NS43, Level Monitor, 5 Limits, MIN/Max-control

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- Part number: V223267
Level Monitor, 4 Limits, MIN / MAX-Control, protection against overflow and running dry, Housing Design K for switchgear cabinet
The level monitor NS43 regulates the level of liquid in a container between 2 electrodes. In the normal operation the level of the liquid is situated between the electrodes E2 and E3. The relay K2 tightens, if the level E3 is achieved and drops, if E2 is fallen below. Over the output contacts (1 change-over switch) a pump or a valve can be controlled depending upon case of application and so the level be regulated.
If the level continues to rise in an incident and if the electrode achieves E4, then a message takes place via relay K3 (drops). In the reverse case (level under E1) the relay K1 drops and protects e.g. a pump against running dry. LEDS signal, which electrodes are moistened.
- Level monitoring of leading liquids
- MIN/MAX level regulation
- protection from overflow
- protection from running dry
- sensitivity adjustable 5...250 kΩ
- LED for level display / alarm
Application
In the galvanotechnics and everywhere, where the level of a leading liquid must be held on a certain level and at the same time a monitoring on overflow and/or no-load operation is necessary.
Technical Data
Supply voltage Us
.......
AC/DC 24-240 V
Admissible tolerance Us
.......
AC 20-264 V, DC 20-297 V
Power consumption
.......
≤ 5 VA, < 3 W
Frequency
.......
0,45-62 Hz
Relay
.......
3 CO
Contact
.......
Type 2 see general technical information
Pick up delay
.......
approx. 1 s
Release delay
.......
approx. 1 s
Test conditions
.......
see general technical information
Rated ambient temperature range
.......
-20°C...+60°C
Number of electrodes
.......
5
Voltage at electrodes
.......
< AC 3 Veff (≤ 0,1 mA)
Line capacity at 5 kΩ
.......
max. 500 nF = approx. 2500 m
Line capacity at 25 kΩ
.......
max. 100 nF = approx. 500 m
Line capacity at 250 kΩ
.......
max. 10 nF = approx. 50 m
Dimensions (h x w x d) mm
.......
Design K: 75 x 22,5 x 115 mm
Attachment
.......
Snap mounting on 35 mm standard rail
Protection housing/terminals
.......
IP 30/ IP 20
Weight
.......
ca. 130 g
Input / measuered parameter: | Resistance/conductance |
Outputs: | Alarms/relays |
Design: | Mount in switchgear cabinet |