Online pH Meter
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Showing 31–37 of 37 results
| 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 | 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 | 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 |