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1529 Chub-E4 Thermometer Readout
Probe Input Modules
panel is green when the battery is fully charged and amber when being charged using
the AC adapter.
The battery may self-discharge over several months, especially if the temperature is
warm. The battery pack can be used for a minimum of 500 charge-discharge cycles be-
fore needing to be replaced. Replacement battery packs are available from the manu-
facturer. The battery pack can be easily removed and replaced in the field by following
this procedure:
1. Power the 1529 off and unplug the AC adapter from the unit.
2. Turn the 1529 over to expose the battery compartment. Remove the battery
3. Remove the battery pack. Gently disconnect the battery plug connector.
4. Attach the polarized plug of the new battery pack onto the connector. Note: The
5. Close the battery cover and replace the screw. Avoid pinching the battery wires.
6. Plug in the AC adapter and charge for a minimum of four hours for the
When the battery charge is not at 100%, the measurement accuracy is not affected. If
the power is interrupted while the instrument is logging measurements (on demand or
automatically), the logged data is preserved and logging resumes when the power is
restored.
5.4 Probe Input Modules
The 1529 can be configured in three ways:
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●
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Each input module supports two channels. Your 1529 thermometer readout is config-
ured at the factory and is not field changeable. Input modules should never be removed
for any reason.
All possible configurations are shown in Figure 3 on page 14.
5.4.1
Connecting a PRT or Thermistor Probe
PRT and thermistor probes are attached to the resistance input module via Hart Sci-
entific mini-DWF connectors. These patented connectors accept bare wire, spade, or
mini banana plug terminations. The connectors are color coded for ease in connecting
lead-wires.
18
cover hex screw. Place the screw in a safe place so it won't get lost. Flip open
the battery cover to reach the battery pack.
battery plug is polarized and can only be plugged in one direction. DO NOT
force it. Place the battery pack in the battery compartment.
initial charge. Used batteries must be disposed of properly. Check your local
regulations for additional information. You may return used batteries to
the manufacturer. Never dispose of batteries in fire as this may result in an
explosion with the possibility of personal injury or property damage.
Two RTD/thermistor input modules.
Two thermocouple input modules.
One RTD/thermistor and one thermocouple input module.
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