Sper Scientific 850061 pH SD Card Datalogger Kit - Manual (Page 50)

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Power Current Normal Operation (without
use of the datalogger or
backlight):
Approximately DC 14 mA
Datalogger Operation
(backlight is off):
Approximately DC 37 mA
If the backlight is on, the
power consumption will
increase by approximately
12 mA.
Dimensions 177 x 68 x 45 mm
7 x 2 ¾ x 2”
Weight 489 g
(1 lb)
The following specifications tests
were performed in an ambient
temperature of 23 ± 5°C:
SPECIFICATIONS
pH Probe Optional, Any pH probe
with BNC Connector
Measurement pH 0 ~ 14 pH
mV -1999 ~ 1999
mV
Input
Impedance 10˄12 ohm