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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop Laboratory Conductivity Meter |
| Measurement Parameter | Single-parameter (Conductivity) |
| Conductivity Range | 0.00 µS/cm to 200 mS/cm |
| Accuracy | ±1.0% FS |
| Minimum Resolution | 0.01 µS/cm (auto-ranging) |
| Temperature Compensation | Manual |
| Calibration | 1-point calibration with auto-recognition of 4 GB-standard conductivity solutions |
| Electrode Constant Support | Automatic frequency switching compatible with K = 1.0 cell |
| Data Storage | 50 measurement sets |
| Display | High-resolution LCD with key-based navigation |
| Enclosure Rating | IP54 |
| Power Supply | AC/DC adapter (Input: 100–240 V AC |
| Output | 20 V DC / 1500 mA) |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-T |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (−2000.00 to +2000.00) mV |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-4 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Range | (0.00–14.00) pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.03 pH |
| Calibration Standards | GB buffer solutions at pH 4.00, 6.86, and 9.18 |
| mV Range | (−1400–1400) mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.2% FS |
| Temperature Compensation | Manual |
| IP Rating | IP65 |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Power | Rechargeable Li-ion battery |
| Key | Brand: Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-4A |
| Instrument Type | General-purpose Potentiometric Titrator |
| pH Range | 0.00–14.00 |
| mV Range | −1800.0–+1800.0 |
| pH Resolution | 0.01 |
| mV Resolution | 0.1 |
| pH Accuracy | ±0.01 |
| mV Accuracy | ±0.03% FS |
| Stability | (±0.3 mV ±1 digit)/3 h |
| Titration Precision | 0.2% (repeatability) |
| 10 mL Burette Error | ±0.025 mL |
| 20 mL Burette Error | ±0.035 mL |
| 10 mL Burette Resolution | 1/20000 |
| 20 mL Burette Resolution | 1/10000 |
| Stirring Control | PWM-based digital speed regulation |
| Temperature Compensation Range | −5.0–105.0 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-351L |
| Portability | Portable |
| Application | Laboratory |
| Conductivity Range | 0.000 µS/cm to 3000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | (0.00–8.00)% |
| Temperature Range | (−10.0–135.0) °C / (14.0–275.0) °F |
| Accuracy | ±0.5% FS (conductivity, resistivity, TDS), ±0.1% FS (salinity), ±0.1 °C (temperature) |
| Minimum Resolution | 0.001 µS/cm (conductivity), 0.01 Ω·cm (resistivity), 0.001 mg/L (TDS), 0.01% (salinity), 0.1 °C/°F (temperature) |
| IP Rating | IP65 |
| Compliance | GLP-compliant data management, supports ASTM D1125, ISO 7888, USP <645>, and IEC 61000-4 EMC standards |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | ZDCL-2 |
| Measurement Range | (−1800.0 to +1800.0) mV |
| Potential Resolution | 0.1 mV |
| Potential Accuracy | ±0.2 mV |
| Stability | (±0.3 mV ±1 digit)/3 h |
| Titration Resolution | 1/10000 (for 10 mL burette) |
| Titration Precision | ≤0.20% RSD |
| Burette Error | ±0.025 mL (10 mL), ±0.035 mL (20 mL) |
| Temperature Compensation Range | (−5.0 to 105.0) °C, Resolution: 0.1 °C, Accuracy: ±0.3 °C |
| Interface | RS232 |
| Data Storage | 200 titration results + 1 full dataset |
| Compliance | GB/T 176–2017, GB/T 8077–2012, GB 50344–2004, JGJ/T 322–2013 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV/Temp) |
| Measurement Accuracy | ±0.002 pH |
| pH Range | −2.000 to 20.000 pH |
| Resolution | 0.001 pH |
| mV Range | −2000.00 to 2000.00 mV |
| mV Resolution | 0.01 mV |
| Temperature Range | −10.0 to 135.0 °C |
| Temperature Resolution | 0.1 °C |
| Calibration Standards Supported | GB, DIN, NIST, USA, MERK |
| IP Rating | IP54 |
| Data Storage Capacity | 500 sets |
| Interface | RS-232, USB |
| Compliance | GLP-compliant data logging |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-3A |
| Instrument Type | General-purpose Potentiometric Titrator |
| 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 | 1/20000 (10 mL burette), 1/10000 (20 mL burette) |
| Burette Delivery Error | ±0.05 mL (10 mL), ±0.07 mL (20 mL) |
| Repeatability | 0.3% RSD |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHBJ-260F |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | −2.00 to 20.00 pH |
| pH Resolution | 0.01 pH |
| mV Range | −2000.0 to 2000.0 mV |
| mV Resolution | 0.1 mV |
| Temperature Range | −5.0 to 110.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Standards Supported | GB, DIN, NIST |
| Protection Rating | IP65 |
