pH Meter
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Showing 511–540 of 551 results
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Benchtop |
| Model | inoLab pH 7310 |
| Measurement Parameters | Single (pH) |
| pH Range | –2.0 to 20.0 |
| Resolution | 0.1 / 0.01 / 0.005 pH (selectable) |
| Accuracy | ±0.005 pH (at 25 °C, calibrated with traceable buffers) |
| mV Range | ±1200.0 mV (±0.3 mV), ±2500 mV (±1 mV) |
| Temperature Range | –5.0 to +105.0 °C (±0.1 °C) |
| Calibration | Up to 5-point, DIN/NIST/WTW TEC buffer support (20 pre-programmed standards) |
| Memory Capacity | 500 manual entries / 5000 automatic logs |
| Data Output | USB 2.0 micro-B interface, CSV format |
| Compliance | GLP-compliant data logging with timestamp, operator ID, electrode serial number, and calibration history |
| Optional | Integrated thermal printer (58 mm width) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | inoLab pH/ION 7320 |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, ISE, Temperature) |
| pH Range | –2.000 to 20.000 |
| Accuracy | ±0.004 pH |
| mV Range | –999.9 to +999.9 mV (±0.2 mV), –2000 to +2000 mV (±1 mV) |
| ISE Concentration Range | 0.000–10.000 mg/L, 0.00–100.00 mg/L, 0.0–1000.0 mg/L, 0–2000 mg/L |
| Temperature Range | –5.0 to +105.0 °C |
| Accuracy | ±0.1 °C |
| Calibration | pH up to 5-point |
| Data Storage | 500 manual / 5000 automatic readings |
| Interface | Micro-USB |
| Display | Backlit LCD with graphical prompt support |
| Protection Rating | IP43 |
| Dimensions (7320) | 240 × 190 × 80 mm |
| Weight (7320) | ~0.8 kg |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pH 7110 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/ORP/Temperature) |
| Measurement Accuracy | ±0.005 pH (at 0.001 pH resolution) |
| pH Range | –2.000 to +19.999 |
| Resolution | 0.001 pH / 0.1 mV / 0.1 °C |
| Operating Temperature | +5 to +55 °C |
| Storage Temperature | –25 to +65 °C |
| Power Supply | 4 × AA alkaline batteries (2500 h typical life) or 100–240 VAC / 9 VDC adapter |
| Dimensions | 240 × 190 × 80 mm |
| Weight | 1.0 kg |
| Ingress Protection | IP43 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pH 7310 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/ORP) |
| Measurement Range | −2.000 to +19.999 pH |
| Resolution | 0.001 pH (selectable down to 0.01 or 0.1) |
| Accuracy | ±0.005 pH (at 25 °C, with calibrated electrode) |
| ORP Range | −2500 to +2500 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±1 mV |
| Temperature Range | −5.0 to +105.0 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.1 °C |
| Calibration | Automatic 1–5-point pH calibration with slope and offset validation |
| Data Storage | 500 manual + 5000 automatic records |
| Interface | USB 2.0 (cable length up to 3 m) |
| Compliance | GLP-compliant documentation, AQA (Analytical Quality Assurance), ISO/IEC 17025-supportive data traceability |
| Power | 4×AA alkaline batteries (≈1000 h operation, no backlight) or universal 100–240 VAC / 9 VDC adapter |
| Enclosure Rating | IP43 |
| Operating Temperature | +5 to +55 °C |
| Storage Temperature | −25 to +65 °C |
| Dimensions (pH 7310) | 240 × 190 × 80 mm |
| Weight | 0.8 kg |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | LF40 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (Conductivity, Salinity, TDS, Temperature) |
| Measurement Ranges | 0–200 μS/cm, 0–2000 μS/cm, 0–20 mS/cm, 0–500 mS/cm (auto-ranging) |
| TDS | 0–200 mg/L, 0–2000 mg/L, 0–20 g/L, 0–500 g/L |
| Salinity | 0–70 g/kg |
| Temperature | −10 to +100 °C |
| Resolution | 0.1 μS, 1 μS, 0.01 mS, 0.1 mS, 0.1 °C |
| Temperature Compensation | Pt1000 (automatic or fixed) |
| Display | LCD, 128 × 64 pixels, backlit |
| Data Storage | 4000 measurement sets with timestamp |
| Connectivity | USB (galvanically isolated) |
| Enclosure | ABS housing, IP65 rated |
| Dimensions | 200 × 95 × 40 mm (W × H × D) |
| Weight | 290 g (incl. 3 × AA batteries) |
