Fluke 1625 User Manual

i
Table of Contents
Title Page
Introduction .......................................................................................... 1
Models and Accessories........................................................................ 3
Safety Instructions ................................................................................ 4
Qualified Staff .................................................................................. 5
Setup..................................................................................................... 5
Unpacking......................................................................................... 5
Checking the Scope of Delivery ....................................................... 5
General ................................................................................................. 6
Additional Accessories ......................................................................... 6
Assembly .............................................................................................. 7
Description of Functions....................................................................... 7
Measurement of Interference Voltage (U
ST
) ..................................... 8
Measurement of Interference Frequency (F
ST
).................................. 8
Measurement of Earthing Resistance (R
E
)........................................ 9
Selective Measurement of Earthing Resistance (R
E
A) ................ 9
Resistance Measurement (R~) .......................................................... 9
Low Resistance Measurement (R F )................................................. 9
Checking for Correct Measuring Connection ................................... 9
Beeper............................................................................................... 9
LO-BAT............................................................................................ 10
Specifications........................................................................................ 10
Measurement of Interference Voltage DC + AC (U
ST
) ..................... 13
Measurement of Interference Frequency (F
ST
).................................. 13
Earthing Resistance (R
E
)................................................................... 13
Selective Measurement of the Earthing Resistance (R
E
A)............ 17
Resistance Measurement (R~) .......................................................... 18
Resistance Measurement (RF)......................................................... 19
Compensation of Lead Resistance (R
K
) ............................................ 20
Description of the Operating Elements ................................................. 21
Description of Display Elements ...................................................... 23
Procedure of Measurements.................................................................. 24
POWER ON Functions ................................................................. 25
Operation ...................................................................................... 26
Checking of Correct Measuring Connection (Socket Allocation). 30
Safety Control Measurements....................................................... 31

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