2. Specification
Display
Measurement Range
Resolution
Accuracy
Input Impedance
Temperature
Compensation
Operating Temperature
Operating Humidity
Calibration
Power Supply
Power Consumption
Dimension
Weight
pH electrode
3. Functional Description
Figure 1
1
Display
2
Power ON Button
3
Power OFF Button
4
Data Hold Button
5
BNC socket for pH electrode
SensoDirect 110
LCD, 21.5 mm (0.7") digit height
0 - 14 pH
0.01 pH
± 0.07 pH (pH 5 - pH 9)
± 0.1 pH (pH 4 - pH 10)
± 0.2 pH (pH 1 - pH 3.9, pH 10.1 - pH 13)
Main instrument only
23 ± 5°C, after calibration
10
Ohms
12
No adjustment
0 - 50°C (32 - 122°F)
Maximum 80% relative humidity
External, pH 4 (or pH 10) (slope adjustment) & pH 7 (Offset
adjustment)
006P DC 9V battery
Approx. 2.0 mA
208 x 110 x 34 mm (L x W x H)
Approx. 380 g
pH plastic type, gel electrolyte with BNC connector
6
Calibration Offset pH 7
7
Calibration slope pH 4 (pH 10)
8
Battery compartment/cover
9
Stand
10 Protective cover
7