Order Information - OHAUS ST20D Manual De Instrucciones

Maintenance and Storage
After the usage, turn off the membrane, rinse the electrode and membrane, makes them dry and turn on the
membrane part to store.
Harsh samples such as sticky, dirty or oily liquids may shorten the life time of the pen meter.
The meter uses 4 (1.5V AA) button batteries. Replace all batteries when the display fades or do not turn on.

Order Information

Model Description
ST20D Polargraphic waterproof pen DO meter
Accessory
30222083 Pen Electrode, ST20D
30222084 Membrane part with electrolyte for ST20D
30059257 DO Zero Oxygen Chemical
Specification
Water Proof Pen DO Meter
Measurement range
Resolution
Accuracy
Battery
Dimension
Weight
Auto-off
ST20D
0.0 – 19.9 mg/L
0.1 mg/L
± 0.5 mg/L
4 x 1.5V
183mm x 45mm x 35mm
90g
After 10 min no operation
Item NO
30073986