Online pH Meter
Filter
Showing 91–109 of 109 results
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | InPro3250 / InPro3250SG / InPro3250i |
| pH Range | 0–14 (InPro3250), 0–12 (InPro3253) |
| Temperature Range | 0–140 °C (32–284 °F) |
| Max. Process Pressure | 4 bar (58 psi) |
| Reference System | Ceramic junction, Ag/AgCl |
| Optional Features | Silver-ion trap (SG models), Solution Grounding (SG), ISM digital interface, ATEX certification (II 1/2G EEx ia IIC T6/T5/T4/T3), FM/CSA Class I Div 1, IP68 |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | InPro4260 |
| pH Range | 0–14 |
| Temperature Range | 0–130 °C |
| Max. Pressure | 16 bar (25 °C), 8 bar (130 °C) |
| Reference System | XEROLYT® EXTRA polymer-based electrolyte with KCl |
| Junction Type | Open liquid junction |
| Integrated Temperature Sensor | Pt100 or Pt1000 |
| ATEX Certification | II 1/2G EEx ia IIc T6–T3 |
| FM Approval | Class I, II, III |
| IP Rating | IP68 (VP connector) |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | InPro4800 |
| pH Range | 0–14 |
| Temperature Range | −5 to 130 °C |
| Max. Operating Pressure | 13 bar (at 130 °C) / 188 psi (at 266 °F) |
| Safety Factor | 3 |
| Diaphragm | External PTFE annular junction, internal non-flowing diaphragm |
| Reference System | Patented dual-gel electrolyte chamber with pressure compensation, Ag/AgCl |
| Certifications | ATEX II 1/2G Ex ia IIc T6/T5/T4, FM IS Class I, Div 1, Groups A–D |
| Compliance | IEC 60079-0, IEC 60079-11, UL 913 |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Type | pH and ORP (Redox) Combination Electrode |
| Connector | VP (Versatile Plug) |
| Construction | Gel-Filled or Solid-State Reference System |
| Temperature Compensation | Integrated Pt1000 or NTC Sensor |
| Compliance | Designed for ASTM D1293, ISO 10523, USP <791>, FDA 21 CFR Part 11 (when used with compliant transmitters) |
| Application Environment | Continuous online measurement in industrial process streams, wastewater, pharmaceutical water systems, and ultrapure water (UPW) |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | Pt4865-50-SC-T-S7 |
| pH Range | Not applicable (ORP-only electrode) |
| ORP Measurement Range | Typically ±1500 mV (standard reference: Ag/AgCl, 3 mol/L KCl) |
| Temperature Range | 0–130 °C (32–266 °F) |
| Maximum Process Pressure | 6 bar (87 psi) |
| Reference System | Ag/AgCl with silver ion trap |
| Junction Type | Porous ceramic diaphragm |
| Refillable Electrolyte | Yes (Viscolyt™ liquid electrolyte) |
| Sterilizable | Yes (autoclavable up to 130 °C) |
| High-Pressure Housing Compatible | Yes |
| Compliance | Designed for IEC 61511 functional safety support in SIS applications |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | SevenGo Duo Pro (pH/FiveGo Dual-Channel) |
| Protection Rating | IP67 |
| Compliance | GLP-supported |
| Connectivity | Infrared (IR) interface for PC/printer data transfer |
| Display | Backlit high-contrast LCD |
| Data Storage | Internal memory with timestamped records |
| Ergonomic Design | Handheld, field-optimized form factor |
| Channel Configuration | Dual-channel simultaneous measurement |
| Certifications | CE, RoHS, compliant with ISO/IEC 17025 laboratory practice guidelines |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Channel Configuration | Dual-Channel (pH/mV + DO or Conductivity) |
| IP Rating | IP67 |
| Compliance | GLP-compliant |
| Connectivity | Infrared (IR) interface for data transfer to PC or printer |
| Display | Backlit LCD with electrode status indicator |
| Ergonomic Design | Handheld, field-optimized form factor |
| Price Range | USD 1,400 – 4,200 (FOB) |
| Brand | Polymetron |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 8350SC |
| Price | Upon Request |
| pH Measurement Range | 0–14 |
| Accuracy | ±0.05 pH |
| Temperature Compensation Range | up to 110 °C |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Model | PC-1000 |
| Measurement Range | pH 0–14, ORP −1999 to +1999 mV, Temp 0–60 °C |
| Resolution | 0.01 pH, 1 mV, 0.1 °C |
| Accuracy | ±0.01 pH ±1 digit, ±0.1% ORP ±1 digit, ±0.2 °C ±1 digit |
| Temperature Compensation | NTC 30 kΩ / PT1000 (auto & manual) |
| Calibration | 3-point pH calibration |
| Input Impedance | >10¹² Ω |
| Display | 4.3-inch LCD |
| Output 1 | Isolated 4–20 mA (configurable for pH/ORP, load ≤600 Ω) |
| Output 2 | Isolated 4–20 mA (configurable for temperature, load ≤600 Ω) |
| Relay Outputs | 2 × SPDT, 240 VAC / 0.5 A max (HI/LO alarm + cleaning timer: ON 0–99:59 min, OFF 0–999:59 h) |
| Voltage Output | DC ±12 V / 1 W max |
| Power Supply | 220 VAC |
| Mounting Options | Wall-mount, pipe-mount, panel-mount |
| Cutout Size | 90 × 90 mm |
| Dimensions | 110 × 95 × 95 mm |
| Weight | 1.5 kg |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Industrial Process Analyzer |
| Model | 2102PH |
| Pricing | Available Upon Request |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | Singapore |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | alpha-pH2000D |
| Pricing | Upon Request |
| pH Range | −2.00 to 16.00 pH |
| pH Resolution/Accuracy | 0.01 pH / ±0.01 pH |
| Supported Buffer Standards | pH 1.01, 4.01, 6.86, 7.00, 9.00, 9.18, 10.01 |
| ORP Range | 0–100% or −2000 to +2000 mV |
| ORP Resolution/Accuracy | 0.1% of full scale or 1 mV / ±2 mV |
| Temperature Range | 0–100 °C |
| Temperature Resolution/Accuracy | 0.1 °C / ±0.5 °C |
| ATC Sensor | 300 Ω NTC thermistor |
| Control Modes | On/Off, Proportional (P), Proportional-Integral-Derivative (PID) |
| Power Supply | 80–250 VAC, 48–62 Hz or DC |
| Enclosure Size | 1/2 DIN (144 mm × 144 mm) |
| Ingress Protection | NEMA 4X |
| Mounting | Panel-mount (with optional wall-mount bracket kit) |
| Analog Outputs | Two isolated 0/4–20 mA outputs (configurable for pH/ORP and temperature) |
| Relay Functions | Dual control relays with adjustable hysteresis (0–2000 s delay), HOLD mode, cleaning cycle relay, password-protected configuration |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Thermo Scientific Alpha pH/ORP |
| Pricing | Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | AnalogPlus pH/ORP |
| Pricing | Available Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | ROSS pH |
| Pricing | Available Upon Request |
| Brand | Thermo Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | TrupH |
| Price Range | USD 1,400 – 4,200 |
| Brand | Thermo Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | TruFluor pH |
| Price Range | USD 1,400 – 4,200 |
| Brand | VG Smart Technology |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | CA-2390(i)-B |
| pH Measurement Range | 0–14 pH |
| Temperature Compensation Options | None (CA-2390), PT1000 (CA-2391), PT100 (CA-2392) |
| Probe Lengths | 120 / 225 / 325 / 425 mm |
| Diameter | Φ12 mm |
| Explosion Protection Rating | Ex ia IIC T6/T5/T4 Ga |
| Sensing Membrane | Thickened acid/alkali-resistant glass bulb |
| Reference System | Dual-membrane + helical capillary design with PTFE outer membrane and porous ceramic inner junction |
| Reference Electrolyte | High-temperature-stable polymer gel (Swiss-formulated) |
| Typical Weight | 0.38–0.52 kg (varies by length) |
| Brand | YST (Dalian Yisite) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| Measurement Range | pH 0–14, ORP −2000 to +2000 mV |
| Accuracy | ±0.02 pH (high-precision mode), ±0.1 pH (standard mode) |
| Temperature Compensation | 0–99.9 °C (reference 25 °C) |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Power Supply | 24 VDC (wide-range input), solar-compatible |
| Media Compatibility | Aqueous solutions, weakly corrosive liquids (pH 2–12), suspensions |
| Drift Stability | ±0.02 pH/24 h |
| Enclosure Rating | IP65 to IP67 |
| Response Time | <30 s (standard), <5 s (fast-response configuration) |
| Data Logging | 30-day local storage |
| Auto-Calibration | Supported |
| Brand | YST (Dalian Yist Instrument Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| Measuring Range | pH 0–14 (optimized for wastewater: pH 2–12) |
| Temperature Compensation | 0–100 °C (automatic) |
| Output Signals | 4–20 mA analog + RS485 digital (Modbus RTU) |
| Power Supply | AC 220 V ±10% / 50 Hz or DC 24 V (optional) |
| Installation Types | Immersion, Flow-through, Insertion |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65/IP67 |
| Response Time | ≤3 s (to 90% of final value) |
| Sensor Housing Material | 316L stainless steel & PTFE |
| Electrode Options | Glass electrode or solid-state electrode |