Fluke 1551A Ex Calibration Manual

1551A Ex/1552A Ex
Calibration Manual
6
Recommended Equipment
The equipment listed in Table 2 will satisfy the calibration requirements:
Table 2. Recommended Equipment
Equipment Recommended Model
Temperature Baths Fluke 6331 40 °C to 300 °C Hot Bath
Fluke 7381 -80 °C to 110 °C Cold Bath
Fluke 7196 Equilibration Block
Reference Thermometer Fluke 5699-S Extended Range Metal-Sheath SPRT
Reference Thermometer Readout 1594A Super-Thermometer readout
Computer Computer with an RS-232 com port
RS-232 serial cable
Terminal software to communicate with the 1551A
Ex/1552A Ex Thermometer
Initial Setup
Check the batteries in the Product and replace them if necessary. The battery level
indication is found in the Setup menu.
Several settings in the Setup menu relate to measurement and should be set as follows:
• Sample Rate: 1 per second
• Damping: OFF
• Display Resolution: 0.001
• Auto Power Off: OFF
The unit of measurement in the 1551A Ex/1552A Ex Thermometer may be set to °C or
°F, but must match the unit of the reference thermometer.
The baud rate in the computer software must match the baud rate of the 1551A Ex/1552A
Ex Thermometer, which is usually 9600 but may be set to 2400.

Fluke 1551A Ex Specifications