pH Meter
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| Brand | Alalis |
|---|---|
| Model | pH300 Standard |
| Type | Portable pH Meter |
| Measurement Range | -2.00 to 19.99 pH |
| Resolution | 0.01/0.1 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic/Manual (0–100 °C) |
| Calibration Buffers | CH, USA, and NIST series (15 total) |
| Data Storage | 500 groups with USB export |
| Display | 68 × 53 mm LCD with white backlight |
| IP Rating | IP57 |
| Input Connector | 8-pin waterproof socket |
| Compliance | Supports GLP-compliant data logging and audit-ready calibration records |
| Brand | Alalis |
|---|---|
| Model | pH300 Professional |
| Type | Portable pH Meter |
| Measurement Parameters | Dual (pH & mV) |
| pH Range | −2.00 to 19.99 pH |
| pH Resolution | 0.01 / 0.1 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| Temperature Range | −10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration Buffers | CH, USA, and NIST series (15 total) |
| Calibration Points | 1–5 point auto-calibration with on-screen guidance |
| Temperature Compensation | Automatic or manual (0–100 °C) |
| Data Storage | 500 groups with timestamp, recall, and deletion |
| Connectivity | USB interface with PC software |
| Display | 68 × 53 mm LCD with white backlight and real-time clock |
| Enclosure Rating | IP57 |
| Electrode Interface | 8-pin waterproof socket |
| Default Electrodes | Tri-combination pH electrode + plastic-body ORP electrode |
| Special Modes | High-purity water pH mode, ammonia-added pure water pH mode |
| Power | Auto-off with low-battery indicator |
| Compliance | Designed for GLP-compliant field and lab use |
| Brand | Alalis |
|---|---|
| Model | pH400 Basic |
| Type | Benchtop pH Meter |
| Measurement Parameters | pH and mV (ORP) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 / 0.1 |
| pH Accuracy | ±0.01 |
| Temperature Compensation | Automatic or Manual (0–100 °C) |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Calibration Options | 1–3 point, with CH and USA buffer series (6 total standard buffers) |
| Data Storage | 50 manual entries with min/max recall |
| Display | 80 × 58 mm LCD, large-font interface |
| Enclosure Rating | IP54 |
| Default Electrode | Plastic-body tri-combination pH electrode |
| Power | 9 V DC adapter |
| Brand | Alalis |
|---|---|
| Model | pH400 Educational |
| Type | Benchtop pH Meter |
| Measurement Parameters | pH and mV (ORP) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 / 0.1 |
| pH Accuracy | ±0.01 |
| Temperature Compensation | Automatic or Manual (0–100 °C) |
| Calibration Options | 1–3 point, with CH and USA buffer series (6 standard buffers supported) |
| Display | 80 × 58 mm LCD, large-font interface |
| Data Storage | 50 manual entries with min/max recall |
| IP Rating | IP54 |
| Included Electrode | Rugged composite plastic-body pH electrode |
| Compliance | Designed for GLP-compliant educational and QC environments |
| Brand | Alalis |
|---|---|
| Model | pH400 Standard |
| Type | Benchtop pH Meter |
| Measurement Parameters | pH and mV (ORP) |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 0.01 / 0.1 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | 0.0–100.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration | 1–3 point automatic pH calibration with CH and USA buffer series (6 total standard buffers) |
| Temperature Compensation | Automatic or manual (0–100 °C) |
| Data Storage | 200 sets with min/max recall |
| Interface | RS-232 with PC communication software |
| Display | 80 × 58 mm LCD, large-font, backlit |
| Enclosure Rating | IP54 |
| Default Electrode | Plastic-body tri-combination pH electrode |
| Power | 9 V DC adapter |
| Brand | Alalis |
|---|---|
| Model | pH510 Basic |
| Type | Benchtop pH/mV/Temperature Meter |
| Measurement Principle | Potentiometric pH Determination via Glass Electrode |
| pH Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 / 0.1 pH (selectable) |
| pH Accuracy | ±0.002 pH |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Range | −10.0 to 110.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C |
| Calibration Options | CH, USA, and NIST buffer series (15 total standard buffers) |
