Electrochemical Instruments
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Showing 1591–1620 of 1643 results
| Brand | Yoke |
|---|---|
| Model | M902 |
| Type | Benchtop Conductivity Meter |
| Measurement Range | 0.000 µS/cm to 2000 mS/cm |
| Resolution | 0.001 / 0.01 / 0.1 / 1 µS/cm |
| Display | 7-inch color capacitive touchscreen |
| Temperature Compensation | Automatic/manual with integrated high-stability temperature electrode |
| Calibration | Auto-identification of standard solutions |
| Data Compliance | GLP-compliant audit trail, method storage, and electronic signature support |
| Enclosure Rating | IP54 |
| Connectivity | USB host (for printer/U-disk), RS232, optional Ethernet |
| Sample Handling | Compatible with magnetic stirrer integration |
| Regulatory Alignment | Designed for ASTM D1125, ISO 7888, USP <645>, and FDA 21 CFR Part 11-ready data integrity workflows |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Regional Category | Domestic (China) |
| Model | P10 |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH) |
| Measurement Accuracy | ±0.02 pH |
| pH Range | -2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Calibration Standards | US/EU Series, NIST Series, and Chinese Standard Buffer Series |
| Display | 7-inch capacitive touchscreen (1024 × 600) |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| mV Range | -1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | 0–100 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Compensation | Manual/Automatic (0–100 °C) |
| Calibration Points | 1–3-point |
| Data Storage | 2000 sets |
| Connectivity | USB 2.0, Bluetooth (optional) |
| IP Rating | IP54 |
| Power Supply | 12 V DC (110–220 V AC, 50–60 Hz adapter) |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Measurement Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 pH |
| pH Accuracy | ±0.002 pH |
| Temperature Compensation | Automatic or Manual (0–100 °C) |
| Calibration | Auto 3-Point with Buffer Recognition (US/EU, NIST, and Chinese Standard Series) |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| mV Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Resolution | 0.1 °C |
| Data Storage | 2000 Sets |
| Connectivity | USB 2.0, Optional Bluetooth Module |
| Display | 7-inch Capacitive Touchscreen (1024 × 600) |
| Enclosure Rating | IP54 |
| Power Supply | 12 V DC (110–220 V AC, 50–60 Hz adapter) |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Operating Environment | 5–40 °C, 5–85% RH |
| GLP Compliance | Full Audit Trail, Timestamped Calibration & Measurement Logs |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | P613 |
| Instrument Type | Portable |
| Parameters Measured | pH & Conductivity (also supports ORP, TDS, Salinity, Resistivity, DO) |
| pH Range | -2.00 to 19.99 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic & Manual (0–50 °C) |
| Calibration Standards | USA (DIN), NIST, and CH buffer series (12 auto-recognized pH standards |
| Conductivity Ranges | 0.00–19.99 μS/cm, 20.0–199.9 μS/cm, 200–1999 μS/cm, 2.00–19.99 mS/cm, 20.0–199.9 mS/cm |
| Conductivity Accuracy | ±1.0% FS (±1.5% FS in extended range) |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| ORP Range | −1999 to +1999 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.01% FS |
| Memory Capacity | 1000 data sets |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions | 360 × 270 × 76 mm |
| Weight | 1.6 kg |
| IP Rating | IP57 |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop (Portable Design) |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | –2.00 to 20.00 pH |
| Calibration Standards Supported | US/EU Series, NIST Series, and Chinese National Standard Buffer Series |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| pH Measurement Range | -2.00 to 20.00 pH |
| pH Resolution | 0.1 / 0.01 / 0.001 pH (model-dependent) |
| pH Accuracy | ±0.02 pH (P801), ±0.01 pH (P811/P813) |
| pH Stability | ±0.002 pH/3 h |
| Input Impedance | ≥1×10¹² Ω |
