Online pH Meter
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| Brand | AMS Alliance |
|---|---|
| Origin | France |
| Model | iCinac |
| Channel Capacity | 16 or 32 simultaneous channels |
| Measurement Parameters | pH, Temperature (°C), Redox Potential (mV) |
| Power Supply | 110–220 V AC ±15%, 50–60 Hz |
| Dimensions | 510 × 450 × 300 mm (L × W × H) |
| Weight | 11–13 kg |
| Sensor Interface | Digital ISM-compatible multiparameter electrodes (pH/T/Redox) with embedded calibration memory |
| Data Output | 32 configurable outputs (digital + dual analog: 0–10 V / 4–20 mA) |
| Software | iCINAC v5.x with real-time compensation, audit trail, and GLP-compliant data logging |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported Industrial Online pH/ORP Sensor |
| Model | AnalogPlus pH/ORP |
| Pricing | Upon Request |
| Brand | Apure |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | A10PR-A |
| Measurement Range | pH 0.00–14.00 |
| ORP | −1999 to +1999 mV |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH / ±1 mV |
| Temperature Compensation | 0–100 °C (manual, PT1000, or NTC10K) |
| Dimensions | 96 × 96 × 132 mm (H × W × D) |
| Power Supply | AC 220 V or DC 24 V |
| Power Consumption | ≤5 W |
| Environmental Operating Range | 0–60 °C, ≤85% RH |
| Output | Dual isolated 4–20 mA outputs (configurable for pH/ORP and temperature) |
| Relay Outputs | Two programmable SPST relays (3 A / 250 V AC, NO contact), adjustable hysteresis |
| Stability | ≤0.02 pH/24 h |
| Mounting Cutout | 92.5 × 92.5 mm |
| Brand | APURE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | A10PR-AA1 |
| Price | USD 70 (FOB) |
| pH Range | 0.00–14.00 pH |
| ORP Range | −2000 to +2000 mV |
| Resolution | 0.01 pH, 1 mV, 0.1 °C |
| Accuracy | ±0.01 pH, ±1 mV, ±0.2 °C |
| Dimensions | 96 × 96 × 132 mm (H × W × D) |
| Temperature Compensation | Automatic (PT1000/NTC10K) or Manual (0–100 °C) |
| Output | Dual isolated 4–20 mA outputs (configurable for pH/ORP and temperature, max load 500 Ω) |
| Relay Outputs | Two programmable SPDT relays (3 A / 250 V AC, NO contact), adjustable hysteresis |
| Power Supply | AC 220 V ±10% or DC 24 V ±10%, ≤5 W |
| Operating Environment | 0–60 °C, ≤85% RH (non-condensing) |
| Panel Cutout | 92.5 × 92.5 mm |
| Brand | APURE |
|---|---|
| Model | A10PR-SA1-CCEP |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Measurement Range | pH 0.00–14.00 |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation | 0–100 °C (Manual / PT1000 / NTC10K) |
| Output | Isolated 4–20 mA (pH or temperature selectable) |
| Communication | MODBUS RTU (RS-485) |
| Relay Outputs | 2 × SPDT, 3 A / 250 V AC, programmable high/low setpoints with adjustable hysteresis |
| Power Supply | AC 220 V, ≤7 W |
| Dimensions | 96 mm (H) × 96 mm (W) × 132 mm (D) |
| Panel Cutout | 92.5 mm × 92.5 mm |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Data Logging | Real-time pH trend + 30-event relay alarm history |
| User Interface | Dual-language (Chinese/English), menu-guided navigation |
| Security | Password-protected configuration access |
| Brand | Apure |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | A11PR-AA1 |
| Price | USD 70 (FOB Shanghai) |
| Measurement Range | pH: 0.00–14.00 |
| ORP | −2000 to +2000 mV |
| Resolution | 0.01 pH, 1 mV, 0.1 °C |
| Accuracy | ±0.01 pH, ±1 mV, ±0.2 °C |