| Calibration Points | 1–5 point automatic calibration with guided prompts and electrode diagnostics |
| Temperature Compensation | Automatic or manual (0.0 to 100.0 °C) |
| Display | 90 × 68 mm LCD with white backlight, large-font numeric readout, real-time clock |
| Data Storage | 500 sets (manual + auto-log), min/max tracking |
| GLP Compliance | Timestamped records, electrode ID logging, calibration history retention |
| Connectivity | USB interface with PC software |
| Environmental Rating | IP54 (dust-protected, splash-resistant) |
| Power | 7.9 V DC adapter |
| Electrode | Integrated high-quality plastic-body triple-junction pH electrode with built-in temperature sensor |
| Special Modes | High-purity water pH mode, ammonia-added pure water mode, redox (E<sub>H</sub>) mode, auto-hold endpoint stabilization |
| Brand | Alalis |
|---|---|
| Origin | Shanghai, China |
| Model | pH510 Professional |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH & mV) |
| pH Measurement Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 / 0.1 pH |
| pH Accuracy | ±0.002 pH |
| mV Range | ±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 |
| Calibration Buffers | CH, USA, and NIST series (15 standard solutions + user-defined) |
| Temperature Compensation | Automatic or manual (0–100.0 °C) |
| Data Storage | 500 sets (manual & auto), with min/max tracking |
| Display | 90 × 68 mm LCD with white backlight, time stamp |
| Connectivity | USB interface |
| Enclosure Rating | IP54 |
| Compliance | GLP-compliant data management |
| Brand | Alalis |
|---|---|
| Model | pH510 Standard |
| Type | Benchtop pH Meter |
| Measurement Parameters | pH and mV (Redox) |
| pH Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 / 0.1 pH |
| pH Accuracy | ±0.002 pH |
| mV Range | ±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 |
| Temperature Compensation | Automatic or Manual (0 to 100.0 °C) |
| Calibration Options | 1–5 point automatic calibration with CH, USA, and NIST buffer series (15 total standard buffers) |
| Special Modes | High-purity water pH mode, ammonia-added pure water pH mode, ORP (E<sub>H</sub>) mode |
| Display | 90 × 68 mm LCD with white backlight, time stamp, large-font readability |
| Data Storage | 500 groups (manual & auto), min/max tracking |
| GLP Compliance | Yes (audit-trail enabled data logging) |
| Connectivity | USB interface with PC software |
| Enclosure Rating | IP54 |
| Power Supply | 9 V DC adapter |
| Brand | Apera |
|---|---|
| Origin | Shanghai, China |
| Model | GS2 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Calibration Solutions | pH 4.00, pH 7.00, pH 10.01 |
| 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 (white/green/red) |
| Power | 4 × AAA alkaline batteries (DC 3 V) |
| Battery Life | >200 hours continuous use |
| Auto-Off | 8 minutes |
| Dimensions (meter) | 40 × 40 × 178 mm |
| Weight (meter) | 133 g |
| Kit Includes | GS2 meter, 50 mL pH 4.00 & pH 7.00 buffer solutions, 10 mL 3 M KCl storage solution, soil auger, electrode cleaning brush, lanyard, user manual, carrying case (255 × 210 × 50 mm, 438 g) |
| Brand | Apera |
|---|---|
| Origin | Shanghai, China |
| Model | PH700 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.1 / 0.01 pH |
| Accuracy | ±0.01 pH ± 1 digit |
| Calibration Standards | USA & NIST traceable buffers |
| Temperature Compensation | Automatic or Manual (0–100 °C) |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS ± 1 digit |
| Temperature Measurement | 0.0–100.0 °C (32.0–212.0 °F), ±0.5 °C ± 1 digit |
| Data Storage | 50 sets (ID, pH/mV value, unit, temperature, temp-comp status) |
| Power Supply | DC 9 V / 300 mA adapter |
| IP Rating | IP54 |
| Dimensions | 240 × 235 × 103 mm |
| Weight | 1.0 kg |
| Included Electrode | 201T-F plastic-body tri-combination pH electrode (pH + reference + integrated Pt1000 temperature sensor) |
| Calibration | 1–3 point auto-calibration with slope display, buffer auto-recognition, diagnostic feedback |
| Brand | Apera |
|---|---|
| Origin | Shanghai, China |
| Model | PH850 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.1 / 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation Range | 0–100 °C (auto/manual) |
