Chemical Analysis Instruments
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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | PHBJ-261L |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Measurement Accuracy | ±0.002 pH |
| pH Range | −2.000 to 20.000 pH |
| 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 |
| Temperature Accuracy | ±0.1 °C |
| Calibration Standards Supported | GB, DIN, NIST, USA, MERCK, JIS |
| IP Rating | IP65 |
| Battery | Rechargeable Li-ion |
| Dimensions (L×W×H) | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| 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 pH Meter |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.05 pH |
| Calibration | Manual 2-point with auto-recognition of three standard pH buffers (Chinese national buffer set) |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Input Impedance | ≥3×10¹¹ Ω |
| Stability | ±0.05 pH ±1 digit / 3 h |
| Display | LCD, dual-parameter (pH/mV) |
| Power Supply | DC 6 V, 300 mA |
| Dimensions (W×D×H) | 220 × 160 × 65 mm |
| Weight | 1.0 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | PHS-25 |
| Price Range | USD 70–140 |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH and mV) |
| pH Accuracy | ±0.05 pH |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| mV Range | −1400 to +1400 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1% FS |
| Temperature Compensation | Manual |
| Calibration Buffers | GB Standard Solutions at pH 4.00, 6.86, and 9.18 |
| Calibration Points | 1–2 point |
| Display | LCD with stability indicator |
| Enclosure 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 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-25 |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH and mV) |
| pH Measurement Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH |
| mV Range | −1400 to +1400 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1% FS |
| Temperature Compensation | Manual |
| Calibration Solutions | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Calibration Points | 1–2 point |
| Display | LCD with Stability Indicator |
| Protection Rating | IP54 |
| Power Supply | AC/DC Adapter (Input: 100–240 VAC |
| Output | 20 VDC / 1500 mA) |
| Dimensions | 200 × 160 × 63 mm |
| Weight | 0.6 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual (pH/mV) |
| pH Measurement Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | −1400 to +1400 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Input Impedance | ≥1×10¹² Ω |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Calibration Options | 1–2 point |
| Display | 6-inch HD LCD |
| IP Rating | IP54 |
| Dimensions | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Power Supply | AC 100–240 V adapter |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | PHS-2F |
| Price Range | USD 140–280 |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH + mV) |
| pH Accuracy | ±0.01 pH |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 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 | High-contrast LCD with stability indicator |
| Enclosure Rating | IP54 |
| Power Supply | AC/DC adapter (Input: 100–240 VAC, Output: 20 VDC / 1500 mA) |
| Dimensions (L×W×H) | 200 × 160 × 63 mm |
| Weight | 0.6 kg |
| 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 |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Basic Error | ±0.01 pH ±1 digit |
| Input Impedance | ≥1×10¹² Ω |
| Stability | (±0.01 pH ±1 digit)/3 h |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Display | LCD |
| Calibration | Up to 2-point, auto-recognition of 3 standard buffer solutions (Chinese national standard buffers) |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz |
| Dimensions (W×D×H) | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Mode | Multi-parameter |
| pH Range | –2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point manual calibration |
| Buffer Recognition | Automatic identification of GB standard buffers (pH 4.00, 6.86, 9.18) |
| Temperature Compensation | Manual |
| Data Storage | 50 measurement sets |
| Display | High-definition LCD |
| Protection Rating | IP54 |
| Included Accessories | Composite pH electrode, electrode stand, dust cover, and powdered buffer kits |
| Power Management | Auto-off, power-loss data retention, factory reset |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Type | Dual-parameter (pH/mV) |
| pH Accuracy | ±0.01 pH |
| pH Range | –2.00 to 18.00 pH |
| Resolution | 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 | 50 measurement sets |
| Display | LCD with backlight |
