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1529 Chub-E4 Thermometer Readout
DC Power Source
5.4.2
Connecting a Thermocouple
The 1529 thermocouple input module accepts both standard and sub-miniature size
thermocouple connectors. The connection is made with the positive terminal on the
right and the negative terminal on the left. You must use a connector that matches the
thermocouple type for the internal RJC to be accurate. For example, if you are using
a type K thermocouple you must also use a type K connector, which is made from the
same type of metal. For best results, wait two minutes before measuring after inserting
the thermocouple connector into the input module.
Figure 5 Thermocouple Connections
5.5 DC Power Source
Caution: For CE compliance and for performance, use only the AC adapter
shipped with the instrument by Hart Scientific. If the AC adapter needs to be re-
placed, contact an Authorized Service Center (see Section 1.3, Authorized
Service Centers on page 4).
The DC power source provides power to charge the battery. It can also be used to pow-
er the 1529 while the battery is being charged. The AC adapter provided with the 1529
is intended for these purposes. The DC power source plugs into the DC power input
on the back panel of the instrument. The AC adapter has circuits with high voltages
inside that could present danger of electric shock or fire if exposed. If the AC adapter
is damaged in any way or becomes hot, discontinue use immediately, disconnect the
adapter from any AC supply, and replace the adapter. Do not attempt to open, repair, or
continue using a damaged or defective AC adapter.
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