| Dimensions | 96 mm (H) × 96 mm (W) × 128 mm (D) |
| Brand | APURE |
|---|---|
| Model | A20PR-AA1 |
| Measurement Range | pH 0.00–14.00 |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation | 0–100 °C (manual, PT1000, or NTC10K) |
| Output | Isolated 4–20 mA (dual optional), RS-485 Modbus RTU (optional) |
| Relay Outputs | 2 configurable SPDT relays (3 A/250 VAC), including self-cleaning function |
| Power Supply | AC 220 V or DC 24 V |
| Enclosure Dimensions | 144 × 144 × 115 mm (H × W × D) |
| Panel Cutout | 138 × 138 mm |
| Stability | ≤0.02 pH/24 h |
| Operating Environment | 0–60 °C |
| Power Consumption | ≤5 W |
| Brand | APURE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Model | A30PR-AA1 |
| Price | USD 55 (FOB) |
| pH Range | 0.00–14.00 |
| ORP Range | −1999 to +1999 mV |
| pH Resolution | 0.01 |
| ORP Resolution | 1 mV |
| pH Accuracy | ±0.01 |
| ORP Accuracy | ±1 mV |
| Temperature Compensation | 0–100 °C (Manual / Automatic with PT1000 or NTC10K sensor) |
| Stability | ≤0.02 pH/24 h |
| Output | Isolated 4–20 mA (max. load 500 Ω) |
| Relay Output | 1 × SPDT, 3 A / 250 V AC (configurable high/low alarm with adjustable hysteresis) |
| Display | Custom segment LCD |
| Power Supply | AC 220 V ±10% or DC 24 V ±10% |
| Power Consumption | ≤15 W |
| Operating Environment | 0–60 °C, ≤85% RH (non-condensing) |
| Dimensions (H×W×D) | 48×96×110 mm |
| Panel Cutout | 42×90 mm |
| Brand | APURE |
|---|---|
| Model | BT-280 |
| Measurement Range | pH 0.00–14.00 |
| Resolution | 0.01 pH |
| Accuracy | ±1% FS ±1 digit |
| Temperature Compensation | 0–100 °C (manual, PT1000, or NTC10K) |
| Output | Isolated 4–20 mA (configurable for pH, ORP, or temperature |
| Relay Outputs | 2 SPST relays (3 A / 250 VAC, NO contact |
| Power Supply | AC 220 V ±10% or DC 24 V ±10% |
| Dimensions | 96 × 96 × 110 mm (H × W × D) |
| panel cutout | 91 × 91 mm |
| Operating Environment | 0–50 °C |
| Stability | ≤0.1 pH/24 h |
| Brand | Apure |
|---|---|
| Model | RP-3000 |
| Measurement Range | pH 0–14, ORP −1999 to +1999 mV |
| Resolution | 0.01 pH, 1 mV |
| Accuracy | ±0.01 pH, ±1 mV |
| Temperature Compensation | 0–100 °C (manual/automatic with PT1000 sensor) |
| Output | Dual isolated 4–20 mA (pH and ORP configurable) |
| Relay Outputs | 2 SPDT relays (configurable high/low alarm for pH or ORP) |
| Display | 800×480 IPS color LCD |
| Enclosure Rating | IP65 |
| Dimensions | 144×144×115 mm (H×W×D) |
| Power Supply | AC 100–240 V, ≤5 W |
| Operating Environment | 0–60 °C, ≤85% RH |
| Calibration | Manual 2- or 3-point using standard buffers (pH 4.00, 6.86, 7.00, 9.18, 10.00) |
| Stability | ≤0.02 pH/24 h, ≤3 mV/24 h |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | ACID 181 |
| Measurement Range | 0.00–18.00 g/100mL (as acetic acid) |
| Resolution | 0.01 g/100mL |
| Accuracy | ±0.05 g/100mL |
| Automatic Temperature Compensation Range | 10–30°C |
| Dimensions | Approx. 180 × 70 × 35 mm |
| Weight | Approx. 0.15 kg |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | PAL-79S (T.A.1990) |
| Measurement Range | 0.0–45.0% w/w (Brix or alcohol-related scale) |
| Resolution | 0.2% |
| Accuracy | ±0.4% |
| Dimensions | Compact handheld form factor |
| Weight | 200 g |
| Compliance | Designed for beverage QC per ISO 2173, AOAC 932.12, and industry-specific fermentation standards |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | PAL-PH Micro-Sample pH Meter with Smooth Glass Electrode and High-Quality Chip Sensor |