| Protection Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 20 V / 1500 mA output |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| 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 |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH/mV) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation Range | 0–60 °C |
| Sample Temperature Range | 5–60 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Calibration Standard | NIST-traceable buffer solutions |
| Display | Large segment LCD with automatic polarity indication for mV |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| Measurement Accuracy | ±0.01 pH ±1 digit |
| Measurement Range | pH: 0.00–14.00 |
| mV | −1999–+1999 |
| Resolution | 0.01 pH |
| Input Impedance | 1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation Range | 0–60 °C |
| Display | 3½-digit LED |
| Calibration Options | One-point or two-point calibration |
| Compliance | Meets Chinese National Standard GB/T 24375–2009 for laboratory pH meters |
| Power Supply | AC 220 V ± 22 V, 50 Hz ± 1 Hz |
| Dimensions | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual (pH/mV) |
| Measurement Range | pH (0.00–14.00), mV (−1999 to +1999) |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation | Manual (0.0–60.0 °C) |
| Display | Segment LCD |
| Calibration | Auto-buffer recognition, 2-point calibration |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions & Weight | 300 × 220 × 90 mm, 1 kg |
| Compliance | Meets JJG 919–2008 (Chinese National Verification Regulation for pH Meters) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV) |
| pH Measurement Range | 0.00–14.00 pH |
| mV Range | ±1800 mV |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH ±1 digit / ±1 mV ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Temperature Compensation Range | 0–60 °C |
| Sample Temperature Range | 5–60 °C |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Display | 3½-digit LED |
| Calibration Modes | One-point or two-point |
| Electrode Compatibility | E-201-C combination pH electrode |
| Compliance | Meets GB/T 11165–2022 (Chinese national standard for laboratory pH meters), aligned with ISO 7888 and ASTM D1293 principles |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Types | pH and mV |
| Measurement Accuracy | ±0.1 pH |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| mV Range | −1999–+1999 mV |
| mV Resolution | 1 mV |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ≤0.01 pH per 3 h |
| Temperature Compensation Range | 0–60 °C |
| Sample Temperature Range | 5–60 °C |
| Calibration Options | One-point or two-point (using NIST-traceable buffer solutions) |
| Electrode Compatibility | E-201-C pH combination electrode |
| Display | 3½-digit LED |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3C |
| pH Measurement Range | -2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| mV Range | -1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Compliance | Meets GB/T 11165–2022 (Chinese national standard for laboratory pH meters) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | PHS-3E |
| Price Range | USD 280–420 |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| pH Accuracy | ±0.01 pH |
| pH Measurement Range | −2.00 to +18.00 pH |
| pH Resolution | 0.01 pH |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | −5.0 to 110.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Standards | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Calibration Points | 1–3-point automatic buffer recognition |
| Data Storage | 50 measurement sets |
| Protection Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 20 V / 1500 mA output |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Mode | pH / mV / Temperature |
| pH 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 Range | (-5.0 to 110.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Points | 1–3 point automatic buffer recognition (GB standard: pH 4.00, 6.86, 9.18) |
| Temperature Compensation | Automatic or manual |
| Measurement Modes | Stable-endpoint detection, continuous monitoring, equilibrium mode |
| Data Storage | 50 measurement sets |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 20 V / 1500 mA output |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Model | PHS-3E |
| Instrument Class | 0.01 |
| pH Range | (-2.00 to 18.00) pH |
| mV Range | ±1999 mV |
| Temperature Range | (0.0 to 99.9) °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.01 pH ±1 digit |
| mV Accuracy | ±1 mV ±1 digit |
| Temperature Accuracy | ±0.3 °C ±1 digit |
| Input Impedance | 1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temp. Compensation Range | (0.0 to 99.9) °C |
| Sample Temp. Limit | (0 to 60) °C |
| Electrode Compatibility | E-201-C pH combination electrode, T-818-B-6 temperature sensor |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3E |
| Instrument Type | Portable |
