pH Meter
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| Brand | Eutech Instruments |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | Eutech 1700 Series Benchtop Water Quality Analyzer |
| Form Factor | Benchtop |
| Measurement Parameters | pH, Conductivity, Dissolved Oxygen (DO) |
| Display | Large Backlit LCD |
| Data Output | USB and RS232 |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Warranty | Standard 2-year limited warranty |
| Brand | Thermo Fisher |
|---|---|
| Origin | Singapore |
| Manufacturer | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Expert pH |
| Instrument Type | Pen-style |
| Parameter Type | Single-parameter (pH) |
| Measurement Accuracy | ±0.1 pH |
| pH Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Calibration Standard | NIST-traceable buffer solutions |
| Temperature Range | 0.0–50.0 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C + 1 LSD |
| Calibration Points | 1–3-point auto-recognized |
| ATC | Yes |
| IP Rating | IP67 |
| Auto-off | 8.5 min idle |
| Power | 4 × A76/LR44 batteries |
| Operating Temp. | 5–45 °C |
| Dimensions | 170 × 45 × 30 mm (L×W×H) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | Singapore |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Portable Pen-Style pH Meter |
| Model | EXPERTPH |
| Measurement Parameters | pH and Temperature (°C/°F) |
| pH Range | 0.0–14.0 |
| pH Resolution | 0.1 pH |
| pH Accuracy | ±0.1 pH |
| Temperature Range | 0.0–50.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C ±1 LSD |
| Calibration Points | 1–3 point auto-buffer recognition |
| ATC | Yes |
| Auto-Off | 8.5 min inactivity |
| Power Supply | 4 × A76/LR44 batteries |
| Operating Temperature | 5–45 °C |
| IP Rating | IP67 |
| Dimensions | 170 × 45 × 30 mm (L×W×H) |
| Calibration Standard | NIST-traceable buffers |
| Brand | Eutech |
|---|---|
| Origin | USA |
| Model | pH 6+ |
| Instrument Type | Portable |
| Parameter Types | Dual (pH & ORP/mV) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.01 |
| ORP Range | ±1000.0 mV |
| ORP Resolution | 0.1 mV (±199.9 mV), 1 mV (>±199.9 mV) |
| ORP Accuracy | ±0.2 mV (≤±199.9 mV), ±2 mV (>±199.9 mV) |
| Temperature Range | 0.0–100.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration Points | Up to 3-point |
| Buffer Recognition | Automatic (USA, NIST, PWB) |
| Temperature Compensation | Auto/Manual (0.0–100.0 °C) |
| Display | Dual-line LCD (4.5 × 2.3 cm) |
| Power | 4 × 1.5 V AAA alkaline batteries |
| Battery Life | >500 hours |
| Dimensions (unit) | 15.7 × 8.5 × 4.2 cm |
| Weight (unit) | 255 g |
| Auto-Off | 20 min inactivity |
| Input Connectors | BNC + 2.5 mm phono sockets |
| Origin | USA |
|---|---|
| Supplier Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 3-Star 310P-01 |
| Pricing | Upon Request |
| pH Range | –2.000 to 19.999 |
| pH Resolution | 0.1 / 0.01 / 0.001 |
| pH Accuracy | ±0.001 |
| Calibration Points | 1–5-point, with US/NIST, DIN, and user-defined buffers |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1 mV or ±0.05% (whichever is greater) |
| Temperature Range | –5 to 105 °C |
| Temperature Resolution | 0.1 °C (–5 to 99.9 °C), 1.0 °C (>99.9 °C) |
| Temperature Accuracy | ±0.1 °C |
| Temperature Compensation | Automatic or manual |
| Display | Backlit LCD |
| Electrode Interfaces | pH–BNC, Temperature–miniDIN, Stirrer–phone jack |
| Communication | Bidirectional RS232, optional USB cable |
| Data Storage | 200 GLP-compliant readings |
| Calibration History | Last 10 calibrations |
| Method Storage | 10 password-protected methods |
| Self-Diagnostic Function | Yes |
| Firmware Upgrade | Network-enabled via PC software |
