WIKA Hydra-Gauge - Manual (Page 11)

WIKA operating instructions HYDRA-Gauge 11
9015329.01 08/2013 GB/D/F/E
GB
7. HYDRA-Gauge with switch contacts
7.4 Specifications Electronic contact model 830 E
Range of operating voltage DC 10 ... 30 V
Residual ripple max. 10 %
No-lead current ≤ 10 mA
Switching current ≤ 100 mA
Leakage current ≤ 100 mA
Function of switching element Normally open
Type of output PNP transistor
Voltage drop (with I max.) ≤ 0.7 V
Reverse polarity protection conditional U
B
(the output 3 or 4 switch must never be set
directly to minus)
Anti-inductive protection 1 kV, 0.1 ms, 1 kΩ
Oscillator frequency approx. 1000 kHz
EMC per EN 60947-5-2
Ambient conditions and temperature in accordance with measuring instrument
Installation
installed directly in the measuring instrument at the factory,
maximum 2 switch contacts per measuring instrument
7.5 Adjusting the set pointers
The adjustment of the set points is
achieved using the adjustment lock
in the window with the aid of the
adjustment key (included in delivery).
Adjustment lock
Set pointer
The set pointers for the limit switches are freely adjustable over the full scale range. For
reasons of switching accuracy and service life of the mechanical measuring systems, the
switch points should be between 10 % and 90 % of the measuring range.