ORP Meter
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| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Model | d-shot |
| Measurement Principle | Dispersion-Scan (D-scan) |
| Pulse Duration Range | < 50 fs |
| Repetition Rate Support | Single-shot to MHz |
| Compatible Pulse Types | Few-cycle and Multi-cycle Pulses |
| Output | Full Electric Field Reconstruction (Amplitude & Phase) |
| Software | Real-time Retrieval Algorithm with Visual Trajectory Feedback |
| Compliance | Designed for GLP/GMP-aligned ultrafast labs |
| Brand | Chuandi |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | pHB-09B |
| Price | Upon Request |
| Measurement Range | pH 0–14 (0.01 resolution, ±0.02 pH ±1 digit) |
| ORP | ±1999 mV (0.1 mV resolution) |
| pX | Ion-selective electrode standard curve method |
| Temperature | 0–100 °C (operational limit: 60 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Power Supply | 3.7 V rechargeable Li-ion battery |
| Dimensions | 13.5 × 7 × 2.5 cm |
| Weight | 130 g |
| Brand | Eutech |
|---|---|
| Origin | USA |
| Model | ORPTEST10 |
| Instrument Type | Laboratory & Field-Portable ORP Meter |
| Measurement Range | −999 to +1000 mV |
| Resolution | 1 mV |
| Accuracy | ±2 mV |
| Calibration | Manual 1-point |
| Electrode Type | Replaceable Double-Junction Ag/AgCl |
| Power Supply | 4 × A76/LR44 batteries |
| Battery Life | >500 hours |
| Auto-Off | 8.5 min idle |
| Operating Temperature | 5–45 °C |
| IP Rating | IP67 |
| Display | Dual-line LCD (2.1 × 2.7 cm) |
| Dimensions | 16.5 × 3.8 cm |
| Weight | 90 g |
| Data Hold & Low-Battery Indication | Yes |
| Temperature Compensation | None (ORP-only measurement) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | ORP-30 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| ORP Measurement Range | −1000 to +1000 mV |
| Resolution | 1 mV |
| Accuracy | ±15 mV |
| Repeatability | ≤3 mV |
| Calibration | Single-point with auto-recognition of 222 mV standard buffer |
| Temperature Range | 0.0–60.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Enclosure Rating | IP67 |
| Housing Material | ABS |
| Power Supply | 4 × AAA batteries |
| Battery Life | >200 h |
| Dimensions (L×W×H) | 188 × 40 × 30 mm |
| Weight | ~0.15 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | TR-901 |
| Instrument Type | Laboratory & Field-Portable ORP Meter |
| Measurement Range | ±2000 mV (ORP), 5.0–60.0 °C (Temperature) |
| Resolution | 1 mV (ORP), 0.1 °C (Temperature) |
| Basic Error | ±1 mV (within −1000 to +1000 mV), ±0.1% FS (outside that range) |
| Calibration | 1-point or 2-point ORP calibration |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 500 measurement sets |
| Protection Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery, compatible with external mobile power banks |
| Display | Color touchscreen with guided navigation interface |
| Sampling Interval | Configurable in minutes |
| Additional Features | Auto-read lock, auto-backlight, auto-power-off, dual-channel ORP input |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region Category | Domestic (China) |
| Model | YHBJ-262 |
| Price Range | USD 280–700 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| ORP Range | (−2000.0 to +2000.0) mV |
| ORP Resolution | 0.1 mV |
| ORP Accuracy (Electronic Unit) | ±0.1% or ±0.3 mV |
| ORP Repeatability (Electronic Unit) | 1 mV |
| ORP System Accuracy (with electrode) | ±15 mV |
| pH Range | −2.00 to 20.00 |
| pH Resolution | 0.01 |
| pH Accuracy (Electronic Unit) | ±0.01 pH |
| pH Repeatability (Electronic Unit) | 0.005 pH |
| Input Current | ≤1 × 10⁻¹² A |
| Input Impedance | ≥1 × 10¹² Ω |
| pH System Accuracy | ±0.02 pH |
| pH System Repeatability | 0.01 pH |
| Temperature Range | −5.0 to 110.0 °C (23.0 to 230.0 °F) |
| Temp. Resolution | 0.1 °C / 0.1 °F |
| Temp. Accuracy (Electronic Unit) | ±0.2 °C |
| Temp. System Accuracy | ±0.4 °C (0.0–60.0 °C), ±1.0 °C (other ranges) |
| IP Rating | IP65 |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Power | Rechargeable Li-ion battery |
| AC adapter input | 100–240 V AC, output: 5 V DC |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | InPro2000i |
| pH Range | 0–14 |
| Temperature Range | 0–140 °C |
| Max. Pressure | 6 bar (87 psi) |
| Diaphragm Material | Ceramic |
| Reference System | Ag/AgCl with Silver Ion Trap |
| Sterilizable | Yes |
| ATEX Certification | Ex II 1/2G EEx ia IIc T6/T5/T4/T3, SNCH 00 ATEX 3130X, FM Certified for Class I, II, III Div 1 Groups A–G, T6 |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | 5041 |
| Measurement Range | ±100 mV |
| Resolution | 1 mV |
| Accuracy | ±0.5% FS |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 39 × 25 × 176 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Model | MP525 |
| Instrument Type | Laboratory-grade pH/ORP/Dissolved Oxygen Analyzer |
| Measurement Principles | Potentiometric pH/ORP, Polarographic Dissolved Oxygen |
| Compliance | GLP-compliant design, IP54 rated, ISO 9001:2008 certified, CE & CMC marked |
| Power Supply | DC 9 V / 300 mA |
| Interface | RS232 serial output |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Data Storage | 900 sets with timestamp, temperature, ATC/MTC status, and measurement mode |
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | TP160 |
| Instrument Type | Industrial Online ORP Meter |
| Display | 128×64 Dot-Matrix LCD (Chinese Interface) |
| Measurement Range | ±2000 mV |
| Electrical Accuracy | ±1 mV |
| Resolution | 0.1 mV |
| Temperature Compensation Range | 0–60 °C |
| Sample Temperature Range | 5–60 °C |
| Sample Pressure Limit | < 0.6 MPa |
| Environmental Operating Temperature | 5–45 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Storage/Transport Temperature | −25–55 °C |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤15 W |
| Output Signals | Isolated Current Output (0–10 mA / 0–20 mA / 4–20 mA), Load < 300 Ω |
| Relay Outputs | 2 SPST (AC 220 V / 3 A or DC 30 V / 3 A), Configurable Alarm Thresholds |
| Enclosure Rating | IP65 |
| Data Logging | Cyclic Storage with Auto-Overflow Management |
| Memory Retention After Power Loss | >10 Years |
| Dimensions (H×W×D) | 145 mm × 120 mm × 150 mm |
| Panel Cutout | 138 mm × 138 mm |
| Weight | 0.64 kg |
| Electrode Type | Pt-based Redox Electrode (Direct Potentiometric Measurement) |
| Brand | YST (Dalian Yist Instruments) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measurement Range | -1999 to +1999 mV |
| Accuracy | ±2 mV @ 25 °C |
| Response Time | ≤10 s (to 90% of final value) |
| Temperature Compensation | Automatic, 0–100 °C |
| Output Signals | Isolated 4–20 mA + RS485 digital interface |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Operating Ambient | 0–60 °C, ≤90% RH (non-condensing, away from strong magnetic fields) |
| Power Supply | 220 V ±10%, 50 Hz |
| Installation Type | Submersible (tank/pipeline) |
| Brand | YSTorp (Dalian Yistorp) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measuring Range | ORP –1999 to +1999 mV (0.1 mV resolution) |
| Accuracy | ±1 mV (ORP), ±0.5 °C (Temperature, 0–60.0 °C) |
| Automatic Temperature Compensation (ATC) | 0.0–120.0 °C (reference 25 °C) |
| Output | 4–20 mA isolated analog output |
| Power Supply | AC 220 V ±10 %, 50 Hz ±1 Hz |
| Enclosure Rating | IP65 |
| Dimensions | 96 × 96 × 110 mm (panel cutout: 92 × 92 mm) |
| Installation Options | Flow-through, submersible, flanged, pipe-mounted, sidewall-mounted |
| Operating Environment | 0–60 °C ambient, RH <85 % non-condensing |