Leici
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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SJG-702 |
| Price | USD 14,000 (FOB Shanghai) |
| Measurement Principles | pH & Conductivity & TDS — Electrode-based |
| Calibration | Built-in Standard Curves + Manual Calibration Support |
| Compliance | CE, RoHS |
| Sensor Types | PH-2-173 (pH), DJS-2-141 (Conductivity), TGF-2-005 (Turbidity), DCS4.2MA2/DCS4MA5 (Free Chlorine), DCP4.0MA2/DCP4.0MA5 (Total Chlorine), DCD4.2MA2/DCD4.2MA5 (Chlorine Dioxide) |
| Display | Color TFT Touchscreen |
| Power Supply | AC 220 V ±10%, 50 Hz (Optional Solar DC Input) |
| Communication | RS-232 / RS-485 Serial Interface, Optional Wireless GPRS/4G Module |
| Operating Environment | 0–40 °C, ≤90% RH |
| Dimensions (W×D×H) | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Auto-cleaning | Integrated Brush + Bubble-removal Cell + Drain Control for Turbidity Sensor |
| Measurement Modes | Continuous, Intermittent Cycle, Timed, and Manual |
| Alarm | Programmable Upper/Lower Limits with Relay Output |
| Data Logging | Internal Storage + Remote Upload to Central SCADA or Cloud Platform |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-705 |
| Price Range | USD 7,000 – 14,000 |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Communication Interfaces | RS-232 OR RS-485 OR Ethernet (user-selectable) |
| Measurement Modes | Continuous & programmable interval logging |
| Data Storage | Internal non-volatile memory supporting >100,000 records |
| Optional | Automated cleaning module for sensors and flow cell |
| Parameters Supported | pH, ORP, Conductivity/TDS, Dissolved Oxygen (DO), Turbidity (NTU), Temperature |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-705 |
| Instrument Type | Online |
| pH Range | 0.00–14.00 (Res: 0.01, Acc: ±0.05 pH ±1 digit) |
| ORP Range | ±1999 mV (Res: 1 mV, Acc: ±10 mV ±1 digit) |
| Conductivity | 0.000 µS/cm–19.9 mS/cm (Res: 0.1/1 µS/cm, 0.01 mS/cm |
| Acc | ±2.0% FS) |
| TDS | 0.000 mg/L–9.9 g/L (Res: 0.1 mg/L, 0.01 g/L) |
| Turbidity | 0.00–500.0 NTU (Res: 0.01 NTU, Acc: ±10%) |
| Dissolved Oxygen | 0.00–20.00 mg/L / 0.0–200.0% sat (Res: 0.01 mg/L, 0.1% |
| Acc | ±0.50 mg/L & ±10% sat) |
| Temperature | −10.0–120.0 °C (Res: 0.1 °C, Acc: ±0.5 °C ±1 digit @ 0–60 °C) |
| Communication | RS-232 / RS-485 / Ethernet (selectable) |
| Power | AC 220 V ±10%, 50 Hz |
| Dimensions | 560 × 400 × 1680 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | SJG-705B |
| Instrument Type | Online Monitor |
| Temperature Range | (−10.0 to 120.0) °C |
| pH Range | (0.00 to 14.00) pH |
| Dissolved Oxygen (DO) | Concentration (0.00–20.00) mg/L |
| Conductivity Ranges | 0.000–0.199 μS/cm |
| Turbidity Range | (0.00–1000.0) NTU |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-750 |
| Pricing | Available Upon Request |
| pH Range | 0–14 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH ±1 digit |
| Conductivity Range | 0–200.0 mS/cm |
| Conductivity Accuracy | ±1.5% FS |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| DO Resolution | 0.01 mg/L |
| DO Electronic Error | ±0.2 mg/L |
| Turbidity Range | 0–1000 NTU |
| Turbidity Resolution | 0.1 NTU |
| Turbidity Linearity Error | ±5% |
| Temperature Range | 0.0–60.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C ±1 digit |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% |
| Dimensions (L×W×H) | 285 × 205 × 97 mm |
| Weight | 3 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-781 |
| Instrument Type | Online Analytical System |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Target Metals | Pb, Cd, Cu (dual- or multi-parameter configuration) |
| Accuracy | ±10% or ±5 µg/L (at concentrations ≤50 µg/L) |
