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
