Fluke 1625 User Manual

1625
Users Manual
26
e) Activation of display illumination
By keeping the "CHANGE ITEM" button pressed during the switch on se-
quence the display illumination is activated. Illumination fades away automati-
cally if the instrument is switched to"Stand by" and, together with the instru-
ment, is switched on again by pressing any button. The instrument is switched
off with ON/OFF on the central rotary switch exclusively.
Operation
The measuring functions have two initial operational modes: the Control loop
and the Measuring loop (see Figure 6).

Fluke 1625 Specifications

General

Storage Temperature	-20 °C to 60 °C
Testing Methods	3-pole fall-of-potential, 4-pole
Measurement Frequency	128 Hz
Power Supply	6 x 1.5 V AA batteries or optional AC adapter
Safety Rating	CAT II 300 V
Safety Standards	IEC 61010-1