| Resolution | 0.01 µg/L |
| Detection Limit | 1 µg/L |
| Measurement Range | 0–100 µg/L and 100–1000 µg/L per metal (extendable to 10 mg/L) |
| Repeatability | ≤5% RSD |
| Zero Drift | ±5 µg/L/24 h |
| Span Drift | ±5%/24 h |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 400 × 550 × 168 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | SJG-782 |
| Instrument Type | Online Analyzer |
| Detection Principle | Spectrophotometry (DPC Method) |
| Target Analyte | Hexavalent Chromium (Cr(VI)) |
| Accuracy | ±10% |
| Resolution | 0.001 mg/L |
| Measurement Range | 0.00–5.00 mg/L |
| Repeatability | ≤5% |
| Stability | ≤10% / 4 h |
| Zero Drift | ±5% FS / 24 h |
| Span Drift | ±5% FS |
| LOD | 0.01 mg/L |
| MTBF | ≥720 h |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 400 × 550 × 1680 mm |
| Weight | 50 kg |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Calibration Modes | Manual / Cyclic / Timed / Continuous |
| Measurement Modes | Manual / Cyclic / Timed / Continuous |
| Communication Interface | RS-232 or RS-485 (user-selectable) |
| Data Storage | Internal non-volatile memory with timestamped logging |
| Alarm Output | Configurable high/low concentration thresholds |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SJG-791 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor |
| Measured Parameter | Free Residual Chlorine |
| Range | 0.00–20.00 mg/L |
| Accuracy | ±10% (≥0.5 mg/L) or ±0.05 mg/L (<0.5 mg/L) |
| Resolution | 0.01 mg/L (Cl₂), 0.01 pH, 0.1 °C |
| pH Range | 0.00–14.00 pH |
| Temperature Range | 0.0–60.0 °C |
| pH Accuracy | ±0.05 pH |
| Temp Accuracy | ±0.5 °C |
| Electronic Unit Stability | ±1% FS/24 h |
| 90% Response Time | 2 min |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2 kg |
| Output | Dual isolated 4–20 mA DC outputs (configurable for Cl₂ or pH) |
| Data Storage | 2000 measurement records |
| Auto Compensation | pH and temperature compensation for residual chlorine |
| Alarm Function | Configurable high/low limits with hysteresis |
| Power Failure Protection | Yes |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | SJG-791B |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor Method |
| Measured Parameters | Residual Chlorine / Total Chlorine / Chlorine Dioxide / Ozone (selectable single parameter) |
| Measurement Range | 0.005–2.000 mg/L (standard range) |
| Accuracy | ±1% FS (for residual chlorine with DCS4H-M0c electrode) |
| Resolution | 0.001 mg/L |
| Output Signal | Isolated 4–20 mA DC (max. load 600 Ω) |
| Digital Interface | RS-485 |
| Temperature Compensation | Automatic (5–40 °C sample range) |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Installation | Wall-mounted console with flow-through sensor housing |
| Sensor Cable Length | 5 m (standard) |
| Sample Flow Rate | 0.3–0.5 L/min |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | SJG-792 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor |
| Measured Parameters | Residual Chlorine, Total Chlorine |
| Range | 0.00–5.00 mg/L |
| Accuracy | ±5% (for values >1 mg/L) or ±0.05 mg/L (for values ≤1 mg/L) |
| Repeatability | ±0.025 mg/L (≤1 mg/L) |
| Resolution | 0.01 mg/L |
| Detection Limit | ≤0.05 mg/L |
| Display | Dot-matrix LCD |
| Data Storage | Up to 700 records with SD card export |
| Output | Isolated 4–20 mA DC (configurable span), RS-232/RS-485 (Modbus RTU) |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | SR-1 Robotic Autosampler + ZDJ-6 Titration Unit |
| Application Scope | General-purpose potentiometric titration |
| Brand | LeiCi |
|---|---|
| Model | TP-585 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Online Analyzer |
| Measured Parameter | Total Phosphorus (TP) |