| Data Storage Capacity | 1000 datasets |
| Power Supply | Rechargeable Li-ion battery (DC5V input compatible) |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708L (EC-T Conductivity & Temperature Module Kit) |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.000 μS/cm to 3000 mS/cm |
| TDS Range | 0.00 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −10.0–135.0 °C (14.0–275.0 °F) |
| Accuracy | ±0.5 % FS (Conductivity/Resistivity/TDS), ±0.1 % FS (Salinity), ±0.3 °C (0.0–60.0 °C), ±1.0 °C (other ranges) |
| Minimum Resolution | 0.001 μS/cm (conductivity), auto-ranging |
| IP Rating | IP54 |
| Compliance | GLP-compliant data management, supports 21 CFR Part 11 audit trail via optional software configuration |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHBJ-261L |
| Instrument Type | Portable pH Meter |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| pH Measurement Range | −2.000 to 20.000 pH |
| pH Resolution | 0.001 pH |
| pH Accuracy | ±0.002 pH |
| mV Range | −2000.00 to 2000.00 mV |
| mV Resolution | 0.01 mV |
| mV Accuracy | ±0.03% or ±0.1 mV |
| Temperature Range | −10.0 to 135.0 °C (14.0 to 275.0 °F) |
| Temperature Resolution | 0.1 °C/°F |
| Temperature Accuracy | ±0.1 °C |
| Calibration Standards Supported | GB, DIN, NIST, USA, MERCK, JIS |
| Calibration Points | 1–8 for pH |
| IP Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Data Storage Capacity | 1000 datasets per parameter type |
| Connectivity | USB interface, Bluetooth 5.0, QR code scanning support via external scanner |
| Compliance | GLP-compliant data logging with audit trail, timestamp, operator ID, and electrode history tracking |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| pH Measurement Range | (-2.00 to 20.00) pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | (-2000.0 to 2000.0) mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1% or ±0.3 mV |
| Temperature Range | (-5.0 to 110.0) °C / (23.0 to 230.0) °F |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| Temperature Accuracy | ±0.2 °C |
| Calibration Standards Supported | GB, DIN, NIST |
| Calibration Points | 1–5-point pH calibration |
| Data Storage Capacity | 500 datasets |
| Connectivity | RS-232 port (for printer), USB port (for PC data transfer) |
| Protection Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 9 V output |
| Dimensions (L×W×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-4B |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (0.00–14.00) pH |
| Meter Accuracy | ±0.2% of full scale |
| Meter Resolution | 0.01 pH |
| Titration Accuracy | (±0.3 mV ± 1 digit)/3 h |
| Titration Resolution | 10 mL burette: 1/20,000 |
| 20 mL burette | 1/10,000 |
| Burette Volume Error | 10 mL: ±0.025 mL |
| 20 mL | ±0.035 mL |
| Temperature Compensation Range | (−5.0–105.0) °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.3 °C |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDSJ-307F |
| Instrument Class | 1.0 |
| Measurement Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Conductivity Range | 0.000 µS/cm to 1000 mS/cm |
| TDS Range | 0.00 mg/L to 300 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | (0.00–8.00)% |
| Temperature Range | (−5.0–110.0) °C / (23.0–230.0) °F |
| Minimum Conductivity Resolution | 0.001 µS/cm (auto-ranging) |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| Conductivity Accuracy | ±1.0% FS |
| Temperature Accuracy | ±0.2 °C |
| Input Power | AC 100–240 V → DC 9 V |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Protection Rating | IP54 |
| Data Storage | 500 datasets per parameter |
| Interface | RS-232, USB |
| Compliance | GLP-compliant data logging with audit trail support |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (−2000.00 to +2000.00) mV |
| Electrode Unit Accuracy | ±0.002 pH |
| Electrode Unit Resolution | 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Repeatability | ≤0.2% RSD |
| Temperature Compensation Range | −5.0 to 105.0 °C (0.1 °C resolution) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHSJ-5T |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/ORP/Temperature) |
| Measurement Accuracy | ±0.002 pH |
| pH Range | −2.000 to 20.000 pH |
| Resolution | 0.001 pH / 0.01 mV / 0.1 °C |
| Temperature Compensation | Automatic (−10.0 to 135.0 °C) |
| Calibration Standards | NIST, GB, DIN, USA, MERK, JIS (6 pre-programmed sets + custom buffer definition) |
| Data Storage | 1000 measurement records with GLP/GMP-compliant metadata |
| Compliance | GLP, GMP-ready with audit trail, user-level permissions, and electronic signature support |