| Input Current | ≤1×10⁻¹² A |
| mV Range | -1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Range | -10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C (5–60 °C), ±0.8 °C (other ranges) |
| Calibration Buffers Supported | NIST, DIN (EU), Chinese GB, and Custom Buffers (13 auto-recognized) |
| Data Storage Capacity | 2000 measurement sets |
| Interface | USB port for data export and PC connectivity |
| Power Supply | 9 V DC / 2 A adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Compliance | GLP-compliant data logging with timestamp, audit trail, and calibration history |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Temperature Compensation | Automatic (0.0–60.0 °C) |
| Calibration Options | NIST, USA/EU, and Chinese Standard Buffer Series |
| Display | 6.5-inch LED |
| Data Storage Capacity | 2000 sets |
| Connectivity | USB 2.0, Bluetooth 4.0, RS-232 |
| Input Impedance | ≥1×10¹² Ω |
| Input Current | ≤2×10⁻¹² A |
| mV Range | −1200.00 to +1999.00 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| IP Rating | IP54 |
| Power Supply | 9 V DC / 2 A adapter (110–220 V AC, 50–60 Hz) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Calibration Buffers Supported | US/EU Series, NIST Series, and Chinese Standard Buffer Series |
| Temperature Compensation | Automatic (0–100 °C) |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Data Storage Capacity | 2000 datasets |
| Interface Options | USB 2.0, Bluetooth (optional) |
| Display | 6.5-inch LED screen |
| IP Rating | IP54 |
| Power Supply | 9 V DC / 2 A adapter (110–220 V AC, 50–60 Hz) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Operating Environment | 5–40 °C, 5–85% RH |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | Yoke Instrument Co., Ltd. |
| Model | P902 |
| Detection Parameter | Single-parameter (Conductivity/TDS/Resistivity/Salinity/Temperature) |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | (0–200) mS/cm (5 auto-ranging segments) |
| TDS Range | (0–100) g/L |
| Resistivity Range | (0–100) MΩ·cm |
| Salinity Range | (0–100) ppt |
| Temperature Range | (0–100) °C |
| Conductivity Accuracy | ±1.0% FS (meter), ±1.5% FS (with electrode) |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Conductivity Resolution | 0.01 / 0.1 / 1 µS/cm |
| Data Storage | 2000 sets |
| Connectivity | Micro-USB port, optional Bluetooth 5.0 module |
| IP Rating | IP54 |
| Power Supply | 12 V DC (110–220 V AC, 50–60 Hz adapter) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Model | P911 |
| Type | Benchtop pH Meter |
| Parameter Type | Single-parameter (pH/mV/Temperature) |
| pH Range | -2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 pH |
| pH Accuracy | ±0.002 pH |
| mV Range | -1999.9 to 1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Range | 0 to 100 °C |
| Temperature Resolution | 0.1 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Calibration | 1–3 point, auto-buffer recognition (US/EU, NIST, and Chinese standard buffer series) |
| Data Storage | 2000 sets |
| Connectivity | USB 2.0 port, optional Bluetooth module for wireless printing and data transmission |
| GLP Compliance | Yes |
| IP Rating | IP54 |
| Power Supply | 9 V DC, 2 A (110–220 V AC, 50–60 Hz adapter) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Conductivity Meter |
| Model | P912 |
| Measurement Parameters | Single-parameter (Conductivity/TDS/Resistivity/Salinity/Temp) |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0–2000 mS/cm (6 auto-ranging segments) |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | 0–100 °C |
| Accuracy | ±0.5% FS (instrument), ±0.8% FS (with electrode) |
| Resolution | 0.01 / 0.1 / 1 µS/cm |
| Temperature Resolution | 0.1 °C |
| Temp Accuracy | ±0.5 °C |
| Data Storage | 2000 sets |
| Connectivity | USB-A port, micro-USB service port, optional Bluetooth 4.2 module |
| Enclosure Rating | IP54 |
| Power Supply | 12 V DC, 1 A (universal 110–220 V AC, 50/60 Hz adapter) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Model | PHB-8 |
