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Home | Products | Level | Level Switches | Conductive | NIVOCONT K

NIVOCONT K – Conductive Level Switches

Level Switches, probes and Compact Level Switches.

Nivelco KKH-200 Conductive Level Switch
Conductive Level Switch Nivelco KRK-512-5
Conductive Level Switch Nivelco KRK-622
Single Probe Socket Nivelco KSN-201-0
Multi Probe Socket Nivelco KSH-200
Submersible Probe Nivelco KSK-201

NIVOCONT K Features

  • Limit switch or differential switch versions
  • Adjustable sensitivity
  • Adjustable time delay
  • High or low fail-safe mode
  • All wetted parts stainless steel
  • Compact unit with two independent relays
  • Separate probe and relay unit
  • Rod probes up to 3 m
Brand: NIVELCO
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  • Product Details
  • Technical Specs
  • Ordering Information
  • Documents

NIVOCONT K level switches, based on the conductivity principle, can be applied to liquids with conductivity higher than 10-5 S/cm.

For detecting the level, probes are immersed into the tank. These probes (and the tank wall if conductive) serve as contacts of an electric circuit.

Probes can be of single or multiple rod versions. A maximum of 4 probe rods can fit in the multiple probe socket with an additional reference probe if tank wall is not conductive.

The probe length should be in accordance with the level to be detected. When the liquid level reaches the probe, it will create a short-circuit and the output relay will be activated. The device senses the conductivity difference between the probes and the reference probe. The KLP separators should be used at every 0.5 m to provide suitable distance between the probes.

https://www.intech.co.nz/wp-content/uploads/15_NIVOCONT-K.mp4

Main Features:

Level switches

KRK-512 

  • Level switching
  • Filling-emptying control
  • Selectable NO/NC relay function
  • Adjustable sensitivity
  • Adjustable delay ON and delay OFF time
  • Delay time indication
  • AC/DC versions

KRK-622

  • The following functions can
    be selected:
    – Monitoring of 2 independent levels in 2 tanks
    – Monitoring of 2 independent levels in 1 tanks
    – Pumping from one tank to another
  • DIP switch selection on the front panel (8 functions)
  • Adjustable probe sensitivity (for each probe separately)
  • Adjustable relay switching delay (for each probe separately)
  • AC/DC versions

Compact level switches

KKH-2_2

  • Probe and relay in one unit
  • 1 or 2 incorporated KRK-512 electronics
  • 1 or 2 independent relay outputs for pump control or differential level switching
  • Selectable NO/NC relay function
  • Adjustable sensitivity
  • Adjustable delay ON and delay OFF time
  • Delay time indication
  • AC/DC versions
Probes Single Probe Multi Probe Submersible
Aluminium housing Plastic housing
KSP-201 KSS-201 KSN-201 KSH-202 KSH-203 KSH-204 KSH-301 KSH-302 KSH-303 KSH-304 KSK-201
Number of
probes
1 2+s* 3+s* 4+s* 1+s* 2+s* 3+s* 4+s* 1
Process
connection
3/8″ BSP 1 1/2” BSP Cable
mountable
Probe socket
material
PP carbon steel 1.4571 PP -
Housing - Aluminium cast PBT ABS
Probe material 1.4571 1.4401
Insulation
of socket
PP PFA PP -
Medium
temperature
max. +80 °C max. +200 °C max. +80 °C
Pressure max max. 0.3 MPa
(3 bar)
max. 1.6 MPa (16 bar) max. 0.3 MPa (3 bar) -
Electrical
connection
With rubber cap M20x1.5 cable gland, cable diameter: 6…12mm Pg9 (1)
Ingress
protection
IP20 IP65 IP67 IP68
Mass
(w/o probe)
0.1 kg 0.4 kg 0.2 kg 0.05 kg
s* = reference probe (1) Cable: Ø4 – 7 mm
Type KRK-512-5 KRK-522-□
Power supply (Un) 24 – 240 V AC/DC 110 V AC, 230 V AC 24 V AC/DC
-15% … +10%
Power consumption max. 2.5 VA / W max. 4.5 VA / W
Ambient temperature -20 °C … +55 °C
Probe voltage 3.5 V AC 5 V AC
Probe current max. 0.2 mA AC max. 1 mA AC
Sensitivity Adjustable: 5 kΩ – 100 kΩ
Cable capacitance 100 nF (100 kΩ sens.)
800 nF (5 kΩ sens.)
max. 4 nF
Fixed on-delay (t1) 1.5 sec -
On and off-delay 0.5 – 10 sec
Relay output 1x SPDT 250 V 8A, AC1
24 V DC min. 500 mW
2x SPDT 250V 16A, AC1
24 V DC min. 500 mW
Electrical connection Terminal block, max. 2.5 mm2 / with insulation 1.5 mm2
Electrical protection Class II
Mechanical connection EN 60715 rail
Ingress protection IP20
Mass 72 g 240 g
Type KKH-212-5 KKH-222-5
Power supply (Un) 24 V – 240 V AC/DC
-15% … +10%
Power consumption max. 2.5 VA / W max. 5 VA / W
Ambient temperature -20 °C … +50 °C
Medium temperature max. +80 °C
Medium pressure 1 bar
Number of probe 2+s* 4+s*
Probe voltage 3.5 V AC
Probe current max. 0.2 mA
Sensitivity Adjustable: 5 kΩ – 100 kΩ
Fixed on-delay 1.5 sec
On and off-delay 0.5 – 10 sec
Relay output 1x SPDT 250 V 8A AC1 / DC 24V 8A 2x SPDT 250V 8A, AC1 / DC 24V 8A
Electrical connection Cable gland: 2x M20x1.5 Ø6 – 12 mm cables, Terminal block,
max. 2.5 mm2 / with insulation 1.5 mm2
Electrical protection Class II
Process connection 1½” BSP
Material of probe socket PP
Housing material Polycarbonate
Ingress protection IP67
Mass 660 g (without probe) 800 g (without probe)
s*=reference probe