| Measurement Range | 0–50 mg/L |
| Accuracy | ±10% of reading (as per actual water sample comparison) |
| Repeatability | ≤±10% |
| Minimum Measurement Cycle | 40 min (adjustable from 5–120 min) |
| Digestion Time | Configurable |
| Sampling Interval | 20–9999 min, with on-the-hour measurement option |
| Calibration Frequency | 1–99 days, user-definable start time |
| Maintenance Interval | ~30 min per month |
| Analog Output | 1 × 4–20 mA (optional 2-channel) |
| Communication Interface | RS232 or RS485 |
| Digital I/O | 1–6 relay outputs (220 VAC / 2 A) |
| Operating Environment | +5 to +28 °C, ≤99% RH (non-condensing) |
| MTBF | ≥720 h |
| Dimensions (W×D×H) | 1430 × 500 × 403 mm |
| Display & Control | Touchscreen interface with local command input |
| Data Retention | Non-volatile memory preserves configuration and logs during power loss |
| Auto-Recovery | Full system reset and residual reagent purge upon power restoration or fault recovery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | TR-901 |
| Instrument Type | Laboratory & Field-Portable ORP Meter |
| Measurement Range | ±2000 mV (ORP), 5.0–60.0 °C (Temperature) |
| Resolution | 1 mV (ORP), 0.1 °C (Temperature) |
| Basic Error | ±1 mV (within −1000 to +1000 mV), ±0.1% FS (outside that range) |
| Calibration | 1-point or 2-point ORP calibration |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 500 measurement sets |
| Protection Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery, compatible with external mobile power banks |
| Display | Color touchscreen with guided navigation interface |
| Sampling Interval | Configurable in minutes |
| Additional Features | Auto-read lock, auto-backlight, auto-power-off, dual-channel ORP input |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | UPW |
| Price Range | USD 700–1,400 |
| Purified Water Grade | ASTM Type I |
| Resistivity | 18.2 MΩ·cm at 25°C |
| Heavy Metals & Soluble Silica | <0.1 ppb |
| Total Organic Carbon (TOC) | <3 ppb |
| Microbial Count | <1 CFU/mL |
| Endotoxin | <0.001 EU/mL |
| Particles (>0.1 µm) | <1 particle/mL |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZB-170 |
| Product Type | Portable |
| Measurement Range | 0.00–20.00 NTU, 20.0–200.0 NTU, 200–1000 NTU (auto-ranging) |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-selected) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±8 % FS |
| Repeatability | ≤1.0 % |
| Zero Drift | ±1.0 % FS / 30 min |
| Stability | ±0.5 % FS / 30 min |
| Light Source | Infrared LED (860 nm), compliant with ISO 7027 and HJ 1075 |
| Calibration Points | Zero + up to three standard points (2, 20, 200 NTU) |
| Display | Monochrome LCD |
| Power Supply | 4 × AA batteries or DC 5 V adapter (AC 200–240 V input) |
| Dimensions | 100 × 220 × 80 mm |
| Weight | ~0.8 kg |
| Protection Rating | IP65 |
| Included Accessories | Standard turbidity bottles, protective carrying case, 400 NTU calibration standard solution |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-172E |
| Type | Portable |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ±6% |
| Light Source | Tungsten Lamp |
| Measurement Principle | Nephelometric (90° scattered light) and Ratio Nephelometric (scattered + transmitted light) |
| Compliance | HJ 1075–2019, USEPA Method 180.1, JJG 880–2006 |
| IP Rating | IP65 |
| Data Storage | 1000 datasets |
| Interface | Micro-USB, RS-232 |
| Power | Rechargeable Li-ion battery with PC/mobile power bank charging capability |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZB-172E |
| Product Type | Portable |
| Measurement Range | (0.00–9.99) NTU, (10.0–99.9) NTU, (100–500) NTU |
| Resolution | 0.01 NTU / 0.1 NTU / 1 NTU |