| Type | Pen-Style pH Meter |
| Measurement Range | 0–14 pH |
| Accuracy | ±0.1 pH |
| Electrode | E-300 Combination pH Electrode |
| Power Supply | Three CR2032 Lithium Coin Cells (3 V × 3) |
| Battery Life | >1500 hours (typical continuous operation) |
| Origin | Shanghai, China |
| Manufacturer | Yoke Instrument Co., Ltd. |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| Measurement Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Temperature Compensation | Manual (0–60 °C) |
| Display | 3½-digit LED |
| Input Impedance | ≥1×10¹² Ω |
| Stability | ±0.1 pH / 3 h |
| Calibration | One-point or two-point using standard buffer solutions (Chinese national buffer series) |
| Included Accessories | E-201-C combination pH electrode, two sets of pH calibration buffer powders |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| pH Range | 0.00–14.00 pH |
| Extended pH Range | –2.00–18.00 pH |
| mV Range | –1999–+1999 mV |
| Temperature Range | 0.0–99.9 °C |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Accuracy | ±0.01 pH ±1 digit / ±1 mV ±1 digit / ±0.3 °C ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation | Manual (0–60 °C) or Automatic (0–100 °C) |
| Calibration Options | One-point or Two-point |
| Compatible Buffers | NIST-traceable and Chinese Standard pH buffer series |
| Display | Dual-line LCD with blue backlight |
| Electrode Compatibility | E-201-C pH composite electrode |
| Dimensions | 300 × 220 × 90 mm |
| Weight | 1.5 kg |
| Included Accessories | 1 × E-201-C electrode, 2 sets of pH standard buffer powders, 1 × T-818-B-6 temperature probe |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZD-2A |
| Instrument Type | General-Purpose Potentiometric Titrator |
| Application Scope | Universal |
| pH Range | −2.00 to 20.00 pH |
| mV Range | −1999 to +1999 mV |
| Temperature Measurement Range | −5.0 to 105.0 °C |
| pH/mV Accuracy | ±0.03 pH / ±5 mV |
| Temperature Accuracy | ±0.3 °C |
| pH/mV Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Input Impedance | ≥1 × 10¹¹ Ω |
| Input Current | ≤6 × 10⁻¹² A |
| Stability | (±0.3 mV ±1 digit)/3 h |
| Endpoint Sensitivity | ±0.1 pH or ±5 mV |
| Relative pH Precision | ±0.03 pH |
| Titration Repeatability | 0.2% |
| Data Storage Capacity | 2000 records |
| Storage Content | Sample Name, Endpoint Value, Concentration, Date & Time |
| Operating Environment | 5–40 °C, ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZD-3A |
| Instrument Category | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| pH Range | −2.00 to 20.00 pH |
| mV Range | −1999 to +1999 mV |
| Temperature Measurement Range | −5.0 to 105.0 °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.03 pH |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.3 °C |
| Input Current | ≤2 × 10⁻¹² A |
| Input Impedance | ≥3 × 10¹² Ω |
| Stability (Electronic Unit) | (±0.3 mV ±1 digit)/3 h |
| Endpoint Setting Range | −2.00–20.00 pH or −1999–+1999 mV |
| Titration Control Sensitivity | ±0.1 pH or ±5 mV |
| Repeatability (Volumetric Analysis) | 0.2% |
| Data Storage Capacity | 2000 records |
| Storage Content | Sample name, endpoint value, concentration, date & time |
| Operating Environment | 5–40 °C, ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI EC300 |
| Pricing | Available Upon Request |
| Temperature Range | –10°C to +90°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±0.2°C or ±0.4% of full scale, whichever is greater |
| Conductivity Ranges | 0–499.9 µS/cm, 500–4999 µS/cm, 5.00–49.99 mS/cm, 50.0–200.0 mS/cm |
| Conductivity Resolution | 0.1 µS/cm / 1 µS/cm / 0.01 mS/cm / 0.1 mS/cm |
| Conductivity Accuracy | ±1% reading + 2 µS/cm / ±1% + 5 µS/cm / ±1% + 0.05 mS/cm / ±2.5% + 0.5 mS/cm (per range) |
| Salinity Range | 0.0–70.0 ppt |
| Salinity Resolution | 0.1 ppt |
| Salinity Accuracy | ±0.2% of full scale |
| TDS Calculation | User-adjustable conversion factor (0.30–1.00), default 0.65 |
