WTW
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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | PC-2200/2300 |
| Particle Size Range | 0.5–100 µm |
| Dimensions | 120 × 355 × 114 mm |
| Weight | 2.7 kg |
| Power Supply | 230 VAC / 50 Hz |
| Sample Vial ID | 15–60 mm inner diameter |
| Vial Material | Optically clear, scratch-free borosilicate glass |
| Calibration Standards | NIST-traceable, argon-sealed polystyrene microsphere suspensions (3 vials), certified stability >10 years |
| Software | SuperCount (real-time particle count, mean diameter, mass distribution, % distribution, standard deviation, TSS estimation) |
| 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 3310 |
| pH Range | –2.000 to 19.999 |
| pH Resolution | 0.001 |
| pH Accuracy | ±0.005 (at 25 °C, for range –2.000–19.999) |
| mV Range | ±2000 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | –5.0 to 105.0 °C |
| Temp. Accuracy | ±0.1 °C |
| Automatic Temperature Compensation (ATC) | Yes |
| Calibration | 1-, 2-, or 3-point with auto-buffer recognition (DIN & NIST) |
| IP Rating | IP66/IP67 |
| Display | 7-segment LCD with large, high-contrast digits |
| Auto-read Delay | 15 s |
| Repeatability | < 0.02 pH |
| Battery Life | Up to 2500 hours (4 × AA alkaline) |
| Power Options | 4 × 1.5 V AA alkaline or 4 × 1.2 V NiMH rechargeable |
| Brand | WTW |
|---|---|
| Origin | USA |
| Distributor Type | Authorized Distributor |
| Product Origin | Imported |
| Model | WTW pH Accessories and Consumables |
| Price Range | USD 280 – 8,500 |
| 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 | pH/ION 7320 |
| Display | Graphical monochrome LCD |
| Input Channels | Dual-channel (pH/ORP + ISE) |
| pH Range | −2.000 to 19.999 |
| pH Accuracy | ±0.005 |
| ORP Range | ±1200.0 mV, ±2500 mV |
| ORP Accuracy | ±0.3 mV, ±1 mV |
| Ion Concentration Units | mg/L, mol/L, mg/kg, ppm, % |
| ISE Calibration | 2–7 points, linear & non-linear methods |
| Temperature Range | −5.0 to +105.0 °C |
| Temp. Accuracy | ±0.1 °C |
| CMC (Continuous Measurement Control) | Yes |
| Memory | 200 manual / 5000 automatic readings |
| Interface | Micro-USB |
| Power | Alkaline batteries or universal AC adapter |
| Dimensions | 190 × 240 × 80 mm (H × L × W) |
| Weight | 0.8 kg (1.0 kg with optional printer) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Instrument Compatibility | photoFlex STD, photoFlex pH, photoFlex Turb, photoLab S6, photoLab S12, photoLab 6100, photoLab 6600, photoLab 7100, photoLab 7600 |
| Test Parameters | COD, Ammonia-N, Total Nitrogen, Total Phosphorus, Heavy Metals (e.g., Cr, Cu, Ni, Zn, Pb) |
| Format | Pre-filled Ready-to-Use Cuvettes & Reagent Kits |
| Calibration & QC | Certified Standard Solutions & Reference Water Samples |
| Regulatory Alignment | Compliant with DIN EN ISO 15586, DIN 38405, DIN 38414, and EPA Method 410.4 (COD), EPA 350.1 (Ammonia), EPA 365.4 (Phosphate) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pHotoFlex pH |
| Wavelength Accuracy | < 2 nm |
| Wavelengths | 436, 517, 557, 594, 610, 690 nm |
| Photometric Range | Absorbance –2.00 to +2.00 A |
| pH Measurement Range | 0.00–16.00 |
| Accuracy | ±0.01 pH |
| Data Storage | 1000 measurement records + 100 user-defined methods |
| Auto-zero | Yes (on power-up) |
| Calibration | 3-point pH calibration |
| Interface | RS232 (USB optional) |
| Protection Rating | IP67 |
| Power Supply | 4 × AA alkaline batteries (≥3000 measurements) or optional rechargeable pack |
| Dimensions | 236 × 86 × 117 mm |
| Weight | 0.6 kg (without batteries) |
| Compliance | cETLus certified |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | pHotoFlex pH |
| Price | ¥28,100 |
| Wavelengths | 436, 517, 557, 594, 610, 690 nm |