| EMC Compliance | EN 61326 Class B |
| Recommended Electrode | LTC 0.35/LF 40 (4-pole, cell constant 0.33 cm⁻¹, integrated Pt1000 temperature sensor, 1 m cable, BK connector) |
| Standard Kit | LF40 instrument, LTC 0.35/LF 40 electrode, calibration solution (50 mL, 0.1 N KCl, 12.9 mS/cm @ 25 °C), portable carrying case |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Type | Portable |
| Measurement Mode | Single-Parameter |
| Electrode Architecture | 500-Series (Half-Cell, Requires Separate Reference Electrode) / 800-Series (Integrated Reference Electrode, Composite Design) |
| Compatible Ions | NH₄⁺, Pb²⁺, Br⁻, Cd²⁺, Ca²⁺, Cl⁻, CN⁻, F⁻, I⁻, K⁺, Cu²⁺, Na⁺, NO₃⁻, Ag⁺, S²⁻ |
| Concentration Range (Typical) | 10⁻⁸–10⁻¹ mol/L (e.g., Cu²⁺) to saturation (e.g., F⁻) |
| Connector Options | BNC or DIN |
| Compliance | Designed for ASTM D6919, ISO 10304-2, USP <781>, and GLP/GMP-relevant measurement traceability |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pH 3110 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/mV/°C) |
| Measurement Principle | Potentiometric (Glass Electrode / Reference Electrode System) |
| Resolution | 0.001 pH / 0.1 mV / 0.1 °C |
| Accuracy | ±0.005 pH (at 25 °C, range –2.000 to +19.999), ±0.1 mV (–1200.0 to +1200.0 mV), ±0.1 °C (–5.0 to +105.0 °C) |
| Calibration | Automatic 1-/2-/3-point with buffer recognition (DIN/NIST/USA buffers) |
| Response Time | ≤15 s (t₉₀) |
| Repeatability | <0.02 pH |
| Auto-Off Delay | Configurable from 10 min to 24 h |
| Battery Life | Up to 2500 h (4 × AA alkaline) |
| Enclosure Rating | IP67 |
| Operating Temperature | –10 °C to +55 °C |
| Storage Temperature | –25 °C to +65 °C |
| Dimensions | 180 × 80 × 55 mm |
| Weight | 0.4 kg |
| Brand | WTW |
|---|---|
| Model | pH 3310 |
| Type | Portable pH Meter |
| Parameters | Single-parameter (pH/mV/Temperature) |
| Measurement Range | –2.000 to 19.999 pH |
| Resolution | 0.001 pH |
| Accuracy | ±0.005 pH (at 25°C, calibrated) |
| mV Range | ±1200.0 mV (±0.3 mV), ±2500 mV (±1 mV) |
| Temperature Range | –5.0 to 105.0 °C (±0.1 °C) |
| Calibration | 1–5 point, auto-buffer recognition (DIN/NIST/WTW TEC, 16 buffers) |
| Data Storage | 5000 automatic + 200 manual entries |
| IP Rating | IP66/IP67 |
| Battery Life | Up to 1000 h (display backlight off), 150 h (backlight on) |
| Interface | Waterproof USB |
| ATC | Yes |
| CMC (Continuous Measurement Control) | Yes |
| Display | Backlit graphical LCD |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pH 3310 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/mV/Temperature) |
| pH Range | –2.000 to 19.999 |
| pH Accuracy | ±0.005 |
| mV Range | ±2500 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | –5.0 to 105.0 °C |
| Temp. Accuracy | ±0.1 °C |
| Data Storage | 5000 automatic records |
| IP Rating | IP66/IP67 |
| Calibration | 1–5 point, auto-buffer recognition (DIN/NIST/WTW TEC, 16 buffers) |
| ATC | Yes |
| CMC (Continuous Measurement Control) | Yes |
| Display | Backlit graphical LCD |
| Power | 4 × AA alkaline or NiMH batteries (1000 h typical life) |
| Interface | Waterproof USB |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | PH/ION 3310 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter |
| Measurement Modes | pH, ORP, ISE, Temperature |
| Calibration | pH (1–5 points), ISE (2–7 points) |
| Display | Backlit LCD |
| Data Storage | Manual (500 entries), Automatic (5000 entries) |
| GLP Compliance | Yes |
| USB Interface | USB 1.1 (Type-B), cable length ≤ 3 m |
| Power | 4 × 1.5 V AA alkaline (800 h operation) or 4 × 1.2 V AA NiMH rechargeable |
| IP Rating | IP67 |
| Dimensions | 180 × 80 × 55 mm |
| Weight | 0.4 kg (without adapter) |
| Operating Temp. | +5 °C to +55 °C |
| Storage Temp. | −25 °C to +65 °C |
| pH Range | −2.000 to +19.999 (res. 0.001, acc. ±0.005) |
| ORP | −2500 to +2500 mV (res. 1 mV, acc. ±1 mV) |
| Temp. | −5.0 to +105.0 °C (res. 0.1 °C, acc. ±0.1 °C) |
