Fluke BT521 - Turn On;Off the Handle Power (BTL20;BTL21); Understand the Handle Display

Turn On/Off the Handle Power (BTL20/BTL21) 4
4-3
Turn On/Off the Handle Power (BTL20/BTL21)
The interactive handle is powered by the Product.
The handle powers on when it is connected to the Product. Push the power key below
the display to turn on or turn off the handle power.
When the handle is connected to the Product, the handle automatically turns on.
To conserve product battery power, push the power key below the handle display.
Note
When the handle power is off, temperature measurement is disabled
(BTL21 only). Other measurement functions are not affected.
Understand the Handle Display
Table 4-1 describes the typical elements on the handle display.
Table 4-2. Typical Elements on the Handle Display
1
2
3
4
7
9
10
11
5
8
6
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Item No. Description Item No. Description
 Battery ID(Sequence mode)  Unit of impedance
 Hazardous voltage  V ac or V dc
 AutoHold function is enabled.  Unit of frequency
 Temperature reading  Voltage or frequency reading

Unit of temperature (Celsius or
Fahrenheit)
 Voltage or impedance reading
 V ac, mV ac, or V dc