| Wavelength Repeatability | ≤0.005 nm |
| Wavelength Accuracy | ±2 nm |
| Photometric Range | −2.000 A to +2.000 A |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pHotoFlex |
| Optical Wavelengths | 436, 517, 557, 594, 610, 690 nm (±2 nm) |
| Photometric Range | Absorbance –0.200 to +2.000 |
| Repeatability | ±0.005 ABS |
| Resolution | 0.001 ABS |
| Measurement Time | 2 s |
| pH Range | –2.00 to +16.00 pH (±0.01 pH) |
| mV Range | –1000 to +1000 mV (±1 mV) |
| Temperature | –5.0 to +100.0 °C (±0.3 °C) |
| Turbidity Mode (pHotoFlex Turb) | IR LED @ 860 nm per DIN EN ISO 7027 |
| Data Storage | 1000 measurement records |
| Interface | RS-232 (AK540/B cable for PC |
| Dimensions | 236 × 86 × 117 mm |
| Weight | 0.6 kg |
| Ingress Protection | IP67 |
| Operating Temp. | 0–50 °C |
| Storage Temp. | –25 to +65 °C |
| Power | 4 × AA 1.5 V alkaline (≈5000 measurements) |
| Optional Accessories | LabStation portable lab platform (251301), LSdata software, SenTix 41 pH electrode, 28 mm and 16 mm cuvettes |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pHotoFlex STD |
| Wavelengths | 436, 517, 557, 594, 610, 690 nm |
| Wavelength Repeatability | ≤ 0.005 nm |
| Wavelength Accuracy | ±2 nm |
| Photometric Range | −2.000 A to +2.000 A |
| Protection Rating | IP67 |
| Dimensions | 236 × 86 × 117 mm |
| Weight | 0.6 kg (without batteries) |
| Power Supply | 4 × AA alkaline batteries (up to 3,000 measurements) |
| Data Storage | 100 measurement sets |
| Interface | RS232 |
| Software Upgrade | Free internet-based method updates |
| User-Defined Methods | Up to 50 |
| Built-in Calibration Curves | >140 pre-programmed for common water quality parameters |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | pHotoFlex Turb |
| Wavelength Range | 436, 517, 557, 594, 610, 690, and 860 nm |
| Wavelength Repeatability | ≤ 0.005 nm |
| Wavelength Accuracy | ±2 nm |
| Photometric Range | −2.000 A to +2.000 A |
| pH Range | −2.00 to +16.00 |
| ORP Range | −1000 to +1000 mV |
| Turbidity Range | 0.01–1100 NTU/FNU |
| Temperature Range | −5 °C to +100 °C |
| Data Storage Capacity | 1000 measurements |
| Protection Rating | IP67 |
| Power Supply | 4 × AA alkaline batteries (≈5000 measurements) |
| Dimensions | 236 × 86 × 117 mm |
| Weight | 0.6 kg (without batteries) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | PhotoLab 6100 (VIS), PhotoLab 6600 (UV-VIS) |
| Optical Design | Pseudo-Double-Beam |
| Wavelength Range | 320–1100 nm (PhotoLab 6100), 190–1100 nm (PhotoLab 6600) |
| Light Source | Tungsten Halogen Lamp (6100), Xenon Flash Lamp (6600) |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 4 nm |
| Absorbance Range | –3.3 to +3.3 A |
| Absorbance Resolution | 0.005 A (at A = 2.0) or 0.5% of reading |
| Photometric Repeatability | ±0.002 A (at A = 1.0) |
| Photometric Accuracy | ±0.003 A (A < 0.600 A), ±0.5% of reading (0.600–2.000 A) |
| Linearity | <1% deviation (0–2.000 A, 340–900 nm) |
| Stray Light | <0.1% (at 340 nm and 408 nm) |
| Cuvette Recognition | Automatic (16 mm round, 10/20/50 mm square) |
| Data Storage | 1000 measurement records, 100 spectra (300–900 nm), 400 dynamic test series (150 values each) |
| Built-in Methods | 200 preprogrammed, 100 user-defined, 20 photometric analysis methods |
| Interface | USB-A (for USB drive, printer, barcode scanner), USB-B (PC connection), RS232 (PC/printer) |
| Compliance | CE, UL, IP30 |
| Operating Temperature | 10–35 °C |
| Dimensions | 404 × 197 × 314 mm (W × H × D) |
| Weight | ~4.5 kg (without power supply) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab 7000 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | Ammonia-N, Volatile Phenols, COD, Heavy Metals |
| Wavelength Range | 190–1100 nm (UV-VIS) |
