Leichi
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| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZB-172 |
| Price Range | USD 0.15–750 (FOB) |
| Product Type | Portable |
| Measurement Range | 0.00–500.0 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±6% FS |
| Light Source | 860 nm Infrared LED |
| Compliance | ISO 7027 & HJ 1075-2019 |
| Protection Rating | IP65 |
| Data Storage | 1000 records |
| Calibration Points | Zero + up to 4 points (2, 20, 200, 500 NTU) |
| Display | 3.5-inch color LCD |
| Power | Rechargeable Li-ion battery (DC5V/2A input via Micro-USB) |
| Dimensions | 90 × 250 × 90 mm |
| Weight | ~0.8 kg |
| Environmental Operating Conditions | 5–40 °C, ≤85% RH |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZS-182E |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | (0.00–9.99) NTU, (10.0–99.9) NTU, (100–500) NTU |
| Resolution | 0.01 / 0.1 / 1 NTU |
| Accuracy | ±6% |
| Light Source | Tungsten-Halogen Lamp |
| Measurement Principle | Nephelometric (90° scattered light) and Ratio (scattered + transmitted light) methods |
| Compliance | EPA Method 180.1, HJ 1075-2019 |
| Display | 5.7-inch high-resolution color LCD |
| Protection Rating | IP54 |
| Calibration Standards Included | Long-life turbidity standards at 20, 200, and 500 NTU |
| Data Management | Internal storage with USB and RS-232 interfaces |
| Regulatory Support | GLP-compliant data traceability, audit trail capability, user-accessible calibration history |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | WZS-186 |
| Price Range | USD 700–1,400 |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | 0.000–2000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% |
| Light Source | Infrared LED |
| Compliance | ISO 7027, HJ 1075-2019 |
| Protection Rating | IP54 |
| Display | 7-inch color TFT touchscreen |
| Measurement Principles | Nephelometric (90° scatter) and Ratio Scatter-Transmission |
| Units | NTU, FNU, EBC |
| Calibration Options | Single-point or multi-point (20/200/500/1000/2000 NTU), zero adjustment, factory reset |
| Data Management | Onboard storage, USB export, RS-232 printer interface |
| Software Interface | PC communication via dedicated software |
| GLP Support | Audit trail, timestamped records, user login (if enabled), data traceability |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | ZD-1A |
| Price Range | USD 700 – 1,400 |
| Burette Capacity | 10 mL |
| Volume Measurement Range | 0.01–99.99 mL |
| Accuracy (Volume Error) | ±0.025 mL |
| Repeatability | ≤0.01 mL |
| Minimum Increment | 0.01 mL |
| Operating Temperature | 5–35 °C |
| Relative Humidity | ≤85% RH |
| Control Unit Dimensions | 170 × 160 × 60 mm |
| Dispensing Unit Dimensions (incl. 1 L reagent bottle) | 200 × 100 × 470 mm |
| Net Weight | ~1.5 kg |
| Power Supply | Rechargeable Li-ion battery |
| AC/DC adapter (Input | 100–240 V AC, Output: 5 V DC) |
| Liquid Handling Modes | Fixed-volume dispensing & Dynamic titration mode |
| Valve Functionality | Bidirectional (titration / reflow) |
| Adjustable Parameters | Rinse cycles (user-defined), refill speed (3 levels), drain speed (3 levels), burette calibration factor storage |
| Display | Backlit LCD with brightness adjustment |
| Power Management | Low-battery indicator, charging status feedback, auto-power-off |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDCL-1 |
| Instrument Category | General-Purpose Potentiometric Titrator |
| Application Scope | 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 h |
| Titration Resolution | 1/10000 |
| Titration Repeatability | 0.20% |
| Burette Error | ±0.025 mL (10 mL burette), ±0.035 mL (20 mL burette) |
| Electronic Unit Basic Error | ±0.05% FS |
| 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 ± 22) V, (50 ± 1) Hz |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDJ-4D |
| Instrument Category | General-Purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: −2000.0 to +2000.0 mV |
| pH | −5.000 to 20.000 |
| Potentiometric Resolution | 0.01 mV |
| Titration Volume Resolution | 1/20000 |