Measurement parameters: pH/dissolved oxygen/℃
● pH
Range: -2.00 to 16.00pH
Resolution: 0.01pH
Relative accuracy: ± 0.01pH
Correction time: 5 o'clock
Automatic buffer recognition: Yes
Display slope/offset: Yes
● Temperature
Range: -10.00 to 110.0 ℃ (instrument)
Resolution: 0.1 ℃
Relative accuracy: ± 0.3 ℃
● Dissolved oxygen
Range: 0.00 to 20.00mg/L/ppm
Resolution: 0.01 mg/L; 0.01ppm
Relative accuracy: Full range ± 1.5%
Correction point: 1 o'clock
●% oxygen saturation
Range: 0.0 to 200.0%
Resolution: 0.01%
Relative accuracy: Full range ± 1.5%
Salinity compensation
Range: 0.0 to 50.0ppt
Resolution: 0.1ppt
Method: Automatic compensation after manual input
● Atmospheric pressure compensation
Range: 500 to 1499mmHg; 66.6 to 199.9kPa
Resolution: 0.1mmHg/kPa
Method: Automatic compensation
Temperature compensation coefficient: automatic/manual (0.0 to 100 ℃)
IP67 standard: Compliant with
● Data storage: 50 sets
Operating temperature: 0 to 50 ℃
● Locking function: Yes
LCD display: LCD (5.8 * 3.3cm)
● Automatic shutdown: Automatic shutdown after 20 minutes of inactivity
● Input: BNC, 6-pin interface

● Power supply: 4 * 1.5V 'AAA' alkaline battery
● Battery life:>100 hours
● Size/Weight: 19 (L) * 10 (W) * 6 (H) cm/700g (single machine)
40 (L) * 33 (W) * 10 (H) cm/2180g (packed)