1.pH

1.1 Range: 0-14 pH;

1.2 Accuracy: Slow range error ±2%;

1.3 Maximum pressure: 40 PSI;

1.4 Initial response time after booting: 3 seconds;

1.5 Working temperature: -5° to +55°C.

2. Dissolved oxygen

2.1 Range: 0-100% saturation, 0-8 ppm, temperature compensation to 25°C;

2.2 Accuracy: Slow range error ±0.5%;

2.3 Maximum pressure: 40 PSI;

2.4 Initial response time after booting: 10 seconds;

2.5 Working temperature: -40° to +55°C;

2.6 Membrane: 0.001 FEP polytetrafluoroethylene (standard);

2.7 Total accuracy: 2% FS.

3. Temperature

3.1 Range: 0-100°C;

3.2 Accuracy: ± 0.2°F or ± 0.1°C;

3.3 Maximum pressure: 40 PSI;

3.4 Initial response time after booting: 5 seconds;

3.5 Working temperature: -50° to +100°C;

3.6 Weight: 1/2 lb (227g).

4. Conductivity

4.1 Range: 0-5,000, 0-10,000, 0-20,000 us/cm;

4.2 Accuracy: +/-1%;

4.3 Maximum pressure: 40 PSI;

4.4 Initial response time after booting: 3 seconds;

4.5 Working temperature: -40° to +55°C;

4.6 Temperature compensation: 2% per °C;

4.7 Conductive material: 316 stainless steel.

5. Redox

5.1 Range: -1500 to +1500mV

5.2 Accuracy: 2% of the entire range

5.3 Maximum pressure: 40 psi

5.4 Initial response time after booting: 3 seconds;

5.5 Working temperature: -40° to +55°C;

5.6 Dimensions: 10-1/2" L x 1" Diameter (26.7 cm L x 2.5 cm Dia.)

5.7 Weight: 8 oz (227 g)

6. Turbidity

6.1 Range: 0-100, 0-500, 0-3000 NTU;

6.2 Accuracy: +1% of the entire range

6.3 Method: Calibration of Turbidimeter

6.4 Initial response time after booting: 5 seconds;

6.5 Working temperature: -10° to +50°C;

6.6 Maximum pressure: 30 psi;

6.7 Light source Infrared LED, (880nm);

6.8 Weight: 1lb (454 g).

1. Sampling inspection of large watershed environment.

2. Practical use by laboratory researchers.

3. Monitoring of fishery breeding and breeding environment.

4. Monitoring of sewage outlets of sewage plants.

5. Rivers, lakes, streams, etc.