Endress+Hauser nivotester FTC 420 - English

Contents
Introduction 21
Measuring system 21
Function 22
Supplementary documentation 22
Technical Data 23
Installation 24
Safety 24
Mounting the Nivotester 25
Electrical connection 26
Replacement of the Nivotester 29
Calibration 30
Calibration of Nivotester FTC 420 with an
uncovered probe 31
Calibration with a covered probe 33
Calibration with a variable level 33
Calibration of the Nivotester FTC 421 34
Trouble-shooting 36
Key Words
A
Ambient temperature 25, 26
C
Calibration for maximum fail-safe mode 32, 33
Calibration for minimum fail-safe mode 32, 33
Change of product 30
Conductive build-up on the probe 31
Connections 26
Controls 31
E
Electronic insert 27, 30
F
Fail-safe mode 28
I
Installation 24…29
M
Maximum fail-safe mode 32, 33
Measuring system 21
Minimum fail-safe mode 32, 33
Mounting rail 25
N
Nivotester 420, calibration 31
Nivotester FTC 421, calibration 34
Normal operation 36
O
Operating Temperature 23
Output relay 29
P
Power supply 26
Probes 21
Protective housing 26
R
Relay 23
Replacement 29
S
Safety 24
Spacing of units 25
Switching delay, Nivotester FTC 421 35
Nivotester FTC 420/421
20