| ISE | 0.000–999999 in multiple units (mg/L, µmol/L, mmol/L, mg/kg, ppm, %) with resolution down to 0.001 and accuracy per NIST-traceable calibration |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SensoLyt® 900-P |
| Measurement Range | 0.000–12.000 pH |
| Accuracy | ±0.004 pH |
| Temperature Sensor | NTC 30 kΩ |
| Membrane Resistance | < 400 MΩ at 25 °C |
| Operating Temperature | 0–80 °C |
| Electrode Length | 120 mm |
| Electrode Diameter | 12 mm |
| Connection | Digital IDS interface (AS/IDS-x or IDS WLM-S compatible) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 41 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| pH Range | 0–14 |
| Temperature Range | −5 to +80 °C |
| Glass Membrane Impedance | 300 MΩ at 25 °C |
| Reference System | Gelified Internal Buffer (pH 7.0 ± 0.25) |
| Junction Type | Fibrous Diaphragm |
| Electrode Body Material | Noryl |
| Electrode Dimensions | Ø12 mm × 120 mm |
| Cable Length | 1 m |
| Connector Options | DIN or BNC |
| Integrated Temperature Sensor | NTC thermistor (30 kΩ) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 81 |
| Measurement Range | 0–14 pH |
| Temperature Range | 0–100 °C |
| Reference Electrolyte | 3 M KCl, Ag⁺-free |
| Internal Buffer | pH 7.0 ± 0.25 |
| Glass Membrane Type | Conical, low-impedance |
| Membrane Impedance | 100 MΩ at 25 °C |
| Junction | Platinum wire |
| Electrode Body Material | Glass |
| Electrode Length | 120 ± 1 mm |
| Diameter | 12 ± 0.5 mm |
| Cable Length | 1 m |
| Connector Options | DIN or BNC |
| Integrated Temperature Sensor | NTC 30 kΩ |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940 |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Temperature Range | 0–80 °C |
| Input Impedance | >1 GΩ (at 25 °C) |
| Cable Length | 1.5 m |
| Connector Type | 4-pin IDS plug |
| Reference Electrolyte | Polymer gel |
| Junction Type | Fiber junction |
| NTC Temperature Sensor | Integrated |
| Housing Material | PPE/PS composite |
| Shaft Diameter | 4.3 mm |
| Minimum Bending Radius (fixed) | 20 mm |
| Minimum Bending Radius (flexible use) | 60 mm |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Accuracy | ±0.004 |
| pH Range | 0.000–14.000 |
| Calibration Buffers | pH 4.01, 7.00, 10.01 |
| Temperature Range | 0–80 °C |
| Electrolyte | Polymer Gel (KCl-free) |
| Reference Junction | Fiber Junction (NTC integrated) |
| Housing Material | PPE/PS Composite |
| Shaft Length | 120 mm |
| Cable Length | 1.5 m (standard), 3 m (optional) |
| Connector | 4-pin IDS (Intelligent Digital Sensor) |
| Input Impedance | >1 GΩ at 25 °C |
| Response Time (t₉₀) | <15 s (in buffer) |
| Storage Requirement | Wet cap with pH 4 or 7 buffer |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940-3 |
| Measurement Range | 0.000–14.000 pH |
| Accuracy | ±0.004 pH |
| Temperature Range | 0–80 °C |
| Cable Length | 3 m |
| Electrolyte | Polymer Gel (Gel-Filled) |
| Input Impedance | >1 GΩ at 25 °C |
| Connector Type | 4-pin IDS (Intelligent Digital Sensor) |
| Housing Material | PPE/PS Composite |
| Shaft Length | 120 mm |
| Shaft Diameter | 4.3 mm |
| Minimum Bending Radius | 20 mm (fixed), 60 mm (flexible use) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix HW |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter |
| Reference Electrolyte | 3 mol/L KCl (Ag⁺-free) |
| Membrane Shape | Cylindrical |
| Shaft Material | High-Quality Glass |
| Shaft Length | 170 mm |
| Shaft Diameter | 12 mm |
| Connection | S7 Plug (Cable Not Included) |
| Temperature Sensor | None |
| Membrane Resistance | < 800 MΩ |
| pH Range | 0–14 |
| Operating Temperature | 0–60 °C |
| Diaphragm Type | Ground-Joint (Fritless, Low-Flow) |
| Electrolyte Reservoir | Large-Volume Refillable Chamber |
| Flow Adjustment | Adjustable Annular Junction |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix® 980 |
| Measurement Range | 0–14.00 pH |
| Accuracy | ±0.004 pH |
| Temperature Sensor | NTC 30 kΩ |