| Measurement Range | pH 0.00–14.00 |
| Resolution | ±0.10 pH, ±1 °C |
| Accuracy | ±0.1 pH |
| Connectivity | NFC (NDEF-compliant data exchange) |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | CS1728D |
| pH Range | 0–12 |
| Zero Point | 7.00 ± 0.25 |
| Resolution | 0.01 pH |
| Temperature Range | 0–80 °C |
| Max Pressure | 10 bar |
| Body Material | PPS/PP |
| Sensing Membrane | W28 hemispherical glass |
| Membrane Resistance | < 500 MΩ |
| Reference System | SNEX Ag/AgCl/KCl solid-state double-junction |
| Liquid Junction | SNEX dual-salt bridge |
| Threaded Connection | NPT 3/4" |
| Cable Length | 5 m |
| Output Interface | RS-485 Modbus RTU |
| Supply Voltage | DC 12 V |
| IP Rating | IP68 |
| Brand | CLEAN Instruments |
|---|---|
| Origin | Taiwan |
| Model | CS1753 |
| Construction | Rugged PPS Body with SNEX Solid-State Junction |
| Pressure Rating | Up to 20 bar (CS1768-hp variant) |
| Temperature Compensation | Built-in Pt1000 RTD |
| Electrolyte System | Dual-ceramic porous junction + red SNEX solid-state liquid junction |
| Compatible Media | Wastewater, seawater, brine, caustic solutions (NaOH/KOH), crude oil emulsions, desulfurization slurry, low-conductivity water (<50 µS/cm), HF-containing streams (<1000 ppm), sulfide-rich environments |
| Output Signal | Analog mV (pH/ORP) + PT1000 resistance |
| Electrical Grounding | Integrated shielded grounding terminal |
| Compliance | Designed for continuous operation in ISO/IEC 17025-aligned QC labs and EPA-compliant wastewater treatment plants |
| Certifications | RoHS, CE (EMC Directive 2014/30/EU) |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | CS1768 |
| pH Range | 0–14 |
| Temp. Range | 0–90 °C |
| Max. Pressure | 20 bar (@50 °C) |
| Junction Type | SNEX Solid-State Ag/AgCl/KCl |
| Housing Material | PPS or PA+GF |
| Temperature Sensor | Pt1000 (standard), Pt100 / NTC10K (optional) |
| Thread | NPT 3/4" or PG13.5 |
| Cable | 5 m coaxial with BNC connector |
| Sensitive Bulb Type | B11 |
| Output Compatibility | Designed for CLEAN PH3000 transmitter |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | CS1768-hp |
| Pressure Rating | 0–20 bar (@ 50 °C) |
| pH Range | 0–14 |
| Temperature Range | 0–90 °C |
| Liquid Junction | SNEX Solid-State Ag/AgCl/KCl Reference System |
| Housing Material | PPS (Polyphenylene Sulfide) |
| Thread | NPT 3/4″ (wet end & dry end) |
| Cable | 5 m coaxial with BNC connector |
| Temperature Sensor Options | Pt1000 / Pt100 / NTC10K |
| Output | 4–20 mA (pH/ORP + temperature, two-wire, passive) |
| IP Rating | IP65 |
| Compliance | Designed for continuous industrial process monitoring per IEC 61508 functional safety principles (SIL2-capable when integrated with certified controllers) |
| Brand | CLEAN |
|---|---|
| Model | CS1778D |
| Output | RS-485 (Modbus RTU) |
| pH Range | 0–14 |
| Temp. Range | 0–90 °C |
| Max. Pressure | 20 bar @ 50 °C |
| Housing | PPS |
| Thread | NPT 3/4″ |
| Liquid Junction | SNEX solid-state electrolyte membrane |
| Reference System | SNEX Ag/AgCl/KCl |
| Sensing Membrane | B11 glass |
| Temperature Sensor | Pt1000 / Pt100 / NTC10K (field-selectable) |
| Cable | 5 m coaxial, BNC termination |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | CS1788 |
| pH Range | 0–14 |