| Accuracy | ±6% |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS/30 min |
| Stability | ±0.5% FS/30 min |
| Calibration Points | Zero + up to 4 points (2, 20, 200, 500 NTU) |
| Data Storage Capacity | 1000 records |
| Display | 3.5-inch color LCD |
| Ingress Protection | IP65 |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | WZB-175 |
| Price Range | USD 700–1,400 |
| Product Type | Portable |
| Measurement Range | 0–2000 NTU (auto-ranging across four sub-ranges) |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-selected by range) |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Accuracy | ±6% of reading |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Calibration Points | Up to 6 points (2, 20, 200, 500, 1000, 2000 NTU) |
| Data Storage Capacity | 2000 measurements |
| Display | 4.3-inch color TFT LCD touchscreen |
| Protection Rating | IP65 |
| Interface | Micro-USB (PC communication), RS-232 (printer output) |
| Power Supply | Rechargeable Li-ion battery (with AC adapter: Input AC 100–240 V, Output DC 5 V / 2 A) |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | WZB-176E |
| Product Type | Portable |
| Measurement Range | (0.00–9.99) NTU, (10.00–99.9) NTU, (100.0–999) NTU, (1000–2000) NTU |
| Resolution | 0.01 NTU / 0.1 NTU / 1 NTU |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS/30 min |
| Stability | ±0.5% FS/30 min |
| Calibration Points | Up to 6 points (2, 20, 200, 500, 1000, 2000 NTU) |
| Data Storage Capacity | 2000 records |
| Display | 4.3-inch color TFT touchscreen |
| Protection Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZS-180A |
| Price Range | USD 1–720 (FOB) |
| Form Factor | Benchtop / Laboratory |
| Measurement Ranges | (0.00–20.00) NTU, (20.0–200.0) NTU, (200–1000) NTU |
| Resolution | 0.01 NTU (low range), 0.1 NTU (mid range), 1 NTU (high range) |
| Accuracy | ±8% FS |
| Repeatability | ≤1.0% |
| Zero Drift | ±1.0% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Light Source | 860 nm Infrared LED, compliant with ISO 7027 and HJ 1075 |
| Calibration Options | Zero-point correction + up to 3-point calibration (2, 20, 200 NTU) |
| Display | Monochrome LCD |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| IP Rating | IP65 |
| Dimensions (L×W×H) | 330 × 250 × 130 mm |
| Weight | ~2.5 kg |
| Standard Accessories | Certified 400 NTU turbidity standard solution, calibrated turbidity vials |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0.00–500 NTU |
| Resolution | 0.01 NTU (at low range), 0.1 NTU (mid range), 1 NTU (high range) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% FS |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Calibration Points | Up to 5 points (2, 20, 50, 200, 500 NTU) |
| Data Storage Capacity | 1000 records |
| Display | 5.7-inch color LCD |
| Protection Rating | IP54 |
| Power Supply | DC24V adapter (AC100–240V input) |
| Dimensions & Weight | 189 × 282 × 84 mm, ~1.5 kg |
| Compliance | ISO 7027, HJ 1075-2019 |
| Measurement Principles | Nephelometric (90° scatter) and Ratio (scatter + transmission) methods |
| Units Supported | NTU, FNU, EBC |
| Connectivity | RS-232 serial port, USB interface |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | WZS-182E |
| Price | USD 980 (FOB Shanghai) |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-ranging) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% of reading |
| Light Source | Tungsten-halogen lamp |
| Measurement Principle | Nephelometric (90° scatter) and Ratio nephelometric-scatter/transmission |
| Compliance | USEPA Method 180.1, HJ 1075–2019, JJG 880–2006 |
| Display | 5.7-inch color LCD with tactile keypad |
| Protection Rating | IP54 |
| Calibration Standards Included | Long-life turbidity standards at 20, 200, and 500 NTU |