  • Conductive Level Switches Nivelco NIVOCONT K - Brochure 1.60 MB
  • Conductive Level Switches Nivelco KKH-200 - Manual 588.38 KB
  • Conductive Level Switch Nivelco KRK-512 - Manual 291.77 KB
  • Conductive Level Switch Nivelco KRK-522 - Manual 282.16 KB
  • Conductive Level Switch Nivelco KRK-622 - Manual 1.79 MB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
KRK-512-5

Conductive level switch, 1x SPDT relay, 24~240Vac/dc

$160.00
KRK-622-1

Conductive level switch, 2x SPDT relays, 230Vac

$204.00
KRK-622-4

Conductive level switch, 2x SPDT relays, 24Vac/dc

$219.00
KKH-212-5

Compact level switch, single channel (3 probes) (Includes 1 x KRK-512)

$369.00
KKH-222-5

Compact level switch, dual channel (5 probes) (Includes 2 x KRK-512).

$506.00
KSK-201

Submersible probe

$36.00
KSP-201

Single Probe socket, PP/PP

$62.00
KSN-201

Single Probe socket, Stainless Steel/PFA

$108.00
KSH-202

Multi-probe socket, Aluminium, 2 electrodes + reference electrode, 1.5”BSP

$440.00
KSH-203

Multi-probe socket, Aluminium, 3 electrodes + reference electrode, 1.5”BSP

$530.00
KSH-204

Multi-probe socket, Aluminium, 4 electrodes + reference electrode, 1.5”BSP

$620.00
KSH-302

Multi-probe socket, Plastic, 2 electrodes + reference electrode, 1.5”BSP

$264.00
KSH-303

Multi-probe socket, Plastic, 3 electrodes + reference electrode, 1.5”BSP

$335.00
KSH-304

Multi-probe socket, Plastic, 4 electrodes + reference electrode, 1.5”BSP

$382.00
KLP-204

Separator for KSH-200

$7.80
KLP-201

Separator for KSH-300 and KKH-200

$6.80
KLN-210

Electrode, M6 thread, 1.0m, for KS and KKH.

$36.00
All prices are in NZ$, and GST exclusive and are subject to change without notice.

Intech Instruments Ltd are the New Zealand distributor for Nivelco products. Please contact the Nivelco distributor in your country if you require sales or service support for Nivelco products.

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