| Connectivity | RS-232, USB, U-disk interface, optional autosampler integration |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 24 V output |
| Dimensions & Weight | 220 × 195 × 68 mm, 0.95 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-520 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | pH (0.00–14.00) |
| Display Range | pH (−2.00–20.00), mV (0.0 to ±1999.9), Temperature (−5.0–105.0)°C |
| Resolution | 0.01 pH, 0.1 mV, 0.1°C |
| Electronic Unit Accuracy | ≤±0.01 pH ±1 digit, ≤±0.03% FS for mV, ≤±0.3°C for temperature |
| Titration Repeatability | ≤1.0% RSD |
| Power Supply | AC (220±22) V, (50±1) Hz |
| Dimensions (W×D×H) | 600×455×720 mm |
| Weight | 50 kg |
| Interface | RS-232 or RS-455 (user-selectable) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | TR-901 |
| Price | USD 920 (FOB Shanghai) |
| Instrument Type | Laboratory & Field-Portable Soil ORP Meter |
| Measurement Principle | Potentiometric Redox Potential (Eh) Determination via Dual-Electrode Cell |
| Compliance | HJ 746–2015 (Chinese EPA Standard for Soil Oxidation-Reduction Potential Determination by Potentiometry) |
| Protection Rating | IP65 |
| Power Supply | Rechargeable Li-ion Battery (USB-C input compatible with external power banks) |
| Data Storage | 500 measurement records with timestamp, temperature, and electrode status metadata |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Capability | Dual (pH and mV) |
| pH Measurement Range | −2.00 to 18.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Compensation | Manual |
| Calibration Points | 1–3 point pH calibration |
| Buffer Recognition | Automatic identification of GB standard buffers (pH 4.00, 6.86, 9.18) |
| Data Storage Capacity | 50 measurement sets |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V input / DC 20 V, 1500 mA output |
| Dimensions (L×W×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DDB-303A |
| Price | USD 205 (FOB Shanghai) |
| Measurement Parameters | Conductivity only |
| Portability | Handheld |
| Intended Use | Field and Lab |
| Conductivity Range | 0.000 µS/cm to 100 mS/cm |
| Accuracy | ±1.0% FS |
| Minimum Resolution | 0.01 µS/cm (auto-ranging) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-G |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: (−2000.00 to +2000.00) mV |
| pH | (0.000 to 20.000) pH |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Capability | Dual (pH and mV) |
| pH Measurement Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | −1800 to +1800 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Compensation | Manual |
| Calibration Standards | GB Standard Buffers (pH 4.00, 6.86, 9.18) |
| Calibration Points | 1–2 point |
| Display | LCD with Stability Indicator |
| Protection Rating | IP54 |
| Power Supply | AC 100–240 V input / DC 20 V, 1500 mA output |
| Dimensions (L×W×H) | 200 × 160 × 63 mm |
| Weight | 0.6 kg |
| Compliance | GB/T 11165–2022 (Laboratory pH Meters) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDB-301 |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Measurement Parameter | Electrical Conductivity (Single-Parameter) |
| Resolution | 1 pS/m |
| Measurement Range | 0–1999 pS/m |
| Display | LCD |
| Power Supply | Two 476A 6V Alkaline Batteries |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤85% RH |
| Dimensions | 85 × 220 × 50 mm |
| Weight | ~350 g |
| Explosion Protection | Ex ia IIA T5 Ga (Certificate No.: GYB23.2384X) |
| Standard Electrode | DJSY-0.01 Fuel Conductivity Cell |
| Accessories | Silicone Protective Sleeve, Metal Measuring Beaker |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDS-307A |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.00 µS/cm to 200 mS/cm |
| TDS Range | 0.00 mg/L to 100 g/L |
| Temperature Range | −5.0 °C to 110.0 °C |
| Accuracy | ±1.0% FS |
| Minimum Conductivity Resolution | 0.01 µS/cm (auto-ranging) |
| TDS Resolution | 0.01 mg/L (auto-ranging) |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Conductivity Class | Class 1.0 per GB/T 11018 |
| IP Rating | IP54 |
| Data Storage | 50 measurement sets |
| Calibration | Single-point conductivity calibration with auto-recognition of 4 standard GB solutions |
| Temperature Compensation | Automatic and manual modes |
| Electrode Constant Support | Auto-frequency switching for K = 1.0 cell |
| Power Supply | AC/DC adapter (Input: 100–240 VAC, Output: 20 VDC / 1500 mA) |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
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