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| 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 |
|---|---|
| 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 (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 | 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 | EC700 |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0–200.0 mS/cm (4 auto-ranging segments: 0–199.9 µS/cm |
| TDS Range | 0–100 g/L (4 segments: 0.0–99.9 mg/L |
| Resistivity Range | 0–100 MΩ·cm (derived from conductivity) |
| Salinity Range | 0–200.0 mS/cm (equivalent to 0–125 ppt NaCl, calculated per ISO 80000-9) |
| Temperature Range | 0–50 °C (auto/manual compensation) |
| Accuracy | ±1.0% FS ±1 digit |
| Resolution | 0.1/1 µS/cm |
| Electrode Constant Options | 0.1 / 1 / 10 cm⁻¹ |
| Temp. Coefficient | 0.00–9.99 %/°C (default 2.00 %/°C) |
| Calibration | 1–4-point automatic with solution recognition |
| Data Storage | 50 sets (ID, value, unit, temp, TC status) |
| IP Rating | IP54 |
| Dimensions | 240 × 235 × 103 mm |
| Weight | 1.0 kg |
| Included Sensor | 2301T-F Pt-black conductivity cell (K = 1.0 cm⁻¹), POM body, integrated 30 kΩ thermistor |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | 5041 |
| Measurement Range | ±100 mV |
| Resolution | 1 mV |
| Accuracy | ±0.5% FS |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 39 × 25 × 176 mm |
| Weight | 95 g |
| IP Rating | IP57 |
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