| Power | 4×AA batteries + universal AC adapter (benchtop) |
| Certifications | CE, CSA, UL, TÜV, FCC Class A |
| Operating Environment | 5–45 °C, 5–85% RH |
| Enclosure Rating | IP54 (benchtop) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 3-Star 310P-02 |
| Pricing | Upon Request |
| pH Range | –2.000 to 19.999 |
|---|---|
| pH Resolution | 0.1 / 0.01 / 0.001 |
| pH Accuracy | ±0.001 |
| Calibration Points | 1–5 (US/NIST, DIN, Custom) |
| mV Range | ±1999.9 |
| mV Resolution | 0.1 |
| mV Accuracy | ±0.1 mV or ±0.05% (whichever is greater) |
| Temperature Range | –5 to 105 °C |
| Temp Resolution | 0.1 °C (–5 to 99.9 °C), 1.0 °C (>99.9 °C) |
| Temp Accuracy | ±0.1 °C |
| Temp Compensation | Auto/Manual |
| Display | Backlit LCD |
| Electrode Interfaces | pH–BNC, Temp–miniDIN, Stirrer–phone jack (benchtop only) |
| Communication | Bidirectional RS232, optional USB cable |
| Data Storage | 200 GLP-compliant entries |
| Calibration History | Last 10 calibrations |
| Method Storage | 10 password-protected methods |
| Self-Test | Yes |
| Firmware Upgrade | Network-enabled |
| Power | 4×AA batteries + optional universal AC adapter (benchtop) |
| Certifications | CE, CSA, UL, TÜV, FCC Class A |
| Operating Environment | 5–45 °C, 5–85% RH |
| IP Rating | Portable—IP67 |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 320P-06 |
| Pricing | Available Upon Request |
| Origin | Singapore |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | A111 (Benchtop), A121 (Portable) |
| Instrument Type | Benchtop & Portable |
| Parameter Type | Single-Parameter (pH/mV/Temp) |
| pH Accuracy | ±0.01 |
| pH Range | –2.00 to 16.00 |
| pH Resolution | 0.1 / 0.01 |
| mV Range | ±1600.0 mV (mV), ±1999.9 mV (RmV) |
| mV Resolution | 0.1 |
| mV Accuracy | ±0.1 mV |
| Temperature Range | –5 to 105 °C |
| Temp Resolution | 0.1 °C |
| Temp Accuracy | ±0.1 °C |
| Calibration Points | Up to 3-point pH |
| Buffer Recognition | USA, NIST, DIN |
| Data Storage | 50 entries (manual/auto) |
| Input Interfaces | BNC (pH electrode), 8-pin mini-DIN (ATC probe) |
| Power | 4 × AA alkaline batteries or universal 100–240 V AC adapter |
| IP Rating | IP54 (A111), IP67 (A121) |
| Origin | Singapore |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | A211 (Benchtop), A221 (Portable) |
| Instrument Type | Benchtop pH Meter |
| pH Range | –2.000 to 20.000 |
| pH Resolution | 0.1 / 0.01 / 0.001 |
| pH Accuracy | ±0.001 |
| mV/RmV Range | ±2000.0 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1 mV |
| Temperature Range | –5 to 105 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.1 °C |
| Calibration Points | Up to 5 (pH) |
| Calibration Edit | Yes (A211 only) |
| Data Storage | 2000 entries (A211), 1000 entries (A221), GLP-compliant |
| Record Modes | Manual, Auto, Timed Interval (A211) |
| Input | BNC pH electrode, 8-pin mini-DIN ATC probe |
| Output | RS232, USB |
| Power | AC adapter (100–240 V AC) or 4 × AA batteries |
| IP Rating | IP54 (A211), IP67 (A221) |
| Origin | Singapore |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | A214 (Benchtop), A324 (Portable) |
| Instrument Type | Benchtop / Portable Multiparameter Electrochemical Analyzer |
| Parameter Types | pH, mV/RmV, ISE (Ion Concentration), Temperature |
| pH Range | –2.000 to 20.000 |
| ISE Range | 0–19999 (unitless or in ppm, mg/L, M, %, ppb) |
| pH Resolution | 0.001 |
| ISE Resolution | Up to 4 significant digits |
| pH Accuracy | ±0.001 |
| mV Accuracy | ±0.1 mV |
| Temperature Range | –5 to 105 °C (RDO mode: 0–50 °C) |
| Temperature Accuracy | ±0.1 °C |
| Data Storage | 2000 (A214), 5000 (A324) GLP-compliant records |