| Optical Resolution | ±1 nm (typ.), <0.5 nm (FWHM) |
| Photometric Accuracy | ±0.003 E (E < 0.600), ±0.5% (0.600 < E < 2.000) |
| Scan Speed | 700–2000 nm/min |
| Cuvette Compatibility | Automatic barcode recognition for 10 mm, 20 mm, and 50 mm rectangular cuvettes |
| Data Storage | 5,000 measurements, 500 spectra, 400 kinetic curves |
| Built-in Methods | >200 pre-validated methods (incl. free ammonia, CO₂, SAC, color) |
| Software | photolab® Database & Color Library, AQA (Analytical Quality Assurance) tools, GLP-compliant audit trail |
| Interfaces | 1× USB-A, 1× USB-B, 1× Ethernet |
| Power Supply | Universal AC adapter (100–240 VAC) or 12 V DC automotive battery operation |
| Operating Temperature | +10 °C to +35 °C |
| Storage Temperature | −25 °C to +65 °C |
| Dimensions & Weight | 404 × 197 × 314 mm, approx. 4.5 kg |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab 7100 VIS |
| Optical Design | Single-beam |
| Detector | CCD (Charge-Coupled Device) |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | < 0.5 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.01% T |
| Display | 7″ backlit color touchscreen |
| Sample Holders | Auto-identifying 16 mm round, 10/20/50 mm rectangular cuvettes with barcode recognition |
| Data Storage | 5,000 measurement values, 500 spectra, 400 kinetic curves |
| Built-in Methods | >230 preprogrammed test protocols (e.g., free chlorine, nitrate, phosphate, COD) |
| Custom Methods | Up to 1,000 user-defined calibration curves |
| Reagent-Free Tests | >50 methods requiring no chemical reagents |
| Interface | 1× USB-A, 1× USB-B, 1× Ethernet |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab 7600 UV-VIS |
| Optical Design | Single-beam |
| Detector | CCD (Charge-Coupled Device) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±1 nm / <0.5 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.01% T |
| Light Source | Xenon lamp (≥13,000 h operational lifetime) |
| Cuvette Recognition | Automatic barcode-based identification for 10 mm, 20 mm, and 50 mm rectangular cuvettes and 16 mm round cells |
| Data Storage Capacity | 5,000 measurement values, 500 spectra, 400 kinetic curves |
| Built-in Methods | >230 pre-programmed test routines (e.g., free chlorine, nitrate-N, COD, phosphate, SAC, color, CO₂, NH₃-N) |
| Custom Method Support | Up to 1,000 user-defined calibration curves |
| Reagent-Free Testing | Enabled for select parameters (e.g., total COD: 2–75 mg/L, soluble COD: 2–75 mg/L, NO₃-N: 0.1–3.0 mg/L, NO₂-N: 0.1–4.0 mg/L) |
| Software Compliance | Audit-trail enabled, GLP-compliant data handling, FDA 21 CFR Part 11 ready (with optional user authentication module) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab 7600 VIS |
| Optical Design | Pseudo-double-beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Automatic Wavelength Selection | Yes |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±0.003E (for E < 0.600), ±0.5% (for 0.600 < E < 2.00) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab S6 |
| Optical Design | Pseudo-Double-Beam |
| Wavelength Range | 340–690 nm (6 fixed interference filters) |
| Cuvette Compatibility | 16 mm and 28 mm round cuvettes |
| Auto-Method Selection | Yes (AutoSelect) |
| MemoChip Support | Yes |
| Compliance | Designed for ISO/IEC 17025-aligned routine analysis, supports GLP data integrity requirements |
| Software Interface | Standalone operation with on-device method execution and result display |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | photoLab® 7600 UV-VIS |
| Wavelength Range | 190–1100 nm |
| Optical Technology | Dual-beam reference channel with pulsed xenon lamp |
| Measurement Method | OptRF (Optical Reference-Free) for COD and nitrate/nitrite |