| Reference Electrolyte | 3 mol/L KCl |
| Membrane Resistance | < 600 MΩ |
| Shaft Length | 120 mm |
| Shaft Diameter | 12 mm |
| Connection | Integrated 1.5 m waterproof digital cable with IDS connector |
| Tip Geometry | Conical glass membrane |
| Electrolyte System | Liquid-filled |
| Internal Signal Processing | Yes |
| QSC (Quality Sensor Control) | Yes |
| Calibration Data Storage | On-board memory |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTixMic |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| Membrane Diameter | 3 mm or 5 mm |
| Reference System | 3 mol/L KCl aqueous electrolyte |
| Junction Type | Ceramic or Platinum Wire |
| Temperature Range | 0–100 °C (ceramic), –5–100 °C (Pt wire) |
| Shaft Dimensions | 40/80 mm length × 12/5 mm diameter (Model 103647) |
| Connector | S7 plug (no cable) |
| Re-fillable | Yes |
| Response Time | <15 s (typical, per ISO 9712) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTixSur |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| Membrane Type | Flat |
| Reference System | Referid® Polymer Electrolyte (Maintenance-Free) |
| Junction Type | Open-Ring |
| Membrane Resistance | < 1 GΩ |
| pH Range | 2–13 |
| Temperature Range | 0–50 °C |
| Shaft Length | 120 mm |
| Shaft Diameter | 12 mm |
| Connector | S7 (Cable Not Included) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| pH Measurement Range | −2.00 to 20.00 |
| pH Resolution | 0.001 |
| mV Resolution | 0.1 mV |
| Display | 7-inch Color Touchscreen |
| Temperature Compensation | Integrated High-Stability Temperature Electrode (Auto/Manual Input) |
| Calibration | Auto-Recognition of Standard Buffers, 1–3 Point Calibration |
| Data Compliance | GLP-Compliant Logging with Audit Trail |
| Enclosure Rating | IP54 |
| Stirring | Built-in Magnetic Stirrer |
| User Management | Multi-Level Access Control |
| Method Storage | Programmable Test Methods with Recall Function |
| Connectivity | USB Host (U-disk), RS232 (Printer/PC), Optional Ethernet |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Regional Category | Domestic (China) |
| Model | P10 |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH) |
| Measurement Accuracy | ±0.02 pH |
| pH Range | -2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Calibration Standards | US/EU Series, NIST Series, and Chinese Standard Buffer Series |
| Display | 7-inch capacitive touchscreen (1024 × 600) |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| mV Range | -1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | 0–100 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Compensation | Manual/Automatic (0–100 °C) |
| Calibration Points | 1–3-point |
| Data Storage | 2000 sets |
| Connectivity | USB 2.0, Bluetooth (optional) |
| IP Rating | IP54 |
| Power Supply | 12 V DC (110–220 V AC, 50–60 Hz adapter) |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Measurement Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 pH |
| pH Accuracy | ±0.002 pH |
| Temperature Compensation | Automatic or Manual (0–100 °C) |
| Calibration | Auto 3-Point with Buffer Recognition (US/EU, NIST, and Chinese Standard Series) |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| mV Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Resolution | 0.1 °C |
| Data Storage | 2000 Sets |
| Connectivity | USB 2.0, Optional Bluetooth Module |
| Display | 7-inch Capacitive Touchscreen (1024 × 600) |
| Enclosure Rating | IP54 |
| Power Supply | 12 V DC (110–220 V AC, 50–60 Hz adapter) |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Operating Environment | 5–40 °C, 5–85% RH |
| GLP Compliance | Full Audit Trail, Timestamped Calibration & Measurement Logs |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | P613 |
| Instrument Type | Portable |
| Parameters Measured | pH & Conductivity (also supports ORP, TDS, Salinity, Resistivity, DO) |
