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1529 Chub-E4 Thermometer Readout
Connect the Power Source
testing we found that ferrites clamped around the probe cables and power cord reduced
the risk that EM interference affects measurements. Therefore, we recommend that
the clamp-on ferrites provided (Steward P/N 28A2025-0A2) be used on the cables of
probes attached to this product, especially if it the product is used near sources of EM
interference such as heavy industrial equipment.
To attach a ferrite to a probe cable, make a loop in the cable near the connector and
clamp the ferrite around half of the loop as shown in Figure 1 on this page The ferrite
can be easily snapped open and moved to a new probe when needed.
Figure 1
3.5 Connect the Power Source
The 1529 draws power from either a 15-volt DC power supply (the included AC
adapter) connected to the DC input or the internal re-chargeable battery pack. To use
the AC adapter, plug it into a wall outlet of the appropriate voltage and insert the DC
plug into the DC power input of the 1529 (see Figure 3 on page 14).
3.6 Switch the Power On
Power is turned on and off with the power switch located on the top right corner of
the back panel. To switch the power on, toggle the power switch to the 'ON' position.
To switch power off, toggle the power switch to the 'OFF' position. The instrument
takes a few seconds to power up, initialize, and begin normal operation. A self-test is
performed displaying the channel configuration and status of the system, calibration,
GPIB, memory, and buttons. If the thermometer readout calibration has expired, the
user is notified and must press the Enter button to continue initialization. If an error
message is displayed on power up see Section 10, Troubleshooting on page 125.
3.7 Measure Temperature
After initialization, the temperature measurements for the configured channels are dis-
played. The appropriate sensor type must be selected and coefficients entered for the
measurements to be accurate (see Section 6.2.1, Edit Probe on page 30). Place the sen-
sors of the probe into the object(s) you want to measure. DO NOT force the probe(s)
or otherwise allow them to be bent, stressed, or overheated. Probes can be easily dam-
10
clamp-on ferrite
Using the Clamp-on Ferrites
probe cable
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