| mV Range | ±1000 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.2% FS ±1 digit |
| Temperature Measurement | 0–100 °C, ±0.5 °C ±1 digit, 0.1 °C resolution |
| Calibration | 1–3 point auto-calibration with slope display |
| Electrode Interface | Standard waterproof BNC |
| Data Storage | 50 sets (ID, value, unit, temperature, temp-comp status) |
| Power | 3 × AAA alkaline batteries (1.5 V each) |
| IP Rating | IP57 |
| Dimensions (Carrying Case) | 330 × 270 × 82 mm |
| Weight (Case) | 1.3 kg |
| Calibration Standards | USA/NIST traceable buffers |
| Warranty | 2 years instrument, 6 months electrode |
| Brand | APERA (SANXIN PEIRUI) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | −2.000 to 20.000 pH |
| Resolution | 0.1 / 0.01 / 0.001 pH |
| Accuracy | ±0.002 pH |
| Calibration Precision | 0.001 pH |
| Calibration Standards Supported | USA, NIST, and CH series certified buffer solutions |
| Calibration Points | 1–5-point automatic calibration with slope & offset validation |
| Data Storage | 1000 GLP-compliant records with operator ID, sample ID, electrode ID, calibration password, and institution name |
| Display | 4.3″ TFT color touchscreen with 8-language UI (English, Chinese, Japanese, French, German, Italian, Spanish, Russian) |
| Connectivity | USB port for data export to PC and optional thermal/impact printer (GLP/GMP-compliant printout) |
| Electrode | Included LabSen®211 rechargeable glass pH electrode (ISO 3696 Grade 1 compliant) |
| Accessories | 606 Smart Multi-Function Stand (integrated variable-speed stirrer with memory, universal electrode holder, reagent bottle cradle) |
| Input Method | On-screen soft keyboard |
| Onboard Help | Interactive “i” key with context-sensitive operation guides |
| Standard Kit | Three 50 mL certified buffer vials (pH 4.00, 7.00, 10.01), three calibration cups, electrode storage solution |
| Brand | ASCH |
|---|---|
| Origin | Japan |
| Model | CL-9D02 |
| Instrument Type | Benchtop |
| Parameters Measured | pH and Temperature |
| pH Accuracy | ±0.01 pH |
| pH Range (Glass Electrode) | 0.00–14.00 |
| pH Range (Antimony Electrode) | 4.00–9.00 |
| Resolution | 0.01 pH |
| Temperature Compensation | Automatic & Manual (0–100 °C) |
| Input Impedance | >10¹³ Ω |
| Output Signal | 0–1.4 V / ±1999 mV |
| Power Supply | 220 V, 50/60 Hz |
| Power Consumption | ~1.0 VA |
| Dimensions | 165(W) × 180(D) × 70(H) mm |
| Weight | ~1000 g |
| Compatible Electrode | MCS-30S Antimony Composite Electrode |
| Minimum Sample Volume | 50–1000 µL |
| Calibration Buffers | pH 4.01 and 6.86 |
| Brand | ASCH |
|---|---|
| Origin | Japan |
| Model | CMSN-141 |
| Instrument Type | Benchtop |
| Parameters Measured | pH and mV |
| Measurement Accuracy | ±0.01 pH |
| pH Range | 4.0–9.0 |
| Resolution | 0.01 pH |
| Calibration Buffers | pH 4.01 and 6.86 |
| Electrode Tip Diameter | 0.65 mm |
| Sensing Element | Antimony |
| Operating Temperature | 0–60 °C |
| Reference Electrode | CMR-545 (BNC, stainless steel body) |
| Salt Bridge | SB-010 |
| Cable Length | 1.0 m |
| Liquid Junction | None |
| Brand | Atago |
|---|---|
| Origin | Japan |
| Model | ACID 5 + HIKARi 5 |
| Instrument Type | Portable |
| Parameter Types | Dual (Brix & Titratable Acidity) |
| Brix Range (HIKARi 5) | 10.0–18.0% |
| Brix Range (ACID 5) | 0.0–60.0% |
| Acidity Range | 0.10–4.00% |
| Brix Accuracy (HIKARi 5) | ±1.0% |
| Brix Accuracy (ACID 5) | ±0.2% |
| Acidity Accuracy | ±0.10% (0.10–1.00%), ±0.20% (1.01–4.00%) |
| Brix Resolution | 0.1% |
| Acidity Resolution | 0.01% (0.00–9.99%), 0.1% (≥10.0%) |
| pH Accuracy | ±0.1 pH |
| Calibration Solution Type | USA-standard buffer solutions |
| Compliance | Designed for ISO/IEC 17025-aligned routine quality control workflows |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | DPH-2 Digital Portable pH Meter |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0.0 to 14.0 pH |
| Resolution | ±0.1 pH (2.0–12.0 pH) |
| Accuracy | ±0.1 pH (2.0–12.0 pH) |
| Temperature Range | 0.0–50.0 °C with Automatic Temperature Compensation (ATC) |
| Calibration Points | 4.0, 7.0, and 10.0 pH buffer solutions |
| Ingress Protection Rating | IP67 |