| Calibration Points | Up to 6 (pH/ISE), up to 5 (portable) |
| Compliance | GLP, ASTM D1293, ISO 10523, USP <791>, FDA 21 CFR Part 11 (via optional software audit trail) |
| Origin | Singapore |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | A321 |
| Instrument Type | Portable |
| Parameter Types | Dual (pH/mV) |
| Measurement Range | -2.000 to 20.000 |
| Resolution | 0.1 / 0.01 / 0.001 |
| Accuracy | ±0.001 |
| Calibration Buffer Recognition | Auto-detect (USA/NIST/DIN) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Line | Orion Star LogR Series |
| Model | LogR |
| Measurement Principle | Potentiometric pH with integrated LogR temperature sensing via pH electrode membrane resistance |
| pH Range | –2.000 to 19.999 |
| Resolution | 0.001 pH (selectable) |
| Accuracy | ±0.002 pH |
| Calibration Points | 1–5-point, auto-buffer recognition (USA/NIST, EURO/DIN) |
| mV Range | ±1999.9 mV |
| mV Accuracy | ±0.2 mV or ±0.05% of reading, whichever is greater |
| Temperature Range | 0–100 °C (manual or LogR-compensated) |
| LogR Temp Accuracy | ±0.1 °C (10–100 °C) |
| Resistance Range | 0–6000 MΩ |
| Resistance Resolution | 0.1 MΩ (<2000 MΩ), 1 MΩ (≥2000 MΩ) |
| Data Storage | 1000 readings with timestamp |
| Interface | RS232 |
| Compliance | Designed for GLP/GMP environments |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Capability | Multi-parameter |
| pH Measurement Range | 0.0–14.0 pH |
| Resolution | ±0.1 pH |
| Accuracy | ±0.1 pH |
| Calibration Standard Compatibility | NIST-traceable (China Edition) / USA NIST-equivalent (International Edition) |
| Display | 128×64 Dot Matrix LCD (Chinese UI) |
| Analog Outputs | Selectable 0–10 mA, 0–20 mA, or 4–20 mA |
| Signal Acquisition | 24-bit A/D Conversion |
| Data Storage | Cyclic Memory with Auto-Overflow Management |
| Electrode Construction | Corrosion-Resistant Electrochemical Sensor |
| Brand | Timepower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop |
| Parameter Types | pH, Temperature, Time, Status |
| pH Measurement Range | 0.0 to 14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Precision | 0.001 pH (display resolution) |
| Calibration Standards | NIST-traceable (China version) / USA NBS-type (International version) |
| Display | 5.0-inch color TFT touchscreen |
| Data Storage | Cyclic memory with >10-year non-volatile retention |
| Compensation | Automatic temperature compensation (ATC) |
| Compliance | Designed for GLP-compliant lab environments |
| Power Supply | AC adapter (100–240 VAC, 50/60 Hz) |
| Brand | TimePower |
|---|---|
| Model | TP110 |
| Type | Online (Process) pH Meter |
| Form Factor | Panel-Mount / Wall-Mountable Transmitter |
| Measurement Parameters | pH and Temperature |
| pH Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Repeatability | ≤1% |
| Input Impedance | >1×10¹² Ω |
| Temperature Sensor | Pt1000 |
| Temp. Measurement Range | 0.0–99.9 °C |
| Automatic Temperature Compensation (ATC) Range | 0.1–60.0 °C |
| Sample Temp. Operating Range | 5–60 °C |
| Ambient Temp. Operating Range | 5–45 °C |
| Humidity Limit | ≤90% RH (non-condensing) |
| Storage Temp. | −25–+55 °C |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Power Consumption | <5 W |
| Output Signals | 0–10 mA / 0–20 mA / 4–20 mA (selectable, galvanically isolated) |
| Relay Outputs | 2 SPST (AC 220 V / 3 A or DC 30 V / 3 A), user-configurable |
| Enclosure Rating | IP65 |
| Display | 128×64 dot-matrix LCD, Chinese interface |
| Data Storage | Cyclic memory with >10-year retention after power loss |
| Mounting Options | Panel cutout (138×138 mm), wall-mount, or rack-mount |
| Electrode Interface | Compatible with flow-through, immersion, flanged, and pipe-threaded pH electrodes |
