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BT57i ORP sensor User’s Guide
Technical Specifications
Sensor kind
Analog, generates output voltage between 0 .. 5V
Measuring range
-‐450 mV .. 1100 mV
Resolution using
12-‐bit AD converter
0.5 mV
Calibration function
V(mV) = 464.84 * V
out
(V) – 557.08
pH= -‐7.78 * V
out
(V) + 16.34
Power
7 mA @ 5 VDC
Connection
IEEE1394 connector for BT-‐IEEE1394 sensor cable.
Sensor cable not delivered with the sensor.
ORP Electrode
Type
Sealed, gel-‐filled, epoxy body, Ag/AgCl reference
Storage solution
pH-‐4/KCl solution
(10 g KCl in 100 mL buffer pH-‐4 solution)
Temperature range
0 -‐ 60
0
C
Impedance
~20 kΩ at 25
0
C
ORP element
99% pure platinum band sealed on a glass stem
Connection
coaxial cable with BNC connector
Warranty:
The ORP sensor BT57i is warranted to be free from defects in materials and
workmanship for a period of 12 months from the date of purchase provided that it
has been used under normal laboratory conditions. This warranty does not apply if
the sensor has been damaged by accident or misuse.
Note:
This product is to be used for educational purposes only. It is not appropriate
for industrial, medical, research, or commercial applications.
Rev. 20
/11/2014