| Measurement Parameters | pH, mV (ORP), Temperature |
| pH Accuracy | ±0.01 pH ±1 digit |
| pH Range | −2.00 to 18.00 pH |
| mV Range | −1999 to +1999 mV |
| Temperature Range | 0.0 to 99.9 °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Temperature Resolution | 0.1 °C |
| Temperature Compensation | Automatic or Manual (0.0–99.9 °C) |
| Calibration | Two-point calibration with auto-recognition of standard buffers (pH 4.00, 6.86, 9.18) |
| Display | LCD segment display |
| Power Supply | AC 220 V ±10 %, 50 Hz |
| Dimensions (W×D×H) | 300 × 220 × 90 mm |
| Weight | 1.3 kg |
| Electrode Compatibility | E-201-C combination pH electrode |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | PHS-3G |
| Price Range | USD 420 – 690 |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH and mV) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | −2.00 to 19.99 pH |
| mV Range | −1999 to +1999 mV |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Accuracy | ±0.01 pH, ±0.1% FS (mV) |
| Calibration Buffers | pH 4.00, 6.86, and 9.18 standard solutions |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Dimensions (W×D×H) | 210 × 310 × 95 mm |
| Weight | 2 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Parameters | pH and mV (ORP) |
| pH Accuracy | ±0.01 pH |
| pH Range | −2.00 to 19.99 pH |
| mV Range | −1999 to +1999 mV |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Basic Error | ±0.01 pH, ±0.1% FS (mV) |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Calibration Buffers | pH 4.00, 6.86, and 9.18 |
| Display | Backlit LCD |
| Built-in Stirrer | Yes |
| Dimensions (W×D×H) | 210 × 310 × 95 mm |
| Weight | 2 kg |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV) |
| Measurement Range | -2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation | Manual (0.0–60.0 °C) |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Display | Segment LCD |
| Buffer Recognition | Auto-identification of 3 standard pH buffers (China-specific) |
| Calibration | 1–2 point calibration |
| Built-in Magnetic Stirrer | Yes |
| Power Supply | AC 220 V ±10 %, 50 Hz |
| Dimensions (W × D × H) | 210 × 320 × 90 mm |
| Weight | 2.0 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| Measurement Range | (−2.00 to 20.00) pH |
| Resolution | 0.01 pH (selectable to 0.1 pH) |
| Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic and Manual |
| Calibration Points | 1–5-point pH calibration |
| Buffer Recognition | Auto-identification of GB, DIN, and NIST standard buffer sets |
| Data Storage Capacity | 500 measurement records |
| Compliance | GLP-compliant data management |
| Connectivity | RS-232 (for serial printers), USB (for PC communication) |
| Protection Rating | IP54 |
| Standard Accessories | Tri-combination pH electrode, electrode stand, dust cover, calibration buffer solutions |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | PHSJ-3F |
| Price Range | USD 420–690 |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | (−2.00 to 20.00) 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 / (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 |
| IP Rating | IP54 |
| Data Storage Capacity | 500 datasets |
| Interface | RS-232, USB |
| 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 |
| 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 | PHSJ-3F |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/T) |
| Measurement Range | –2.000 to 20.000 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation | Automatic or Manual (–5.0 to 135.0 °C) |
| Buffer Recognition | Auto-detection of 5 standard Chinese calibration buffers |
| Calibration Points | Up to 3-point pH calibration |
| Isoelectric Point Options | 3 selectable (for ultrapure water, boiler water, and low-ionic-strength samples) |
| Data Storage | 500 GLP-compliant measurement records |
| Interface | USB port with dedicated PC communication software |
| Display | Dot-matrix LCD with simultaneous readout of pH, mV, temperature, electrode slope, isoelectric point, mode, date/time |
| Enclosure Material | Flame-retardant polycarbonate (PC) front panel |
| Power | AC adapter with battery backup (data protection during power loss) |
| Key | Brand: Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Range | -2.00–20.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| mV Range | -2000–2000 mV |
| Temperature Range | -5.0–110.0 °C |
| Temperature Resolution | 0.1 °C |
| Input Impedance | ≥1×10¹² Ω |
| Stability | (±0.01 pH ±1 digit)/3 h |
| Calibration Points | Up to 5-point |
| Buffer Recognition | GB, DIN, NIST |
| Data Storage | 500 sets |
| Interface | RS-232, USB |
| Compliance | GLP-supporting |
| Power Supply | AC 100–240 V input / DC 9 V output |
| Dimensions | 242 × 195 × 68 mm |
| Weight | ~1 kg |