| Temperature Range | 0–90 °C |
| Pressure Rating | 0–20 bar (@50 °C) |
| Reference System | SNEX Ag/AgCl/KCl |
| Liquid Junction | SNEX solid-state membrane with dual ceramic pores |
| Sensing Bulb | W02 low-ionic-strength optimized glass |
| Body Material | PPS (polyphenylsulfone) |
| Thread | NPT 3/4" |
| Cable | 5 m coaxial, BNC connector |
| Temperature Sensor Options | Pt1000 / Pt100 / NTC10K |
| Output | 4–20 mA (pH/ORP & temperature, 2-wire, passive) |
| Accuracy | ±0.01 pH / ±1 mV / ±0.3 °C |
| Input Impedance | ≥10¹² Ω |
| Protection Rating | IP65 |
| Mounting | Panel-mount with dual clamp fixation |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | DPH-10PT |
| pH Range | -2.00 to 20.00 pH |
| Resolution | 0.01/0.1 pH |
| Accuracy | ±0.02 pH |
| Temperature Compensation | Manual/Automatic (0–100 °C) |
| Dimensions | 215 × 170 × 40 mm |
| Weight | 0.6 kg |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temp. Accuracy | ±0.5 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤1 × 10⁻¹² A |
| Stability | ±0.01 pH / 3 h |
| Data Storage | 300 sets |
| Interface | USB 2.0, micro-USB, optional Bluetooth module |
| IP Rating | IP54 |
| GLP Compliance | Yes |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | FJA-04 |
| Price | USD 410 (FOB) |
| Enclosure Rating | IP65 |
| Output Options | 4–20 mA / 0–1400 mV |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH ±1 digit (at 25 °C) |
| Input Impedance | >10¹² Ω |
| Temperature Compensation | Automatic (NTC 10 kΩ, 25 °C nominal) |
| Installation | Panel-mount (92.7 × 92.7 mm cutout), wall-mount compatible |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | B sens140T |
| Measuring Range | 0–14 pH |
| Operating Temperature | −5 to 100 °C |
| Reference Electrode | Ag/AgCl Cartridge |
| Temperature Sensor | PT1000 |
| Max. Pressure | 6 bar |
| Electrode Body Material | Glass |
| Electrolyte | Gel-filled |
| Junction | Triple Ceramic Porous Diaphragm |
| Glass Membrane | S-glass |
| Minimum Immersion Depth | 20 mm |
| Zero Point | 0 ± 20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4–7) | < 30 s |
| Thread Size | PG13.5 |
| Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | Bsen s140T |
| Price Range | USD 1,400 – 4,200 |
| Measurement Range | 0–14 pH |
| Operating Temperature | −5 to 100 °C |
| Reference Electrode | Ag/AgCl Cartridge |
| Temperature Sensor | PT1000 |
| Max. Pressure | 6 bar |
| Electrode Body Material | Glass |
| Electrolyte | Gel-Filled |
| Junction | Triple Ceramic Porous Junction |
| Glass Membrane | S-Glass |
| Minimum Immersion Depth | 20 mm |
| Zero Point | ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4–7) | <30 s |
| Process Connection | PG13.5 |
| Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Imported |
| Model | Bsens120T |
| Measurement Range | pH 0–14 |
| Temperature Range | −5 to 100 °C |
| Max. Operating Pressure | 6 bar |
| Electrode Body Material | S-Glass |
| Reference System | Ag/AgCl Cartridge |
| Electrolyte | Polymer Gel |
| Electrical Impedance | ≤300 Ω at 25 °C |
| Electrode Length | 120 mm |
| Electrode Diameter | 12 mm |
| Connection Thread | PG13.5 |
| Membrane Type | S-Glass |
| Minimum Immersion Depth | 20 mm |
| Zero Point | 0 ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 150 μS/cm |
| Response Time (pH 4–7) | <30 s |
| Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | Bsens120T |