| Standard Electrodes | TP110-001 (ultrapure water), TP110-002 (general-purpose), TP110-003 (wastewater), TP110-004 (high-temp), TP110-005 (flat-surface), TP110-006 (wastewater reference) |
| Calibration | Two-point calibration using standard buffer solutions (e.g., pH 4.00, 6.86, 9.18) |
| Dimensions (H×W×D) | 155×142×125 mm |
| Weight | 1.6 kg |
| Brand | Timepower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TP210 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (pH) |
| Measurement Accuracy | ±0.02 pH |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Calibration Standard | NIST-traceable buffer solutions |
| Temperature Compensation Range | 0–60 °C (Pt1000 sensor) |
| Input Impedance | ≥1 × 10¹² Ω |
| Repeatability | ≤1% |
| Stability | ±1% F.S./4 h |
| Response Time (T90) | <1 min at 25 °C |
| Operating Temperature | 5–45 °C |
| Sample Temperature Range | 5–60 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Storage/Transport Temperature | −25–55 °C (electrode must be stored >0 °C) |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤0.5 W |
| Dimensions | 80 × 30 × 175 mm |
| Weight | 0.26 kg |
| Display | 128 × 64 dot-matrix LCD with Chinese interface |
| Data Storage | Cyclic memory with auto-overflow management and >1-year power-loss retention |
| Battery Life | Up to 8 hours continuous operation after full charge |
| Brand | Timepower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Regional Category | Domestic (China) |
| Model | TP311 |
| Instrument Type | Benchtop |
| Parameter Capability | Multi-parameter |
| Measurement Accuracy | ±0.02 pH |
| pH Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Calibration Standard | NIST-traceable buffer solutions |
| Input Impedance | ≥1 × 10¹² Ω |
| Repeatability | ≤1% |
| Stability | ±1% F.S./4 h |
| Response Time (T90) | <1 min at 25 °C |
| Temperature Compensation Range | 0–60 °C |
| Temperature Sensor | Pt1000 |
| Operating Temperature | 5–60 °C (sample), 5–45 °C (ambient) |
| Relative Humidity | ≤90% RH (non-condensing) |
| Storage/Transport Temp | −25–55 °C (electrode excluded |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤5 W |
| Dimensions | 200 × 200 × 85 mm |
| Weight | 2.1 kg |
| Display | 5.0-inch color touchscreen LCD with Chinese UI |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | AM40 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (Dissolved Oxygen & Temperature) |
| Sensor Principle | Polarographic (Clark-type) with Pt cathode and Ag/AgCl anode |
| Polarization Voltage | 700 mV |
| Measurement Outputs | mg/L O₂ and % saturation |
| Display | Backlit LCD |
| Calibration | Automatic air-saturation calibration |
| Data Storage | 4,000 measurement sets with min/max tracking |
| Compliance | GLP-compliant data logging |
| Protection Rating | IP65 |
| Interface | USB for PC connectivity and software-assisted data export |
| Application Scope | Surface water, wastewater, sewage treatment, composting, irrigation monitoring |
| Regulatory Alignment | Designed to support ISO 5814, ASTM D888, and EN 25814 methodologies |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | F 800DIN |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter |
| Electrode Series | 800 Series ISE |
| Measured Ion | Fluoride (F⁻), also compatible with Al³⁺, PO₄³⁻, Li⁺ |
| pH Range | 5–7 |
| Internal Reference Electrode | Integrated Ag/AgCl |
| Membrane Type | Lanthanum Fluoride (LaF₃) crystalline membrane |
| Calibration Standard | 10 g/L NaF solution |
| Compliance | DIN EN ISO 10304-1, ASTM D1179, EPA Method 300.0 |
| 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 |