Tegam 921B, Руководство по эксплуатации, Страница: 14 / 47

Preparation for Use
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4. If present, carefully remove old batteries being careful to not damage the battery
contacts;
5. Use only Zinc - Manganese Dioxide or Alkaline - Manganese Dioxide AA cells that
have been tested by a nationally recognized laboratory to mee t the requirements
of UL 60079 - 11, Sixth Edition. Use of any other battery will invalidate the T ype
Certificate and create a hazardous condition. The only batteries that TEGAM, Inc.
has secured such testing, which are approved for use in either a 921B or 922B, are
listed on the T ype Certific ate . They are:
• Energizer E91
•
Duracell MN1500
6. Observing proper polarity, install three (3) new, AA alkaline (IEC LR6, ANSI 15)
batteries;
7. Re- install the battery cover and two (2) retaining screws;
8. At initial power on after battery replacement, allow approximately 30 seconds for
instrument to stabilize .
Figure 1: Battery Installation
Making Your First Temperature Measurement
TEGAM’s 900 Series Thermocouple Thermometers are designed for easy operation, while still
providing a feature - rich experience via the intuitive user interface.
To get started making temperature measurements right away, follow these steps:
1. Perform Section 2.7, Battery Installation and Replacement ;
2. Connect a compatible temperature probe to the Channel 1 and / or Channel 2 input
connector located at the top of the instrument;
To ensure best measurement accuracy, allow several minutes for the
thermocouple probe and connector to thermally stabilize after
Retaining Screws
Battery
Compartment
Gasket