Measurement Method:
+ pH: Glass electrode
+ ORP: Platinum electrode
+ Turbidity: 90 ° C scattered light(infrared)
+ Conductivity: AC 4-electrodes
+ Salinity: Conversion from conductivity
+ TDS: Conversion from conductivity
+ DO: Galvanic membrane electrode
+ Temperature: Thin film platinum resistance
+ Seawater Specific Gravity : Conversion from conductivity
+ Water Depth: Diaphragm pressure sensor
Display Unit: LCD
Display Range:
+ pH pH0.00 ~ 14.00
+ ORP -2000 ~ 2000mV
+ Turbidity 0.0 ~ 80.0 NTU (mg / L), 0 ~ 800 NTU (mg / L) (Change: Automatic/Manual)
+ Electrical conductivity:
0.0 mS / m ~ 10 S / m
0.0 ~ 100.0 mS / m
0.000 ~ 1.000 S / m
0.00 ~ 10.00 S / m
Automatic or manual selection
+ Salinity 0.00-4.00% (NaCl) /0.00-40.00 (PSS)
+ TDS 0 ~ 100.0 g / L
+ DO 0 ~ 20.00 mg / L - 0 ~ 200%
+ Seawater Specific Gravity: 0.0 ~ 50.0 σt
+ Water Depth: 0.0 ~ 100.0 m
+ Temperature: -5 ~ 55 ° C
Repeatability:
+ pH: ± 0.05pH
+ ORP: ± 5 mV
+ Turbidity: ± 3% FS
+ Conductivity: ± 1% FS
+ Salinity: ± 0.1% (NaCl) - ± 1
+ TDS: ± 2g / L
+ DO: Approx. 0.1 mg / L - ± 2% "
+ Seawater Specific Gravity: +/- 0.1 σt
+ Water Depth: +/-0.1 m
+ Temperature: ± 0.25 ℃
+ Ion (6 types: F- ,Cl- ,NO3 - ,Ca2+,K+ ,NH4 +): 0.00 to 2.00mg/L 0 to 62g/L（6 range） （Depending on electrode used）
Calibration:
+ pH: 2 points of 4, 7, 9 or 3 calibration points
+ DO and turbidity: Zero & Span calibration
+ Conductivity, salinity, TDS, temperature, Seawater Specific Gravity, Water Depth: can be calibrated
External Output:
+ DC 0 ~ 1 V, 3 isolation points: Channel 1 & 2: Provides 2 parameters selected
Channel 3: Provides transmission range
RS-232C: Standard features (not isolated when using printer or GPS device)
Waterproof (Body): IP67
Operating Temperature Range: 0 ~ 50 ℃
Power Source: AA batteries (2) or AC adapter (optional)
Consumption: Approx. 18 VA
Dimensions: 70 (W) x 39 (H) x 188 (D) mm
Weight: Approx. 300 g
This product is used to measure the water quality in rivers, lakes, dams, factories, buildings.