| Reference Temperature | 15.0–25.0°C (default 25°C) |
| Temperature Coefficient | 0.0–4.0% (default 1.91%) |
| Cell Constant | 4.50–5.50 cm⁻¹ (default 5.00 cm⁻¹) |
| Operating Environment | 0–50°C, ≤95% RH |
| IP Rating | IP65 (instrument body) |
| Power | One 9 V alkaline battery (typical life: 150 hours) |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 430 g (with battery) |
| Warranty | 1 year on instrument, probe, and cable |
| Brand | YSI |
|---|---|
| Model | EC300 |
| Origin | USA |
| Instrument Type | Portable Electrochemical Conductivity Meter |
| Measurement Parameters | Conductivity (0–200.0 mS/cm), Salinity (0.0–70.0 ppt), TDS (user-defined conversion factor 0.30–1.00), Temperature (−10 to +90 °C) |
| Accuracy | Conductivity ±1% ±2 µS/cm (low range) to ±2.5% ±0.5 mS/cm (high range) |
| Resolution | Temp 0.1 °C |
| Electrode | Four-electrode stainless steel probe with stress-relieved cable interface |
| Cable Options | 4 m or 10 m |
| Compliance | Designed for field-deployable environmental monitoring per ASTM D1125, ISO 7888, and US EPA Method 120.1 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EC300A |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Conductivity Range | 0–200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–70 ppt |
| Temperature Range | −10°C to +90°C |
| Conductivity Accuracy | ±1% FS (full-scale) or ±1% reading + offset per range |
| Temperature Accuracy | ±0.2°C or ±0.4% of range (whichever is greater) |
| Conductivity Resolution | 0.01 μS/cm (lowest range), 0.1 mS/cm (highest range) |
| Temperature Resolution | 0.1°C |
| Probe Type | Stable 4-electrode conductivity cell |
| Waterproof Rating | IP65 (instrument body) |
| Power Supply | One 9V alkaline battery (≈150 h typical life) |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 430 g (with battery) |
| Warranty | 1 year limited warranty on instrument, probe, and cable |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | YSI 30 |
| Type | Handheld, Battery-Powered, Waterproof Conductivity/Salinity/Temperature Meter |
| Electrode | Four-Pure-Nickel Electrode (Platinum-Black-Free) |
| Calibration | Factory-Calibrated (No Field Calibration Required) |
| Temperature Compensation | Automatic, Adjustable Reference Temperature (e.g., 25°C) and Temperature Coefficient (β) |
| Display | Large Backlit LCD |
| Enclosure Rating | IP67 Submersible |
| Battery Life | Up to 100 hours (Alkaline AA batteries) |
| Cable Options | 3 m, 7.5 m, 15 m |
| Data Logging | None (YSI 30) |
| Compliance | Designed for field-deployable environmental monitoring per ASTM D1125, ISO 7888, and US EPA Method 120.1 |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | pH10 |
| Type | Pen-Style pH Meter |
| IP Rating | IP67 |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.02 ±1 LSD |
| Temperature Range | 0.0–99.9 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Auto-Temperature Compensation | Yes (0.0–99.9 °C) |
| Buffer Recognition | USA (4.01, 7.00, 10.01) & NIST (4.01, 6.86, 9.18) |
| Calibration Points | 1-, 2-, or 3-point |
| Memory Capacity | 50 non-volatile data sets with timestamp (pH, temperature, date, time) |
| Power Source | 4 × LR44 alkaline button cells |
| Battery Life | ~35 hours |
| Dimensions | 4.5 cm (display width) × 19 cm (length) × 2 cm (thickness) |
| Weight | 105 g |
| Warranty | 1 year instrument / 6 months electrode |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI pH10 |
| Price | Upon Request |
| Measurement Range (pH) | 0.00–14.00 |
| Measurement Range (Temperature) | 0.0–99.9 °C |
| pH Resolution | 0.01 |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.02 ±1 digit |
| Temperature Accuracy | ±0.3 °C |
| Operating Environment | 0.0–50.0 °C |
| IP Rating | IP67 |
| Temperature Compensation | Automatic, 0.0–99.9 °C |
| Buffer Recognition | USA (4.01, 7.00, 10.01) and NIST (4.01, 6.86, 9.18) standards |
| Calibration Temperature Range | 0.0–60.0 °C |
