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| 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 | 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 |
|---|---|
| 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 | 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 | 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 | 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 | 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 | SM |
|---|---|
| Origin | Germany |
| Model | TM39 |
| Measurement Ranges | pH 0–14, mV −1999 to +1999, Temperature −70 to +250 °C |
| Resolution | 0.01 pH, 1 mV, 0.1 °C |
| Temperature Compensation | Automatic (Pt100) or Manual |
| Calibration | Auto 2-/3-point pH calibration |
| Display | LCD, 2-line × 4-digit |
| Power | 9 V battery (IEC 6F22) |
| Interface | RS-232 (TM39-D variant) |
| Operating Environment | 0–50 °C |
| Dimensions (H×W×D) | 142 × 71 × 26 mm |
| Weight | ~145 g |
| Electrode Connection | BNC (pH/ORP), Mini-DIN (temperature) |
| Compatible Electrode | EGA142/TM39 (pH/Temp composite, Ø12 mm, 120 mm immersion, Pt1000 sensor, Ag/AgCl reference, 3 mol/L KCl gel electrolyte, max. 6 bar) |
| 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 | 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 |
| 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 |
| 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 | 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 | 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 | 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 | 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 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 | 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 |
| 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 |
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