Model : 612 pH Tester
Description :
Portable Digital pH Stick Meter with replaceable pH electrode. Features dual point calibration and has manual temperature compensation. 9 Volt Battery.
All solid state design
Low power consumption
0.31 high LCD display readable under bright ambient conditions
Display hold function
Slope adjust
Low drift and high stability
Manual temp. compensation
Fast input response
A9 voltage battery
Battery low indicator
Easy to use
Low cost

Specifications:
pH Range : 0 to 14.00pH
pH Resolution : 0.01 pH
pH Accuracy : ± 0.05pH ± 1 digit ( relative)

Other
Input impedance: Greater than 10exp( 12) ohms
Operating temperature: Auto 0 to 40 ° C
Temperature compensation: Manual 0 to 60° C
Display: 8mm high LCD
Display hold: Yes
Power source: 9volt battery
Dimensions: 172mmx35mmx28mm
Weight: 128 gs