| Memory Capacity | Non-volatile storage for 50 data sets (pH, temperature, date, time) |
| Power Supply | 4 × LR44 alkaline button cells |
| Battery Life | Approx. 35 hours |
| Dimensions | 4.5 cm (width) × 19 cm (length) × 2 cm (thickness) |
| Weight | 105 g |
| Warranty | 1 year (instrument), 6 months (electrode) |
| Electrode Replacement | Tool-free, user-serviceable |
| GLP Compliance | Calibration history logging with timestamp |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | pH100 |
| Temperature Range | –10°C to +120°C (Resolution: 0.1°C, Accuracy: ±0.5°C) |
| pH Range | –2.00 to 16.00 (Resolution: 0.01, Accuracy: ±0.1% ±2 LSD) |
| ORP Range | –1999 to +1250 mV (Resolution: 1 mV, Accuracy: ±0.1% ±1 LSD) |
| Temperature Compensation | Automatic or Manual (–10°C to +120°C) |
| Calibration Temperature Range | 0°C to +60°C |
| IP Rating | IP65 (main unit) |
| Power | 9 V alkaline battery |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 350 g (with battery) |
| Operating Environment | 0°C to +50°C, ≤95% RH |
| Data Storage | Auto-save calibration and measurement history |
| Audio Feedback | Keypress tone enabled |
| Warranty | 1 year (instrument, probe, and cable) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | YSI pH100 |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Pro30 |
| Pricing | Available Upon Request |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| Measuring Range | pH 0–14 |
| Accuracy | ±0.1 pH |
| Temperature Compensation | 0–99.9 °C (25 °C reference, automatic) |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Power Supply | 24 VDC (wide-input tolerant) |
| Protection Rating | IP65 |
| Response Time | <30 s |
| Stability | ±0.02 pH/24 h |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| pH Range | 0–14 |
| ORP Range | −2000 to +2000 mV |
| pH Accuracy | ±0.02 |
| ORP Accuracy | ±5 mV |
| Temperature Compensation | 0–99.9 °C (reference 25 °C |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Power Supply | 24 VDC (wide-range, solar-compatible) |
| Media Compatibility | Aqueous solutions, weakly corrosive liquids (pH 2–12), suspensions |
| Drift Stability | ±0.02 pH/24 h |
| Enclosure Rating | IP65 |
| Response Time | <30 s |
| ADC Resolution | 24-bit |
| Calibration Modes | Manual & Automatic (single-/two-point) |
| Data Logging | 30-day local history storage |
| Electrode Options | Glass, antimony, or refillable gel-filled pH electrodes |
| Brand | YST (Dalian Yist) |
|---|---|
| Model | YST109B-HP880 |
| Measurement Range | pH 0.00–14.00 |
| Accuracy | ±0.1 pH |
| Resolution | 0.01 pH |
| Temperature Compensation | 0–60 °C (Automatic) |
| Power Supply | DC 12 V |
| Power Consumption | ≤1 W |
| Protection Rating | IP65 |
| Operating Temperature | −10 °C to 50 °C |
| Communication Protocol | RS485 Modbus-RTU |
| Brand | YST (Dalian Yist Instruments) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measurement Range | -1999 to +1999 mV |
| Accuracy | ±2 mV @ 25 °C |
| Response Time | ≤10 s (to 90% of final value) |
| Temperature Compensation | Automatic, 0–100 °C |
| Output Signals | Isolated 4–20 mA + RS485 digital interface |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Operating Ambient | 0–60 °C, ≤90% RH (non-condensing, away from strong magnetic fields) |
| Power Supply | 220 V ±10%, 50 Hz |
| Installation Type | Submersible (tank/pipeline) |
| Brand | YSTorp (Dalian Yistorp) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measuring Range | ORP –1999 to +1999 mV (0.1 mV resolution) |
| Accuracy | ±1 mV (ORP), ±0.5 °C (Temperature, 0–60.0 °C) |
| Automatic Temperature Compensation (ATC) | 0.0–120.0 °C (reference 25 °C) |
| Output | 4–20 mA isolated analog output |
| Power Supply | AC 220 V ±10 %, 50 Hz ±1 Hz |
| Enclosure Rating | IP65 |
| Dimensions | 96 × 96 × 110 mm (panel cutout: 92 × 92 mm) |
| Installation Options | Flow-through, submersible, flanged, pipe-mounted, sidewall-mounted |
| Operating Environment | 0–60 °C ambient, RH <85 % non-condensing |