| Price Range | USD 850 – 1,420 |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Imported |
| Model | Bsens130 |
| Operating Temperature Range | −5 °C to 135 °C |
| Pressure Rating | 6 bar |
| pH Measurement Range | 0–14 |
| Electrode Body Material | Glass |
| Reference System | Ag/AgCl Cartridge |
| Junction Type | Dual-Pore Polymer Diaphragm |
| Electrolyte | Solid-State Polymeric Gel |
| Electrode Resistance | ≤300 Ω at 25 °C |
| Zero Point | 0 ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 50 μS/cm |
| Response Time (pH 4.7) | <30 s |
| Immersion Depth | ≥20 mm |
| Connector | S8 (PG13.5) |
| Sensing Membrane | H-Glass |
| Cable | Not Included |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Industrial Online pH Sensor |
| Model | Bsens140T |
| Output Signals | Dual 4–20 mA, RS485 Modbus RTU |
| Operating Temperature | −5 to 100 °C |
| pH Measurement Range | 0–14 pH |
| Reference Electrode | Ag/AgCl Cartridge |
| Temperature Sensor | PT1000 |
| Max. Process Pressure | 6 bar |
| Electrode Body Material | Lab-Grade Glass |
| Electrolyte | Polymer-Gel Filled |
| Junction | Triple Ceramic Porous Diaphragm |
| pH Glass Membrane | S-Type Low-Drift Glass |
| Minimum Immersion Depth | 20 mm |
| Zero Point Offset | ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4–7) | <30 s |
| Process Connection | PG13.5 Metric Thread |
| Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported |
| Model | Bsens 140T |
| Measurement Range | 0–14 pH |
| Operating Temperature | −5 to 100 °C |
| Reference Electrode | Ag/AgCl Cartridge |
| Electrode Body Material | Glass |
| Electrolyte | Polymer-Gel Electrolyte |
| Junction | Triple Ceramic Porous Junction |
| pH-Sensing Membrane | S-Type Low-Resistance Glass |
| Integrated Temperature Sensor | PT1000 |
| Maximum Process Pressure | 6 bar |
| Minimum Immersion Depth | 20 mm |
| Zero Potential | ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4–7) | <30 s |
| Process Connection | PG13.5 |
| Standard Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Industrial pH Sensor |
| Model | Bsens140T |
| Measuring Range | 0–14 pH |
| Operating Temperature | −5 to 100 °C |
| Reference Electrode | Ag/AgCl Cartridge System |
| Integrated Temperature Sensor | PT1000 |
| Max. Process Pressure | 6 bar |
| Electrode Body Material | Chemically Resistant Glass |
| Electrolyte | Polymer-Gel Electrolyte (Low-Flow, Maintenance-Free) |
| Junction | Triple Ceramic Porous Junction |
| pH-Sensing Membrane | S-Type High-Resistance Glass |
| Minimum Immersion Depth | 20 mm |
| Asymmetry Potential (Zero Point) | ±20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4 → 7) | <30 s |
| Process Connection | PG13.5 Metric Thread |
| Cable Length | 5 m |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | Bsens140T |
| Measuring Range | 0–14 pH |
| Operating Temperature | −5 to 100 °C |
| Reference Electrode | Ag/AgCl Cartridge |
| Temperature Sensor | PT1000 |
| Max. Pressure | 6 bar |
| Electrode Body Material | Glass |
| Electrolyte | Gel Electrolyte |
| Junction | Triple Ceramic Porous Junction |
| Glass Membrane | S-Glass |
| Minimum Immersion Depth | 20 mm |
| Zero Point | 0 ± 20 mV |
| Sensitivity | 57–59 mV/pH at 25 °C |
| Minimum Sample Conductivity | 0.1 µS/cm |
| Response Time (pH 4–7) | < 30 s |
| Thread Size | PG13.5 |
| Cable Length | 5 m |