| Connectivity | USB, Ethernet, PDF export |
| Software Compliance | GLP-compliant data logging, LIMS-ready export |
| Regulatory Alignment | Designed for ISO 7027, ASTM D1253, DIN 38405-43, USP <85>, EPA Method 410.4 (COD optical correlation), EN ISO 15681-2 (phosphate), EN ISO 10303-2 (nitrate) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Oxi 3315 |
| Instrument Type | Portable Water Quality Analyzer |
| Measurement Principle | Optical (Luminescence-based) Method |
| Measured Parameters | Dissolved Oxygen (DO), pH, ORP, Conductivity, Turbidity |
| Display | Graphical LCD with backlight |
| Calibration | Saturation in air (steam-saturated air), optional external standard |
| Data Storage | 500 manual + 5,000 automatic entries |
| Data Export | CSV or ASCII via mini-USB |
| Power Supply | 4×1.5 V AA alkaline / 4×1.2 V NiMH rechargeable batteries / USB bus power |
| Pressure Compensation | Automatic barometric pressure compensation |
| Sensor Interface | Digital IDS (Intelligent Digital Sensor) interface |
| Compliance | GLP/AQA-compliant data logging with audit trail capability |
| Sensor | FDO 925 optical dissolved oxygen sensor |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SensoLyt 700IQ |
| Measuring Principle | Potentiometric pH/ORP with Built-in FET Pre-amplifier |
| Output | Digital IQ Interface (2-wire, power + data) |
| pH Range | 0.00–14.00 (electrode-dependent) |
| ORP Range | −2000 to +2000 mV |
| Temperature Measurement | NTC, −5 °C to +60 °C, ±0.5 K accuracy |
| Response Time (t₉₉) | <15 s |
| Pressure Rating | Up to 10 bar |
| IP Rating | IP68 |
| Materials | PVC sensor head, 316Ti stainless steel body |
| Cable Length Options | Via SACIQ-7.0 (order separately) |
| Compliance | EN 61326 Class B, FCC Class A, CE, cETLus |
| Lightning Protection | Integrated surge suppression |
| Calibration Modes | CAL TEC AUTO (auto-standard), CAL CON 2P, CAL CON 1P |
| Calibration Validation | Slope −50 to −62 mV/pH, Zero Offset −45 to +45 mV |
| Electrode Compatibility | SensoLyt SEA, SEA-HP, DWA, ECA, PtA |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SensoLyt 700IQ |
| Part Number | 109170 |
| Sensor Type | Intelligent In-Line pH/ORP Electrode with Integrated Preamp & NTC Temperature Sensor |
| Output Signal | 4–20 mA / RS-485 (Modbus RTU) |
| Housing Material | PVDF or Titanium (depending on variant) |
| Pressure Rating | Up to 10 bar (SensoLyt SEA-HP), 6 bar standard |
| Operating Temperature | −5 to +60 °C (standard), up to +80 °C (SEA-HP) |
| IP Rating | IP68 |
| Compliance | EN 61326-1 (EMC), EN 61000-6-2/-6-4, ATEX/IECEx Zone 1 optional |
| Lightning Protection | Integrated transient voltage suppression circuit |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SensoLyt PL |
| Type | Online Water Quality Analyzer |
| Measured Parameters | pH / ORP |
| Output | Digital (IQ protocol) |
| pH Range | 0–14 |
| ORP Range | ±2000 mV |
| Resolution | 0.01 pH / 1 mV |
| Temperature Compensation | Integrated NTC (−5 to +60 °C), optional Pt1000/Pt100 |
| Operating Temperature | 0 to +60 °C (standard), up to +130 °C (CHEMtrac variant) |
| Pressure Rating | 6–12 bar (model-dependent) |
| Enclosure Rating | IP68 |
| Electrode Body Material | Stainless Steel 316L / Titanium + POM (SW variants) |
| Accuracy | ±0.2 pH / ±20 mV |
| Power Consumption | 0.2 W |
| Electrolyte System | Gel/polymer-based, maintenance-free |
| Calibration Data Storage | On-sensor EEPROM (IQ-enabled models) |
| 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 |
| Distribution Status | Authorized Distributor |
| Import Status | Imported |
| Model | SENSORNET Online |
| Price Range | USD 25,000 – 125,000 |
| 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 |