| Data Storage | 1000 measurement records |
| Interface | RS-232 (for thermal printer), USB-B (for PC communication) |
| Software Support | Dedicated Leici turbidity data management software (Windows-compatible) |
| GLP Features | Audit-trail enabled timestamped records, user ID logging, calibration history, factory reset with zero & calibration value recovery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZS-188E |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | (0.000–9.999) NTU, (10.00–99.99) NTU, (100.0–999.9) NTU, (1000–4000) NTU |
| Resolution | 0.001 / 0.01 / 0.1 / 1 NTU |
| Accuracy | ±6% |
| Light Source | Tungsten-Halogen Lamp |
| Compliance | US EPA Method 180.1, HJ 1075–2019 |
| Measurement Principle | Nephelometric (90° scatter) and Scatter-Transmission dual-mode |
| IP Rating | IP54 |
| Display | 7-inch HD color capacitive touchscreen |
| Calibration Options | Single-point or multi-point |
| Units | NTU, FNU, EBC |
| Modes | Standard measurement, averaging mode (for dynamic suspension stabilization), auto-ranging |
| Data Management | Onboard storage, recall, deletion, USB export, RS-232 printer output |
| Software Interface | PC communication via dedicated software (USB) |
| GLP Support | Full audit trail, timestamped records, user ID logging, calibration history retention |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZS-190S |
| Price Range | USD 1,400–2,100 |
| Instrument Type | Benchtop / Laboratory |
| Measurement Range | 0–4000 NTU (tungsten lamp), 0–2000 NTU (860 nm LED) |
| Resolution | 0.001 NTU (lowest range) |
| Accuracy | ±6% FS |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Light Sources | Dual-source — Tungsten lamp (400–600 nm, compliant with US EPA Method 180.1 & HJ 1075-2019), 860 nm LED (compliant with ISO 7027 & HJ 1075-2019) |
| Calibration Points | Up to 8-point (tungsten), up to 7-point (LED) |
| Data Storage Capacity | 2000 turbidity measurements per light source + 2000 verification records + 500 system logs + 4000 operation logs |
| Environmental Operating Conditions | 5–35 °C, ≤85% RH |
| Power Supply | AC 100–240 V input, DC 20 V output |
| Dimensions & Weight | 300 × 200 × 88 mm, ~1.5 kg |
| Protection Rating | IP54 |
| Compliance Standards | JJG 880–2006, HJ 1075–2019, ISO 7027:2016, US EPA Method 180.1 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (PRC) |
| Model | WZT-701 |
| Price Range | USD 1,400 – 2,800 |
| Configuration | Online Continuous Monitoring |
| Measurement Range | 0.00–500.0 NTU |
| Resolution | 0.01 NTU (≤10 NTU), 0.1 NTU (>10 NTU) |
| Accuracy | ±10% FS |
| Repeatability | ≤2% |
| Zero Drift | ±0.5% FS / 30 min, ±1% FS / 24 h |
| Span Drift | ±5% FS / 24 h |
| MTBF | ≥720 hours |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% |
| Dimensions (W×H×D) | 160 × 160 × 110 mm |
| Weight | 5.0 kg |
| Output | Isolated 4–20 mA DC (user-configurable span/zero), RS-232 serial interface |
| Calibration | Single-point or two-point standard calibration |
| Alarm Functions | Programmable high/low limit alerts with latching logic |
| Data Retention | Non-volatile memory for settings and calibration history |
| Environmental Operating Range | 0–40 °C, <90% RH non-condensing |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter (pH, ORP, mV, Temperature) |
| pH Measurement Range | –2.00 to 20.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Calibration | Automatic recognition of GB, DIN, NIST, and other standard pH buffer solutions |
| Data Storage | 500 measurement records with GLP-compliant metadata |
| Environmental Rating | IP65 |
| Connectivity | RS232 printer port, USB interface for PC communication and firmware updates |
