2 INSTALLATION

2.1Preparation General

•Remove the instrument from the carrying case and use it on a flat, stable surface. To avoid any possible damage, either to the instrument or the unit under test, the dry well of the instrument must be used in the vertical position.

•The fan system at the base of the instrument must be free from any obstruction.

•The dry well must be completely clean.

•Carefully read the SAFETY section of this manual.

2.2Power Supply

CAUTION:

BEFORE OPERATING, CHECK THAT THE POWER SUPPLY SELECTOR SWITCH SETTING MATCHES THE POWER SUPPLY VOLTAGE.

The DBC series of calibrators operate from an a. c. power supply of 100 to 120 Vac or 220 to 240 Vac, 50-60 Hz.

CAUTIONS:

1THE POWER SUPPLY MUST PROVIDE CONNECTION TO A PROTECTIVE GROUND TERMINAL.

2THE INSTRUMENT MUST, AT ALL TIMES, BE CONNECTED TO THE SUPPLY EARTH (GROUND).

2.3Temperature Probes

WARNING

AFTER USE, THE PROBES WILL BE VERY HOT. HANDLE WITH CARE AND WAIT FOR THE PROBES TO COOL COMPLETELY.

The temperature probe to be tested must be correctly placed in the dry well to produce accurate test results:

•Check the probe diameter and operating range and use reduction inserts with the correct sized holes (the hole diameter should comply with EA-10/13 guidelines). A large temperature difference between probe and dry well causes large measuring errors. This difference increases as the difference between the diameters increases.

•Always clean the probes, before use.

•Do not force the probes into the dry well, insert the probe down to the bottom of the dry well.

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K400 Issue No. 1

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GE K400 user manual Installation, Power Supply, Temperature Probes
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K400 specifications

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