| Power Supply | Four LR44 button cells |
| Dimensions | 4.5 × 3.0 × 16.3 cm |
| Weight | 90 g (without accessories) |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1901 |
| Instrument Type | Portable |
| Parameter Type | Multi-parameter |
| pH Range | -2.00 to 20.00 pH |
| Display Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point |
| Temperature Range | 0–105 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C |
| Temperature Compensation | Automatic (0–100 °C) |
| Data Storage | 100 sets |
| Interface | USB, BNC, 3.5 mm audio jack |
| Power | 3 × AA batteries or DC 5 V adapter |
| Brand | Thermo Fisher |
|---|---|
| Origin | Singapore |
| Manufacturer | Eutech Instruments (a Thermo Fisher Scientific brand) |
| Type | Portable Multi-parameter Electrochemical Analyzer |
| Model | pH450 |
| Measurement Range | –2.00 to 16.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | Up to 5 (USA/NIST), up to 6 (DIN), or up to 5 user-defined points |
| Buffer Recognition | Automatic (USA/NIST/DIN) |
| Calibration Expiry Alert | Configurable |
| Data Storage | 500 datasets with timestamp (RTC) |
| Connectivity | USB and RS232 |
| Power | 2 × AA batteries (typical life >2000 hours) or optional AC adapter |
| Enclosure Rating | IP67 |
| Electrode Interface | BNC |
| Temperature Unit | °C/°F selectable |
| GLP Compliance | Yes (time-stamped calibration & measurement records) |
| Brand | Hamilton |
|---|---|
| Origin | USA |
| Model | 243632 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Calibration | Standard pH Buffer Solutions |
| Brand | Hamilton |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HB42VP |
| Instrument Type | Inline / Process pH Sensor |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | pH 0–14 |
| Resolution | 0.01 pH |
| Accuracy | ±0.15 pH |
| Calibration | Standard pH buffer solutions (e.g., pH 4.01, 7.00, 10.01) |
| Electrolyte System | Polisolve polymer electrolyte |
| Reference System | Polilyte polymer reference |
| Connection | VarioPin (VP) quick-fit connector |
| Glass Membrane | High-pH-resistant glass with low alkaline error |
| Temperature Compensation | Integrated Pt1000 RTD |
| Operating Pressure | Up to 6 bar (gauge), non-compensated |
| IP Rating | IP68 (when properly mounted in compatible housing) |
| Brand | HANNA |
|---|---|
| Origin | Italy |
| Model | HI98190 |
| Instrument Type | Portable |
| Parameter Types | pH, ORP, Temperature |
| pH Range | -2.000 to 20.000 pH |
| ORP Range | ±2000 mV |
| pH Resolution | 0.1 / 0.01 / 0.001 pH |
| pH Accuracy | ±0.1 / ±0.01 / ±0.002 pH |
| ORP Resolution | 0.1 mV |
| ORP Accuracy | ±0.2 mV |
| Temperature Range | -20.0 to 120.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C |
| Calibration | Up to 5-point auto-recognized pH calibration + 2 custom points |
| Built-in Standards | 7 fixed pH buffers (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) |
| CAL Check™ | Real-time electrode diagnostics |
| Data Storage | 200 records (100 single-parameter + 100 multi-parameter) |
| Connectivity | USB interface compatible with HI92000 software |
| Enclosure Rating | IP67 |
| Power | 4 × 1.5 V AA batteries |
| Operating Environment | 0 to 50 °C, RH ≤ 100% |
| Dimensions | 185 × 93 × 35.2 mm |
| Weight | 400 g |
| Electrode | HI12963 titanium-body pH/ORP/Temp tri-combo probe with integrated Pt1000 sensor and quick-connect DIN connector (1 m cable) |
| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI98318 |
| Instrument Type | Portable |
| Parameter Type | Multi-Parameter (EC, TDS, Temperature) |
| Measurement Range | EC: 0.00 to 6.00 mS/cm |
| TDS | 0 to 3000 ppm (500 CF), 0 to 3999 ppm (700 CF) |
| Resolution | EC: 0.01 mS/cm |
| TDS | 10 ppm (mg/L) |
| Temperature | 0.1 °C / 0.1 °F |
| Accuracy | ±2% F.S. @ 20°C/68°F |
| Calibration | Automatic single-point recognition (1.41 mS/cm or 5.00 mS/cm) |
| Temperature Compensation | Automatic, β = 1.9 %/°C |
| TDS Conversion Factors | 0.50 (500 ppm), 0.70 (700 ppm) |
| Operating Environment | 0 to 50°C, RH ≤ 100% |
| Power | 4 × 1.5 V button cells (LR44) |
| Dimensions | 163 × 40 × 26 mm |
| Weight | 100 g |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual-parameter (pH + temperature) |
