Benchtop Conductivity/TDS/Salinity/Resistivity Meter PH-950 (CAT#: STEM-OEM-0255-ZJF)

The Benchtop Conductivity/TDS/Salinity/Resistivity Meter is a high-precision analytical instrument designed for accurate measurement of key water quality parameters in laboratory and industrial environments. It is ideal for applications requiring precise monitoring of conductivity, total dissolved solids (TDS), salinity, and resistivity.
Accessories include: meter unit, CON-1 conductivity electrode, temperature probe, standard solutions, electrode holder, USB cable, and power adapter.

Conductivity
- Range (Standard): CON-1: 2 μS/cm~20000 μS/cm
- Range (Optional):
· CON-0.01: 0.01 μS/cm~0.1 μS/cm
· CON-0.1: 0.1 μS/cm~2 μS/cm
· CON-10: 20000 μS/cm~200 mS/cm
- Accuracy: ±0.5% F.S.
- Resolution: 0.001, 0.01, 0.1, 1
- Calibration Points: 1 to 5 points
- Calibration Solutions: 10 μS/cm, 84 μS/cm, 1413 μS/cm, 12.88 mS/cm, 111.8 mS/cm
TDS
- Range: 0~10.00, 100.0, 1000 ppm; 10.00, 200.0 ppt
- Accuracy: ±1% F.S.
- Resolution: 0.01, 0.1, 1
- TDS Factor: 0.1~1.0 (default 0.5)
Salinity
- Range: 0.00~42.00 psu, 0.00~80.00 ppt
- Accuracy: ±1% F.S.
Resistivity
- Range: 0.00~20.00 MΩ
- Accuracy: ±1% F.S.
- Resolution: 0.01
Temperature
- Range: 0~105°C / 32~221°F
- Accuracy: ±0.5°C / ±0.9°F
- Resolution: 0.01
Other Specifications
- Offset Calibration: 1 point, reading ±10°C
- Temperature Compensation: 0~100°C, manual or automatic
- Temperature Coefficient: Linear (0.0~10.0%/°C), non-linear, pure water
- Reference Temperature: 20°C / 25°C
- Cell Constant: K=0.1, 1, 10
- Stability Criteria: Low or high
- Calibration Due Alarm: 1 to 31 days or off
- Calibration Factor Display: Yes
- Hold Function: Manual or auto-endpoint
- Memory: 500 data sets
- Communication Interface: USB
- Connector: 6-pin mini-DIN, 3.5 mm jack socket
- Display: Custom LCD (125×100 mm)
- Power Requirements: DC 5V power adapter
- Dimensions: 210×188×60 mm
- Weight: 1.5 kg
- Package Size (W×D×H): 310×240×180 mm
- Gross Weight: 1.7 kg

1 to 5-point calibration with automatic standard recognition.
Electrode diagnosis shows calibration points and slope factors.
Supports selectable cell constant, TDS factor, reference temperature, seawater, and pure water compensation.
Automatic temperature compensation over full range.
Auto-Read function and calibration due alarm ensure reliable results.
Expanded menu settings for temperature unit, resolution, stability criteria, and more.
Stores up to 500 data sets with USB interface for PC data transfer.
Multi-power mode: batteries, USB port, or adapter for flexible use.

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