| pH Range | -2.00 to 19.99 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic & Manual (0–50 °C) |
| Calibration Standards | USA (DIN), NIST, and CH buffer series (12 auto-recognized pH standards |
| Conductivity Ranges | 0.00–19.99 μS/cm, 20.0–199.9 μS/cm, 200–1999 μS/cm, 2.00–19.99 mS/cm, 20.0–199.9 mS/cm |
| Conductivity Accuracy | ±1.0% FS (±1.5% FS in extended range) |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| ORP Range | −1999 to +1999 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.01% FS |
| Memory Capacity | 1000 data sets |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions | 360 × 270 × 76 mm |
| Weight | 1.6 kg |
| IP Rating | IP57 |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop (Portable Design) |
| Parameter Type | Single-Parameter (pH) |
| Measurement Accuracy | ±0.01 pH |
| pH Range | –2.00 to 20.00 pH |
| Calibration Standards Supported | US/EU Series, NIST Series, and Chinese National Standard Buffer Series |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| pH Measurement Range | -2.00 to 20.00 pH |
| pH Resolution | 0.1 / 0.01 / 0.001 pH (model-dependent) |
| pH Accuracy | ±0.02 pH (P801), ±0.01 pH (P811/P813) |
| pH Stability | ±0.002 pH/3 h |
| Input Impedance | ≥1×10¹² Ω |
| Input Current | ≤1×10⁻¹² A |
| 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 (5–60 °C), ±0.8 °C (other ranges) |
| Calibration Buffers Supported | NIST, DIN (EU), Chinese GB, and Custom Buffers (13 auto-recognized) |
| Data Storage Capacity | 2000 measurement sets |
| Interface | USB port for data export and PC connectivity |
| Power Supply | 9 V DC / 2 A adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Compliance | GLP-compliant data logging with timestamp, audit trail, and calibration history |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Temperature Compensation | Automatic (0.0–60.0 °C) |
| Calibration Options | NIST, USA/EU, and Chinese Standard Buffer Series |
| Display | 6.5-inch LED |
| Data Storage Capacity | 2000 sets |
| Connectivity | USB 2.0, Bluetooth 4.0, RS-232 |
| Input Impedance | ≥1×10¹² Ω |
| Input Current | ≤2×10⁻¹² A |
| mV Range | −1200.00 to +1999.00 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| IP Rating | IP54 |
| Power Supply | 9 V DC / 2 A adapter (110–220 V AC, 50–60 Hz) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Calibration Buffers Supported | US/EU Series, NIST Series, and Chinese Standard Buffer Series |
| Temperature Compensation | Automatic (0–100 °C) |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Data Storage Capacity | 2000 datasets |
| Interface Options | USB 2.0, Bluetooth (optional) |
| Display | 6.5-inch LED screen |
| IP Rating | IP54 |
| Power Supply | 9 V DC / 2 A adapter (110–220 V AC, 50–60 Hz) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Operating Environment | 5–40 °C, 5–85% RH |
| Brand | Yoke |
|---|---|
| Model | P911 |
| Type | Benchtop pH Meter |
| Parameter Type | Single-parameter (pH/mV/Temperature) |
| pH Range | -2.000 to 19.999 pH |
| pH Resolution | 0.001 / 0.01 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 | 0 to 100 °C |
| Temperature Resolution | 0.1 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Calibration | 1–3 point, auto-buffer recognition (US/EU, NIST, and Chinese standard buffer series) |
| Data Storage | 2000 sets |
| Connectivity | USB 2.0 port, optional Bluetooth module for wireless printing and data transmission |
| GLP Compliance | Yes |
| IP Rating | IP54 |
| Power Supply | 9 V DC, 2 A (110–220 V AC, 50–60 Hz adapter) |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Brand | Yoke |
|---|---|
| Model | PHB-8 |
| Type | Pen-Style pH Meter |
| Measurement Range | 0–14 pH |
| Accuracy | ±0.1 pH |
| Electrode | E-300 Combination pH Electrode |
| Power Supply | Three CR2032 Lithium Coin Cells (3 V × 3) |
| Battery Life | >1500 hours (typical continuous operation) |
| Origin | Shanghai, China |
| Manufacturer | Yoke Instrument Co., Ltd. |