| Measurement Range | −2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point automatic calibration |
| Buffer Recognition | Auto-identifies five standard GB buffers (1.68, 4.00, 6.86, 9.18, 12.46 pH) and supports custom buffer entry |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 50 measurement sets with recall and deletion |
| Display | 6-inch HD LCD |
| Protection Rating | IP54 |
| Compliance | GB/T 11165–2005, JJG 119–2018, HJ 1396–2024 |
| Brand | Leici |
|---|---|
| Model | PH-30 |
| Type | Pen-Style pH Meter |
| Measurement Range | (-2.00 to 16.00) pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| ATC Range | (0.0 to 60.0) °C |
| Calibration Points | 1–3 point (auto-recognized GB & US buffers) |
| IP Rating | IP67 |
| Power | 4 × AAA batteries |
| Battery Life | >200 h |
| Dimensions | 40 × 30 × 188 mm |
| Weight | ~0.15 kg |
| Housing Material | ABS |
| Electrode Options | Spherical, Flat-Surface, or Conical pH Sensing Tips |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PH-30P |
| Instrument Type | Pen-Style pH Meter |
| Parameter Types | pH, mV, Temperature |
| pH Measurement Range | (-2.00 to 16.00) pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Calibration Points | 1–3 point with auto-buffer recognition (GB and US standard buffers) |
| IP Rating | IP67 |
| Housing Material | ABS |
| Power Supply | 4 × AAA batteries |
| Battery Life | >200 hours |
| Dimensions (L×W×H) | 188 × 40 × 30 mm |
| Weight | ~0.15 kg |
| Display | High-contrast LCD with backlight |
| Data Lock | Auto-lock (5–20 s adjustable) and manual hold |
| Auto-power-off | Configurable timer |
| Additional Functions | Factory reset, backlight adjustment, unit toggle (°C/°F) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | PH-30Z |
| Instrument Type | Pen-Style pH Meter |
| Parameter Types | Multi-Parameter (pH, mV, Temperature) |
| pH Measurement Range | (-2.00 to 16.00) pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Calibration Points | 1–3 point with auto-buffer recognition (GB and US standard buffers) |
| Display | High-contrast LCD with backlight |
| IP Rating | IP67 |
| Electrode Options | Replaceable spherical, flat-surface, or conical pH sensing tips |
| Power | 4 × AAA batteries (>200 h battery life) |
| Dimensions | 40 × 30 × 188 mm |
| Weight | ~0.15 kg |
| Housing Material | ABS polymer |
| Included Accessories | Wrist strap, portable carrying case, calibration vials, pre-filled GB/US buffer solutions (pH 4.01, 7.00, 10.01), and batteries |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | PHB-4 |
| Instrument Type | Portable |
| Parameter Types | Dual-parameter (pH/mV) |
| pH Accuracy | ±0.03 pH |
| pH Range | (0.00–14.00) pH |
| Resolution | 0.01 pH |
| mV Range | (−1400–+1400) mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.2% FS |
| Temperature Compensation | Manual |
| Calibration Solutions | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Calibration Points | 1–2 point |
| IP Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | PHB-5 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (pH only) |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | −2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Calibration Solutions | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Auto-Detection | Yes (for standard buffer recognition) |
| Temperature Compensation | Automatic and Manual Modes |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | PHB-5 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| 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 Range | (-5.0 to 110.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Buffers | GB Standard Solutions at pH 4.00, 6.86, and 9.18 |
| Power Supply | Rechargeable Li-ion Battery + AC/DC Adapter (Input: AC 100–240 V, Output: DC 5 V) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-5 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Accuracy | ±0.01 pH |
| pH 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 Buffers | GB Standard pH 4.00, 6.86, and 9.18 |
| Power Supply | Rechargeable Li-ion battery |
| AC/DC adapter (Input | AC 100–240 V, Output: DC 5 V) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |