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| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Portable |
| Parameter Types | pH, ORP, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen, Temperature |
| pH Range | −2.00 to 19.999 |
| pH Resolution | 0.1 / 0.01 |
| pH Accuracy | ±0.01 |
| Conductivity Range | 0–200 mS/cm (5 segments) |
| Conductivity Accuracy | ±1.0% FS |
| DO Range | 0–40.00 mg/L, 0–199.9% saturation |
| DO Accuracy | ±0.10% FS |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Calibration | Auto-recognition of 13 pH buffers (US, NIST, Chinese series) |
| Data Storage | 100–400 sets |
| Power | 2 × AA batteries (1.5 V), >100 h life |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| Ingress Protection | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (pH, mV, Temperature) |
| Measurement Range | (−2.00 to 20.00) pH |
| Resolution | 0.01 pH (selectable to 0.1 pH) |
| Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic and Manual |
| Calibration Points | 1–5-point pH calibration |
| Buffer Recognition | Auto-identification of GB, DIN, and NIST standard buffer sets |
| Data Storage Capacity | 500 measurement records |
| Compliance | GLP-compliant data management |
| Connectivity | RS-232 (for serial printers), USB (for PC communication) |
| Protection Rating | IP54 |
| Standard Accessories | Tri-combination pH electrode, electrode stand, dust cover, calibration buffer solutions |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-3 |
| Instrument Type | Pen-style pH Meter |
| Measurement Range | 0.0–14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.01 pH |
| Calibration | Single-point (pH 7.00) |
| Temperature Compensation | None |
| Power Supply | Two AAA batteries (1.5 V × 2) |
| Dimensions | 176 × 25 × 39 mm |
| Weight | 95 g |
| IP Rating | IP57 |
| Calibration Solution Compatibility | USA-standard pH buffers (e.g., pH 4.01, 7.00, 10.01) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | ST400 |
| Instrument Type | Portable (not benchtop — correction based on product description) |
| Parameter Types | pH and Temperature |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | −2.00 to 16.00 pH |
| Resolution | 0.01 pH |
| Calibration Solutions | China-specific buffer set (pH 4.01, 7.00, 10.01 at 25 °C) |
| IP Rating | IP67 (instrument and electrode) |
| Battery | Rechargeable Li-ion, up to 40 h continuous operation, ≥300 charge cycles |
| Data Storage | 1000 measurement records |
| Interface | Micro-USB for data export |
| Display | Backlit LCD with graphical user interface |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter (pH, ORP, mV, Temperature) |
| pH Measurement Range | –2.00 to 20.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Calibration | Automatic recognition of GB, DIN, NIST, and other standard pH buffer solutions |
| Data Storage | 500 measurement records with GLP-compliant metadata |
| Environmental Rating | IP65 |
| Connectivity | RS232 printer port, USB interface for PC communication and firmware updates |
| Calibration Options | 1–5 point pH calibration, 1-point ORP calibration |
| Measurement Modes | Continuous, equilibrium-based, and programmable timed (interval or continuous timing) |
| User Management | Configurable user ID and sample ID fields |
| Display | Backlit LCD with graphical curve visualization |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | LabSen873 |
| Instrument Type | Pen-Style Electrode |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 1–13 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| Calibration Buffers | pH 4.00, 7.00, 10.00 |
| Temperature Range | 0–80 °C |
| Body Material | Lead-Free Glass |
| Bulb Shape | Cylindrical |
| Reference System | Ag/AgCl |
| Junction Type | Dual-Liquid Junction with Movable Sleeve |
| Internal Reference Electrolyte | 3 M KCl (Gelled) |
| Salt Bridge Solution | 1 M LiCl |
| Soaking Solution | 3 M KCl |
| Dimensions | Φ12 × 130 mm |
| Connector | BNC |
| Cable | Φ3 mm × 1 m |
| Integrated Temperature Sensor | Yes (for Automatic Temperature Compensation) |
| Brand | Hamilton |
|---|---|
| Origin | USA |
| Model | 243632 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Calibration | Standard pH Buffer Solutions |
| Brand | Sanxin Peirui (SANXIN) |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV/°C) |
| pH Range | -2.000 to 19.999 pH |
| pH Resolution | 0.1 / 0.01 / 0.001 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy (Meter) | ±0.002 pH |
| (System w/ 2503-C electrode) | ±0.01 pH |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.4 °C (5–60 °C), ±0.8 °C (other ranges) |
| Input Current | ≤1 × 10⁻¹² A |
| Input Impedance | ≥3 × 10¹² Ω |
| Stability | ±0.002 pH / 3 h |
| Temperature Compensation | Automatic or Manual, 0–100 °C |
| Buffer Recognition | 13 standard pH buffers (NIST, DIN, Chinese GB, and custom series) |
| Measurement Modes | Stable Read, Timed Read, Continuous Read |
| Special Modes | High-Purity Water pH, Ammoniated Pure Water pH, ORP (vs. SHE) |
| Data Storage | 600 records (ID, value, temperature, ATC/MTC status, date/time) |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Environmental Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Conditions | 15–30 °C (for 0.001-class performance), ≤75% RH |
| Brand | SANXIN (Sanxin Peri) |
|---|---|
| Origin | Shanghai, China |
| Model | SX811 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH/mV) |
| Measurement Range | −2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation Range | 0 to 100 °C (auto/manual) |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 0.1 mV (±200 mV), 1 mV (elsewhere) |
| Input Impedance | ≥1×10¹² Ω |
| Input Current | ≤1×10⁻¹² A |
| Stability | ±0.01 pH/3 h |
| Calibration | 1–3 point auto-calibration with buffer recognition (USA/NIST/CH series), custom buffer support |
| Enclosure Rating | IP57 |
| Power | Rechargeable battery or USB 5 V DC adapter |
| Data Storage | Manual & timed auto-storage |
| Default Buffers | CH-series (pH 4.00, 7.00, 10.01) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Accuracy | ±0.004 |
| pH Range | 0.000–14.000 |
| Calibration Buffers | pH 4.01, 7.00, 10.01 |
| Temperature Range | 0–80 °C |
| Electrolyte | Polymer Gel (KCl-free) |
| Reference Junction | Fiber Junction (NTC integrated) |
| Housing Material | PPE/PS Composite |
| Shaft Length | 120 mm |
| Cable Length | 1.5 m (standard), 3 m (optional) |
| Connector | 4-pin IDS (Intelligent Digital Sensor) |
| Input Impedance | >1 GΩ at 25 °C |
| Response Time (t₉₀) | <15 s (in buffer) |
| Storage Requirement | Wet cap with pH 4 or 7 buffer |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | SX711 |
| Instrument Type | Portable (not benchtop — corrected per product reality) |
| Parameter Type | Single-parameter (pH/mV) |
| pH Range | –2.00 to 19.99 pH |
| pH Resolution | 0.1 / 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | –10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Input Current | ≤2 × 10⁻¹² A |
| Stability | ±0.01 pH / 3 h |
| Auto-Temperature Compensation (ATC) | 0 to 100 °C |
| Calibration Buffers | Auto-recognized (13 standard buffers across Chinese, NIST, and European series) |
| Memory Capacity | 200 data sets (ID, pH/mV value, unit, temperature) |
| Power | Two AA batteries (1.5 V × 2) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | testo |
|---|---|
| Origin | Germany |
| Model | 0563 2062 |
| Instrument Type | Pen-style pH Meter |
| Parameter Types | pH + Temperature (NTC) |
| pH Range | 0–14 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Temperature Range | 0–+60 °C (short-term up to +80 °C for ≤5 min) |
| Temperature Accuracy | ±0.4 °C |
| Temperature Resolution | 0.1 °C |
| Calibration | 1-, 2-, or 3-point with NIST-traceable buffer solutions |
| Electrode Type | Integrated gel-filled pH electrode with annular transparent reference junction |
| Probe Diameter | 11 mm |
| Probe Sleeve Length | 35 mm |
| IP Rating | IP68 |
| Display | 2-line LCD |
| Power | 1 × CR2032 battery (≈80 h operation) |
| Weight | 115 g (with TopSafe protective sleeve), 65 g (without) |
| Dimensions | 197 × 33 × 20 mm (L×W×H, with probe & sleeve) |
| Housing Material | ABS |
| Operating Temperature | 0–+60 °C |
| Storage Temperature | −20–+70 °C |
| Compliance | CE 2014/30/EU |
| Brand | Sanxin Peri |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-2C |
| Instrument Type | Benchtop (not pen-type — corrected per technical specification) |
| Parameter Types | Dual (pH + Temperature) |
| pH Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Temperature Compensation | Manual or Automatic (with optional PHT temperature electrode) |
| Calibration Buffers | pH 4.00, 6.86, and 9.18 (NIST-traceable standard solutions) |
| mV Range | −1500 to +1500 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.15% FS ±1 digit |
| Temperature Measurement | 0–100 °C / 32–212 °F, resolution 0.1 °C, accuracy ±1 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH / 3 h |
| Power Supply | DC 9 V adapter |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 750 g |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Model | AB33PH |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/ORP/Temperature) |
| Measurement Range | 0.00–14.00 pH, −1999–+1999 mV, 0–100 °C |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Accuracy | ±0.01 pH / ±1 mV / ±0.5 °C |
| Calibration Solutions | China-compliant buffer set (pH 4.01, 7.00, 10.01) |
| Display | 6.5-inch backlit segmented & dot-matrix LCD with capacitive touch keys |
| Data Storage | 1,000 measurement records with timestamp |
| Connectivity | RS232 and USB |
| Power Supply | AC adapter |
| Dimensions (H×L×W) | 51 × 210 × 142 mm |
| Net Weight | 0.5 kg |
| Enclosure Material | ABS housing with integrated electrode stand |
| Compliance | Designed for GLP-compliant laboratory workflows |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Mode | Multi-parameter |
| pH Range | –2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point manual calibration |
| Buffer Recognition | Automatic identification of GB standard buffers (pH 4.00, 6.86, 9.18) |
| Temperature Compensation | Manual |
| Data Storage | 50 measurement sets |
| Display | High-definition LCD |
| Protection Rating | IP54 |
| Included Accessories | Composite pH electrode, electrode stand, dust cover, and powdered buffer kits |
| Power Management | Auto-off, power-loss data retention, factory reset |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual (pH/mV) |
| pH Measurement Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | −1400 to +1400 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Input Impedance | ≥1×10¹² Ω |
| Temperature Compensation | Manual, 0.0–60.0 °C |
| Calibration Options | 1–2 point |
| Display | 6-inch HD LCD |
| IP Rating | IP54 |
| Dimensions | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Power Supply | AC 100–240 V adapter |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | PHBJ-260 |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH only) |
| Measurement Range | −2.00 to 20.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Standards | NIST-traceable Chinese national buffer solutions (pH 4.01, 6.86, 7.00, 9.18, 10.01) |
| Temperature Compensation | Automatic and Manual |
| Display | Backlit LCD (adjustable blue backlight) |
| Data Storage | Internal memory for calibration records and measurement logs |
| Connectivity | RS-232 serial interface (compatible with TP-16 printer and REX data acquisition software) |
| Protection Rating | IP65 |
| Power Supply | Battery-operated with low-battery indicator and auto-power-off function |
| Electrode Compatibility | Standard BNC connector |
| Brand | Hamilton |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HB42VP |
| Instrument Type | Inline / Process pH Sensor |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | pH 0–14 |
| Resolution | 0.01 pH |
| Accuracy | ±0.15 pH |
| Calibration | Standard pH buffer solutions (e.g., pH 4.01, 7.00, 10.01) |
| Electrolyte System | Polisolve polymer electrolyte |
| Reference System | Polilyte polymer reference |
| Connection | VarioPin (VP) quick-fit connector |
| Glass Membrane | High-pH-resistant glass with low alkaline error |
| Temperature Compensation | Integrated Pt1000 RTD |
| Operating Pressure | Up to 6 bar (gauge), non-compensated |
| IP Rating | IP68 (when properly mounted in compatible housing) |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual-parameter (pH + temperature) |
| Measurement Range | −2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point automatic calibration |
| Buffer Recognition | Auto-identifies five standard GB buffers (1.68, 4.00, 6.86, 9.18, 12.46 pH) and supports custom buffer entry |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 50 measurement sets with recall and deletion |
| Display | 6-inch HD LCD |
| Protection Rating | IP54 |
| Compliance | GB/T 11165–2005, JJG 119–2018, HJ 1396–2024 |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | −2.00 to 19.99 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Compensation Range | 0–110 °C (ATC) |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH / 3 h |
| Data Storage Capacity | 600 sets |
| Storage Content | Sample ID, pH value, temperature, ATC/MTC mode, date & time |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Protection Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Model | PG100 |
| Instrument Type | Multiparameter Process Controller |
| Measurement Accuracy | ±0.02 pH / ±2 mV |
| pH Range | 0.00–14.00 |
| ORP Range | −1999 to +1999 mV |
| pH Resolution | 0.01 pH |
| ORP Resolution | 1 mV |
| Calibration Solutions | NIST-traceable pH buffer standards (pH 4.00, 6.86, 9.18) |
| Input Signals | 0–5 V DC, 1–5 V DC, 0–10 mA DC, 4–20 mA DC |
| Output Signals | 0–10 V DC, 4–20 mA DC |
| Alarm Outputs | 2 independent relay outputs (configurable as high/low limit with adjustable hysteresis) |
| Control Output | 1 SPST switch output (ON/OFF, selectable direct/reverse action) |
| Power Supply | 90–260 V AC, 50/60 Hz |
| Operating Environment | 0–50 °C, 35–85 % RH (non-condensing) |
| Weight | 0.25 kg |
| Compliance | Designed for industrial process monitoring per IEC 61000-6-2 (EMC immunity) and IEC 61000-6-4 (EMC emissions) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Types | pH, mV, Temperature |
| Measurement Range | pH: –2.000 to 20.000 |
| mV | –2000.00 to 2000.00 mV |
| Resolution | 0.001 pH / 0.01 mV |
| Accuracy | ±0.002 pH / ±0.03% FS (mV) |
| Temperature Compensation | Automatic (ATC), –5.0 to 135.0 °C |
| Calibration | Up to 6-point automatic calibration with auto-buffer recognition (GB, DIN, NIST, and 22 additional standard buffer sets) |
| Data Storage | 1000 measurement records with timestamp, electrode ID, calibration history, and user log |
| Compliance | GLP-compliant data management, audit trail support, 21 CFR Part 11–ready software configuration (when used with Leici LabManager Pro v3.2+) |
| Connectivity | RS-232, USB host/device, optional auto-sampler interface |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | MP512 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/°C) |
| pH Range | −2.000 to 19.999 pH |
| pH Resolution | 0.001 pH |
| pH Accuracy | ±0.002 pH |
| mV Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.03% FS |
| Temperature Range | −10 to 110 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C |
| Input Impedance | ≥3 × 10¹² Ω |
| Input Current | ≤1 × 10⁻¹² A |
| Stability | ±0.002 pH / 3 h |
| ATC Range | 0 to 110 °C |
| Data Storage | 600 sets |
| Storage Content | Measurement ID, pH/mV value, temperature, ATC/MTC status, date & time |
| Interface | RS232 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Environment | 15–30 °C (for 0.001-level accuracy), ≤75% RH |
| Brand | OHAUS |
|---|---|
| Origin | USA |
| Model | ST5000/F |
| Instrument Type | Benchtop |
| Parameters Measured | pH and ORP (mV) |
| pH Range | –2.000 to 20.000 |
| mV Range | –1999.00 to +1999.00 |
| Temperature Range | –30 °C to +130 °C |
| pH Resolution | 0.001 |
| mV Resolution | 0.01 |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.002 |
| mV Accuracy | ±0.03 |
| Temperature Accuracy | ±0.1 °C |
| Calibration Points | Up to 9-point pH calibration |
| Buffer Sets | 8 pre-defined + 1 user-defined |
| Calibration Modes | 3-point, endpoint, continuous measurement |
| Data Storage | 1000 readings with timestamp and electrode ID |
| GLP Compliance | Yes, with audit trail, calibration history, and sensor diagnostics |
| Connectivity | RS232 and USB |
| Display | 4.3-inch color TFT touchscreen |
| Enclosure Material | ABS |
| IP Rating | IP54 |
| Power | AC adapter (110–240 V, 50/60 Hz) + DC 9 V |
| Net Weight | 550 g |
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