| Calibration Options | 1–5 point pH calibration, 1-point ORP calibration |
| Measurement Modes | Continuous, equilibrium-based, and programmable timed (interval or continuous timing) |
| User Management | Configurable user ID and sample ID fields |
| Display | Backlit LCD with graphical curve visualization |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region Category | Domestic (China) |
| Model | YHBJ-262 |
| Price Range | USD 280–700 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| ORP Range | (−2000.0 to +2000.0) mV |
| ORP Resolution | 0.1 mV |
| ORP Accuracy (Electronic Unit) | ±0.1% or ±0.3 mV |
| ORP Repeatability (Electronic Unit) | 1 mV |
| ORP System Accuracy (with electrode) | ±15 mV |
| pH Range | −2.00 to 20.00 |
| pH Resolution | 0.01 |
| pH Accuracy (Electronic Unit) | ±0.01 pH |
| pH Repeatability (Electronic Unit) | 0.005 pH |
| Input Current | ≤1 × 10⁻¹² A |
| Input Impedance | ≥1 × 10¹² Ω |
| pH System Accuracy | ±0.02 pH |
| pH System Repeatability | 0.01 pH |
| Temperature Range | −5.0 to 110.0 °C (23.0 to 230.0 °F) |
| Temp. Resolution | 0.1 °C / 0.1 °F |
| Temp. Accuracy (Electronic Unit) | ±0.2 °C |
| Temp. System Accuracy | ±0.4 °C (0.0–60.0 °C), ±1.0 °C (other ranges) |
| IP Rating | IP65 |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Power | Rechargeable Li-ion battery |
| AC adapter input | 100–240 V AC, output: 5 V DC |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | ZD-2 |
| Pricing | Available Upon Request |
| Display | High-Resolution LCD |
| Measurement Modes | Manual Titration, Automatic Endpoint Titration, Controlled-Drop Titration |
| Measurable Parameters | mV (–1400 to +1400 mV, 1 mV resolution), pH (0.00–14.00, 0.01 pH resolution), Temperature (0–100 °C, 0.1 °C resolution) |
| Electrode Support | pH composite electrode, Ag electrode, reference electrode, temperature sensor |
| Calibration | Up to 2-point manual or automatic pH calibration |
| Compensation | Automatic/manual temperature compensation |
| Interface | RS-232 for printer output |
| Stirring | Integrated JB-11 magnetic stirrer |
| Burette Compatibility | External 10 mL or 25 mL burettes |
| Accuracy | ±0.35% FS for mV (±4.9 mV), ±0.03 pH, ±0.5 °C (0–60 °C), ±2.5% volumetric error, 0.3% repeatability |
| Endpoint Detection Sensitivity | ±5 mV or ±0.1 pH |
| Endpoint Delay Adjustment | Adjustable (±2 s error) |
| Power | AC 100–240 V input, DC 20 V output |
| Dimensions & Weight | 218 × 180 × 66 mm, ~0.7 kg |
| Operating Environment | 0–40 °C, ≤85% RH |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDCL-2 |
| Instrument Category | General-Purpose Potentiometric Titrator |
| Application Specificity | Dedicated for Chloride Ion Analysis |
| Measurement Range | (−1800.0 to +1800.0) mV |
| Meter Accuracy | ±0.20% of full scale |
| Meter Resolution | 0.1 mV |
| Titration Accuracy | (±0.3 mV ±1 digit) over 3 hours |
| Titration Resolution | 1/10,000 |
| Titration Repeatability | ≤0.20% |
| Burette Error | ±0.025 mL (10 mL burette), ±0.035 mL (20 mL burette) |
| Stability | ±0.3 mV / 3 h |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions & Weight | 340 × 400 × 400 mm, ~10 kg |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDJ-3A |
| Instrument Type | General-Purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (−1999 to +1999) mV, (0.00 to 14.00) pH |
| Meter Accuracy | ±0.3% of full scale |
| Meter Resolution | 1 mV, 0.01 pH |
| Titration Stability | ±1 mV / 3 h |
| Burette Resolution | 10 mL burette: 1/20000 |
| 20 mL burette | 1/10000 |
| Burette Accuracy | 10 mL: ±0.05 mL |
| 20 mL | ±0.07 mL |
| Titration Repeatability | 0.3% |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |