pH Meter
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| Key | Accuracy Class: 0.02 |
|---|---|
| pH Range | 0.00–14.00 pH |
| mV Range | ±1800 mV (auto-polarity) |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Temperature Compensation | 0.0–60.0 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤1 × 10⁻¹² A |
| Basic Error (pH) | ±0.01 pH (electronic unit), ±0.02 pH ±1 digit (full instrument) |
| Repeatability | ≤0.01 pH ±1 digit |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Dimensions (L×W×H) | 200 × 210 × 70 mm |
| Weight | 1.0 kg |
| Power Supply | AC 220 V |
| Operating Environment | 5–40 °C, RH ≤85%, no strong magnetic fields or vibration |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PHS-3C |
| Price | Upon Request |
| Accuracy Class | 0.01 |
| pH Range | 0.00–14.00 pH |
| mV Range | ±1400 mV |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Temperature Compensation | 0–60 °C |
| Basic Error (pH) | ±0.1 pH |
| Input Impedance | ≥3 × 10¹¹ Ω |
| Input Current | ≤1 × 10⁻¹¹ A |
| Repeatability (pH) | ≤0.05 pH |
| Stability | ±0.05 pH ±1 digit / 3 h |
| Dimensions (L×W×H) | 220 × 160 × 65 mm |
| Weight | 0.3 kg |
| Operating Temp. | 5–50 °C |
| RH Limit | ≤85% |
| Power Supply | DC 6 V |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PHS-3C |
| Pricing | Available Upon Request |
| Accuracy Class | 0.01 |
| pH Range | 0.00–14.00 pH |
| mV Range | ±1400 mV |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Temperature Compensation | 0–60 °C |
| Basic Error (pH) | ±0.1 pH |
| Input Impedance | ≥3 × 10¹¹ Ω |
| Input Current | ≤1 × 10⁻¹¹ A |
| Repeatability (pH) | ≤0.05 pH |
| Stability | ±0.05 pH ±1 digit / 3 h |
| Dimensions (L×W×H) | 220 × 160 × 65 mm |
| Weight | 0.3 kg |
| Power Supply | DC 6 V |
| Operating Environment | 5–50 °C, RH ≤85%, No Strong Vibration or Magnetic Interference |
| Origin | Shandong, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | PHS-3C |
| Price | USD 340 (FOB Shandong) |
| Instrument Type | Benchtop |
| Parameter Channels | Dual (pH + mV) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | 0.00–14.00 pH |
| mV Range | −1999 to +1999 mV |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Temperature Compensation | Manual (0.0–60.0 °C) |
| Calibration Standard Compliance | GB/T 27501 & DIN 19265 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PHS-5 |
| Price Range | USD 280–420 |
| Instrument Type | Benchtop |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH ±1 digit |
| ORP Range | −1999.9 to +1999.9 mV |
| ORP Resolution | 0.1 mV |
| Temperature Range | −20.0 to +100.0 °C |
| Temperature Resolution | 0.1 °C |
| Input Impedance | ≥3 × 10¹² Ω |
| Measurement Update Rate | 0.5 s |
| Auto-Save Calibration & State | Yes |
| Dimensions (W×H×D) | 200 × 128 × 60 mm |
| Weight | <1.0 kg |
| Power Supply | DC 12 V |
| Power Consumption | <0.5 W |
| Operating Environment | 5–45 °C, RH <85% (non-condensing) |
| Brand | PONSEL (France) |
|---|---|
| Origin | France |
| Model | PHEHT |
| Measurement Principle | Composite Glass Electrode (pH), Platinum Redox Electrode (ORP), NTC Thermistor (Temperature) |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.1 |
| ORP Range | −1000 to +1000 mV |
| ORP Resolution | 0.1 mV |
| ORP Accuracy | ±2 mV |
| Temperature Range | 0.00–50.00 °C |
| Temperature Resolution | 0.01 °C |
| Temperature Accuracy | ±0.5 °C |
| Response Time | <5 s |
| IP Rating | IP68 |
| Output Interface | Modbus RTU over RS-485 (standard), SDI-12 (optional) |
| Supply Voltage | 5–12 V DC |
| Standby Current | 25 µA |
| Active Current (1 Hz, RS-485) | 3.9 mA |
| Active Current (1 Hz, SDI-12) | 6.8 mA |
| Pulse Current | 500 mA |
| Dimensions (Ø × L) | 27/21 mm × 207 mm |
| Weight (sensor + 3 m cable) | 350 g |
| Housing Materials | PVC, Delrin®, specialty pH glass, platinum, polyamide |
| Max Pressure Rating | 5 bar |
| Cable | Armored coaxial polyurethane cable, bare leads or Fischer connector |
| Brand | PRIMA (UK) |
|---|---|
| Origin | Taiwan |
| Model | innoLab 10P |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter |
| pH Range | -2.00 to 16.00 |
| ORP Range | -2000 to +2000 mV |
| Temperature Range | -5.0 to 120.0 °C |
| Resolution | 0.01 pH / 0.1 mV (±600.0 mV) / 0.1 °C |
| Accuracy | ±0.01 pH / ±0.2 mV (≤ ±600 mV), ±1 mV (> ±600 mV) / ±0.3 °C |
| Calibration | Up to 5-point auto-calibration with NIST-traceable buffers |
| Temperature Compensation | Automatic or manual |
| Display | 43 × 70 mm LCD |
| Power | 2 × AA batteries |
| IP Rating | IP65 (pH mode), IP67 (conductivity/DO-capable variants) |
| Dimensions | 73 × 152 × 42 mm |
| Weight | 250 g |
| Brand | PRIMA SCI (UK) |
|---|---|
| Origin | Shanghai, China |
| Model | innoLab 10P |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/ORP/Temp) |
| Measurement Range | 0.00–14.00 pH (extended: –2.00 to +16.00 pH), –2000 to +2000 mV, –5.0 to 120.0 °C |
| Resolution | 0.01 pH, 0.1 mV (±600.0 mV), 1 mV (full range), 0.1 °C/0.1 °F |
| Accuracy | ±0.01 pH, ±0.2 mV (±600.0 mV), ±1 mV (full range), ±0.3 °C / ±0.5 °F |
| Calibration | Auto-recognition of 1–3 point NIST-traceable buffer calibration |
| Temperature Compensation | Automatic (ATC) or Manual (MTC), –5.0 to +120.0 °C |
| Electrode Interface | BNC + 3.5 mm temperature probe jack |
| Display | 43 × 70 mm LCD, 120° viewing angle |
| Housing Rating | IP65 |
| Dimensions | 73 × 152 × 42 mm (W × H × D) |
| Weight | 250 g |
| Power | 2 × 1.5 V AA alkaline batteries (>500 h operation) |
| Data Storage | Optional 100-point memory |
| Auto-Off | Selectable (10 min idle timeout) |
| Key Features | Differential signal circuitry, electrode health diagnostics (Slope/Offset), STABLE reading indicator, MTC fallback mode, ergonomic grip, scratch-resistant display |
| Brand | PRIMASCI |
|---|---|
| Model | innoLab 20P |
| Type | Benchtop pH Meter |
| Parameters | Single-parameter (pH, ORP, Temperature) |
| Measurement Range | −2.00 to +16.00 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration | Auto-recognizing 1–3-point calibration with USA-standard buffers |
| Electrode Compatibility | Glass electrode or antimony electrode (HF-resistant mode) |
| Temperature Compensation | Automatic (ATC) or manual (MTC), −5.0 to 120.0 °C |
| Data Storage | 100 measurement records |
| Power | AC 100–240 V adapter + built-in rechargeable Li-ion battery (1300 mAh) |
| Dimensions | 150 × 194 × 56 mm (W × L × H) |
| Weight | 1.0 kg |
| Brand | PUSH |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Model | PS-3003 |
| Measurement Range | pH 3.8–7.0 |
| Minimum Display Resolution | 0.1 pH unit |
| Temperature Control Accuracy | ±2 °C |
| Measurement Accuracy | ≤ ±0.1 pH |
| Operating Environment | 5–45 °C, ≤85% RH, AC 220 V ±10%, 50 Hz ±1 Hz |
| Sample Throughput | 1–3 samples per run |
| Interface | USB for PC connectivity |
| Compliance | Designed per GB/T 7598–2008 (Determination of Water-Soluble Acids in In-Service Transformer Oil) |
| Brand | Sanpu |
|---|---|
| Model | PHS-2000 |
| Type | Portable Pen-Style pH Meter |
| Measurement Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.2 pH |
| Temperature Compensation | Automatic (0–50 °C) |
| Power Supply | 4 × 1.5 V AG-13 button cells |
| Battery Life | ~1000 hours |
| Dimensions | 142 × 29 × 15 mm |
| Weight | 65 g |
| Calibration Buffers | pH 6.86 (phosphate), pH 9.18 (borax) or pH 14.00 (potassium hydrogen phthalate) |
| IP Rating | IP67 (dust-tight and immersion-resistant up to 1 m for 30 min) |
| Compliance | Meets GB/T 11165–2022 (Chinese national standard for laboratory pH meters) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | LabSen873 |
| Instrument Type | Pen-Style Electrode |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 1–13 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Calibration Buffers | pH 4.00, 7.00, 10.00 |
| Temperature Range | 0–80 °C |
| Body Material | Lead-Free Glass |
| Bulb Shape | Cylindrical |
| Reference System | Ag/AgCl |
| Junction Type | Dual-Liquid Junction with Movable Sleeve |
| Internal Reference Electrolyte | 3 M KCl (Gelled) |
| Salt Bridge Solution | 1 M LiCl |
| Soaking Solution | 3 M KCl |
| Dimensions | Φ12 × 130 mm |
| Connector | BNC |
| Cable | Φ3 mm × 1 m |
| Integrated Temperature Sensor | Yes (for Automatic Temperature Compensation) |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | −2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation Range | 0–110 °C (ATC) |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH / 3 h |
| Data Storage Capacity | 600 sets |
| Storage Content | Sample ID, pH value, temperature, ATC/MTC mode, date & time |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Protection Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | MP511 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter |
| pH Measurement Range | −2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy (Meter) | ±0.01 pH |
| Accuracy (System w/ Electrode) | ±0.02 pH |
| Input Current | ≤2×10⁻¹² A |
| Input Impedance | ≥1×10¹² Ω |
| Stability | ±0.01 pH / 3 h |
| Temperature Compensation Range | 0–100 °C (Auto/Manual) |
| mV/ORP Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Measurement Range | −10 to 110 °C |
| Temp Resolution | 0.1 °C |
| Temp Accuracy | ±0.5 °C (5–60 °C), ±1.0 °C (other) |
| Data Storage | 600 sets (ID, pH/mV, temp, ATC/MTC status, date, time) |
| Power Supply | DC 9 V / 300 mA |
| Interface | RS232 |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Certifications | ISO 9001:2015, CE, CMC |
| Operating Environment | 5–40 °C, ≤85% RH |
| IP Rating | IP54 |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | MP512 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/°C) |
| pH Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 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 | −10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C |
| Input Impedance | ≥3 × 10¹² Ω |
| Input Current | ≤1 × 10⁻¹² A |
| Stability | ±0.002 pH / 3 h |
| ATC Range | 0 to 110 °C |
| Data Storage | 600 sets |
| Storage Content | Measurement ID, pH/mV value, temperature, ATC/MTC status, date & time |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Environment | 15–30 °C (for 0.001-level accuracy), ≤75% RH |
| Brand | Sanxin Peirui (SANXIN) |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV/°C) |
| pH Range | -2.000 to 19.999 pH |
| pH Resolution | 0.1 / 0.01 / 0.001 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy (Meter) | ±0.002 pH |
| (System w/ 2503-C electrode) | ±0.01 pH |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.4 °C (5–60 °C), ±0.8 °C (other ranges) |
| Input Current | ≤1 × 10⁻¹² A |
| Input Impedance | ≥3 × 10¹² Ω |
| Stability | ±0.002 pH / 3 h |
| Temperature Compensation | Automatic or Manual, 0–100 °C |
| Buffer Recognition | 13 standard pH buffers (NIST, DIN, Chinese GB, and custom series) |
| Measurement Modes | Stable Read, Timed Read, Continuous Read |
| Special Modes | High-Purity Water pH, Ammoniated Pure Water pH, ORP (vs. SHE) |
| Data Storage | 600 records (ID, value, temperature, ATC/MTC status, date/time) |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Environmental Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Conditions | 15–30 °C (for 0.001-class performance), ≤75% RH |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | MP512-01 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.002 pH |
| Measurement Range | −2.000 to 19.999 pH |
| Resolution | 0.001 pH |
| Calibration Solution Compatibility | Chinese Standard Buffer Series |
| Input Impedance | ≥3×10¹² Ω |
| Input Current | ≤1×10⁻¹² A |
| Stability | ±0.002 pH / 3 h |
| Temperature Compensation Range | 0–100 °C (Auto/Manual) |
| mV/ORP Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1 mV |
| Temperature Measurement Range | −10 to 110 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.4 °C (5–60 °C), ±0.8 °C (elsewhere) |
| Data Storage | 600 sets (ID, pH/mV, temp., ATC/MTC status, date/time) |
| Power Supply | DC 9 V / 300 mA |
| Interface | RS232 |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Certifications | ISO 9001:2015, CE, CMC |
| IP Rating | IP54 |
| Operating Environment | 15–30 °C, ≤75% RH |
| Brand | Sanxin Peray |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model Range | SX600–PH9500 |
| Measurement Accuracy | ±0.01 pH (high-end models) |
| Parameter Types | Dual-parameter (pH/mV, pH/Conductivity, pH/ORP, etc.) |
| Compliance | ASTM D1125, ISO 3696 Grade 3 water compatibility, GLP-compliant data logging (select models), FDA 21 CFR Part 11–ready software options |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Model | PG100 |
| Instrument Type | Multiparameter Process Controller |
| Measurement Accuracy | ±0.02 pH / ±2 mV |
| pH Range | 0.00–14.00 |
| ORP Range | −1999 to +1999 mV |
| pH Resolution | 0.01 pH |
| ORP Resolution | 1 mV |
| Calibration Solutions | NIST-traceable pH buffer standards (pH 4.00, 6.86, 9.18) |
| Input Signals | 0–5 V DC, 1–5 V DC, 0–10 mA DC, 4–20 mA DC |
| Output Signals | 0–10 V DC, 4–20 mA DC |
| Alarm Outputs | 2 independent relay outputs (configurable as high/low limit with adjustable hysteresis) |
| Control Output | 1 SPST switch output (ON/OFF, selectable direct/reverse action) |
| Power Supply | 90–260 V AC, 50/60 Hz |
| Operating Environment | 0–50 °C, 35–85 % RH (non-condensing) |
| Weight | 0.25 kg |
| Compliance | Designed for industrial process monitoring per IEC 61000-6-2 (EMC immunity) and IEC 61000-6-4 (EMC emissions) |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | PG100 |
| Input Signals | 0–5 V DC, 1–5 V DC, 0–10 mA DC, 4–20 mA DC |
| Measurement Range | 0.00–14.00 pH / 0–1400 mV |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.05 pH ±1 digit (pH) |
| Output Signals | 0–10 V DC, 4–20 mA DC |
| Alarm Outputs | 2 independent relay outputs (configurable as high/low limit, with adjustable hysteresis) |
| Control Output | 1 SPST switch output (ON/OFF control, selectable direct/reverse action, adjustable deadband) |
| Calibration | Two-point pH calibration using standard buffers (e.g., pH 4.00 & 6.86, or pH 6.86 & 9.18) |
| Power Supply | 90–260 V AC, 50–60 Hz |
| Operating Environment | 0–50 °C, 35–85% RH (non-condensing) |
| Weight | ~0.25 kg |
| Display | Dual-line LED (pH/mV and status/control parameters simultaneously) |
| Signal Processing | Digital filtering algorithm for noise suppression and signal stabilization |
| Brand | Sanxin Peri |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | PH5 |
| Instrument Type | Pocket-Style (Pen-Type) |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | 0.00–14.00 pH (extended range: –2.00 to 16.00 pH) |
| Resolution | 0.01 pH |
| Temperature Compensation | Automatic, 0–50 °C |
| Calibration | 1–3 point auto-calibration (using Chinese-standard pH buffer solutions) |
| ORP Range | ±1000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.2% FS |
| Temperature Measurement Range | 0–50 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C |
| Display | STN LCD with tri-color backlight (blue = measurement, green = calibration, red = alarm) |
| IP Rating | IP67 |
| Power | 4 × AAA alkaline batteries (DC 3 V) |
| Battery Life | >200 hours continuous use |
| Auto-Off | After 8 minutes of inactivity |
| Dimensions (meter) | 40 × 40 × 178 mm |
| Weight (meter) | 133 g |
| Included Accessories | pH 4.00 / 7.00 / 10.01 calibration solutions (1 vial each), 3 M KCl storage solution, calibration/test bottles (3), lanyard, 4 × AAA batteries, instruction manual, and custom carrying case (255 × 210 × 50 mm, 438 g) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | PH5S |
| Instrument Type | Pen-Style |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | –2.00 to 16.00 pH |
| Resolution | 0.01 pH |
| Calibration Solutions | NIST-traceable (China Edition) or USA-NIST (International Edition) |
| Temperature Compensation | Automatic, 0–50 °C |
| ORP Range | ±1000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.2% FS |
| Temperature Range | 0–50 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C |
| Display | STN LCD with Tri-Color Backlight (Blue/Measurement, Green/Calibration, Red/Alarm) |
| Power | 4 × AAA Alkaline Batteries (DC 3 V) |
| Battery Life | >200 h continuous use |
| Dimensions (Meter) | 40 × 40 × 178 mm |
| Weight (Meter) | 133 g |
| Included Accessories | Carrying Case, pH 4.00 & 7.00 Calibration Solutions (100 mL each), Calibration Vials, 3 M KCl Storage Solution, Lanyard, 4 × AAA Batteries, User Manual |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | 0.00–14.00 pH (extended range: –2.00–20.00 pH) |
| Resolution | 0.1 / 0.01 pH |
| mV Range | ±2000 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS ±1 digit |
| Temperature Range | 0–100 °C (32–212 °F) |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C ±1 digit |
| Calibration | 1–3 point auto-calibration with auto-buffer recognition (USA, NIST, CH standards) |
| Electrode Compatibility | LabSen®211 refillable glass pH composite electrode |
| Data Storage | 100 sets with timestamp, unit, temperature, and electrode slope |
| Connectivity | USB output (PC-Link-910 software included) |
| Power Supply | DC 9 V / 600 mA adapter |
| Dimensions (instrument only) | 195 × 215 × 100 mm |
| Weight | 0.9 kg |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Model | PHB-1 |
| Measurement Range | pH 0.00–14.00 |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Temperature Compensation | 0–80 °C (manual) |
| Power Supply | 1 × 9 V alkaline battery (6F22) |
| Dimensions & Weight | 168 × 43 × 26 mm |
| Operating Environment | 5–35 °C |
| Brand | SANXIN |
|---|---|
| Model | PHB-2 |
| pH Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Temperature Compensation | 0–80 °C (manual) |
| Input Impedance | ≥3×10¹¹ Ω |
| Power Supply | 6F22 / 9 V battery |
| Dimensions | 168 × 43 × 26 mm |
| Weight | 170 g |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Pen-Style pH Meter |
| Model | PHB-3 |
| Measurement Parameter | Single (pH only) |
| pH Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH ±1 digit |
| Calibration | Single-point auto-calibration at pH 7.00 |
| Calibration Solution Type | USA-standard buffer |
| Temperature Compensation | None |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 176 × 25 × 39 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Auto Power-Off | After 10 minutes of inactivity |
| Low-Battery Indicator | Yes |
| Electrode | Replaceable 201-G plastic-body composite pH electrode (proprietary connector) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-3 |
| Instrument Type | Pen-style pH Meter |
| Measurement Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.01 pH |
| Calibration | Single-point (pH 7.00) |
| Temperature Compensation | None |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 176 × 25 × 39 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Calibration Solution Compatibility | USA-standard pH buffers (e.g., pH 4.01, 7.00, 10.01) |
| Brand | Sanxin Peri |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-2C |
| Instrument Type | Benchtop (not pen-type — corrected per technical specification) |
| Parameter Types | Dual (pH + Temperature) |
| pH Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Temperature Compensation | Manual or Automatic (with optional PHT temperature electrode) |
| Calibration Buffers | pH 4.00, 6.86, and 9.18 (NIST-traceable standard solutions) |
| mV Range | −1500 to +1500 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.15% FS ±1 digit |
| Temperature Measurement | 0–100 °C / 32–212 °F, resolution 0.1 °C, accuracy ±1 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH / 3 h |
| Power Supply | DC 9 V adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 750 g |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | Sanxin |
|---|---|
| Model | PHS-2C |
| Type | Benchtop Electrochemical pH Meter |
| Origin | Shanghai, China |
| Manufacturer | Sanxin Peray Instrument Co., Ltd. |
| Measurement Range (pH) | 0.00–14.00 pH |
| Resolution | 0.1 / 0.01 pH |
| Accuracy (meter) | ±0.01 pH ±1 digit |
| Accuracy (with electrode) | ±0.02 pH ±1 digit |
| mV Range | ±1500 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.15% FS ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ≤±0.01 pH ±1 digit / 3 h |
| Temperature Compensation | Manual (0–100 °C) |
| Display | Backlit LCD (blue), simultaneous pH and temperature readout |
| Calibration | Dual-slope, 3-point automatic calibration |
| Electrode Slope Display | Yes, post-calibration % slope shown |
| Buffer Sets | Built-in NIST and DIN pH buffer tables (pH 4.00, 6.86, 9.18) |
| Temperature Unit | Selectable °C / °F |
| Power Supply | DC 9 V adapter |
| Dimensions (W × D × H) | 160 × 190 × 70 mm |
| Weight | 750 g |
| Operating Environment | 5–35 °C, ≤85% RH |
| Included Electrode | 201-C plastic-body composite pH electrode |
| Optional Accessory | PHT temperature compensation electrode |
| Standard Buffers Supplied | 50 mL each of pH 4.00, 6.86, and 9.18 |
| Brand | Sanxin |
|---|---|
| Model | PHS-3C |
| Type | Benchtop Electrochemical pH Meter |
| Measurement Principle | Potentiometric pH Determination via Glass Electrode |
| pH Range | 0.00–14.00 pH |
| Resolution | 0.01 pH (selectable 0.1/0.01) |
| Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Accuracy | ±0.1% FS ±1 digit |
| Temperature Compensation | Manual or Automatic (0–100 °C) |
| Calibration Points | Up to 3-point with built-in buffer standards (pH 4.00, 6.86, 9.18) |
| Electrode Slope Display | % theoretical (Nernstian) slope shown post-calibration |
| Data Storage | 25 measurement records |
| Display | Backlit LCD showing dual parameters (e.g., pH + °C or mV + °C) |
| Power Supply | DC 9 V adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 750 g |
| Compliance | Designed for GLP-compliant laboratory environments |