Gk-403 Readout Box (Obsolete Model); Connecting Sensors With 10-Pin Bulkhead; Connecting Sensors With Bare Leads; Operating The Gk-403 - Geokon 4820 Instruction Manual

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3.3 GK-403 Readout Box (Obsolete Model)

The GK-403 can store gage readings and apply calibration factors to convert readings to

engineering units. The following instructions explain taking gage measurements using Mode "B"

(similar to the GK-401 switch positions "B"). Consult the GK-403 Instruction Manual for

additional information.

Align the grooves on the sensor connector (male), with the appropriate connector on the

readout (female connector labeled senor or load cell). Push the connector into place, and

then twist the outer ring of the male connector until it locks into place.

Attach the GK-403-2 flying leads to the bare leads of a Geokon vibrating wire sensor by

connecting each of the clips on the leads to the matching colors of the sensor conductors,

with blue representing the shield (bare).

1) Turn the display selector to position "B".

2) Turn the unit on.

3) The readout will display the vibrating wire output in digits (See Equation 2 in Section

4.1.) The last digit may change one or two digits while reading.

4) The thermistor reading will be displayed above the gage reading in degrees

centigrade.

5) Press the "Store" button to record the value displayed.

If the no reading displays or the reading is unstable, see Section 5 for troubleshooting

suggestions.

The unit will automatically turn off after approximately two minutes to conserve power.

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