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NK Instruments Pvt. Ltd.

NK Instruments Pvt. Ltd.
location Naupada, Thane, Maharashtra

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Our Products

  1. Level Switches 23 Products available
  2. Transmitter Device 9 Products available
  3. Pressure Switches 9 Products available
  4. Level Transmitters 8 Products available
  5. Control Panels 3 Products available
  6. Electrodes 3 Products available
  7. Measurement Gauges & Fittings 3 Products available
  8. Sensors 2 Products available
  9. Temperature Switches 2 Products available
  10. Signs 2 Products available
  11. Thermocouple 2 Products available
  12. Calibrators And Monitoring Systems 2 Products available
  13. Electric Fittings And Components 2 Products available
  14. Temperature Controller 1 Products available
  15. Limit Controller 1 Products available
  16. Valves & Valve Fittings 1 Products available
  17. Security, Metal & Leak Detectors 1 Products available
  18. Wires 1 Products available
  19. Security And Inspection Devices 1 Products available
  20. Others Products 23 Products available

Our Products

We are leaders in the market for providing best range of Pressure Switch - MN series, Dual Pressure Switch, DP Gauge - Magnetic coupling Diaphragm type 200 DGR, Pressure Switch - Ex series and Pressure Switch - MD series

Pressure Switch - MN Series

Pressure Switch - MN Series
Varies ranges : from 0 to 150 mm wc up to 0 to 600 bar differential (dead band) : fixed (within 10% of set value) temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : one no. Or, two nos. type of switches : micro switches - spdt sensing element : diaphragm (ptfe or neoprene or ss 316) or piston enclosure : dustproof ip 40, weatherproof to ip 54 ip 65 ip 66, flameproof
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Dual Pressure Switch

Dual Pressure Switch
Various pressure ranges : from 0 to 1 bar up to 0 to 400 bar stage difference (dead band between two switches) : fixed stage differential or, adjustable stage differential temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : two nos. type of switches : micro switches - 2 spdt (5a 250 v ac or, 0.2 a 250 v dc.) sensing element : diaphragm (ptfe, neoprene or, ss 316:l) or, piston enclosure : weatherproof (ip 54), weatherproof (ip 65), weatherproof (ip 66), flameproof pressure housing : aluminium, brass, ss 316 or, special on request process connection : bsp (f) or, special on request
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DP Gauge - Magnetic Coupling Diaphragm Type 200 DGR

DP Gauge - Magnetic Coupling Diaphragm Type 200 DGR
We have diaphragm operated differential pressure gauges which do not have any bourden tube in it. These dp gauges works on magnetic coupling principle. these gauges are suitable for non-magnetic fluids only and more in demand for dp measurement applications in hvac across heat exchangers across pumps across filters across strainers, level measurement in pressurized tanks, flow rate indication across orifice plate etc.Ranges : various dp ranges from 15 mm wc up to 7 bar we can also offer compound ranges. Sizes : diaphragm & piston type gauges are available in options like 2 12, 3 12, 4, 4 12, 6 dia. battery operated digital dp gauges are available in 4" dia. external powered digital dp gauges are available in panel mounted or, wall mounted versions. Connection : 14 npt-f (standard) accuracy : + - 2% fsd (ascending) working pressure : various options up to 100 bar porting : options like in line. Back or, bottom calibration : non-linear, spread over 65 degrees to 75 degrees arc. Sensing element : small convoluted diaphragm wetted parts : aluminium, brass, ss 316, inductrial plastic, buna n, viton max. Working temp.: with buna n as sealants max. 60 degree c & with viton max. 200 degree c. Enclosure : ip 65 certification : ce single or, duel reed switch contacts can be provided along with the gauge, either in ip65 or, flameproof enclosure.
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Pressure Switch - Ex Series

Pressure Switch - Ex Series
Settable ranges - various ranges starting from 20 to 150 mm wc up to 100 to 400 bar differential (dead band) - adjustable temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : one no. type of switches : micro switches - 1 spdt sensing element : diaphragm (ptfe neoprene ss 316l) or piston enclosure : dust proof (ip 40), weatherproof (ip 54 ip 65 ip66), flameproof
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Pressure Switch - MD Series

Pressure Switch - MD Series
Varies ranges : from 0 to 150 mm wc up to 0 to 600 bar differential (dead band) : fixed (within 10% of set value) temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : one no. Or, two nos. type of switches : micro switches - spdt sensing element : diaphragm (ptfe or neoprene or ss 316) or piston enclosure : dustproof ip 40, weatherproof to ip 54 ip 65 ip 66, flameproof
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Pressure Switch - SE Series With Cap

Pressure Switch - SE Series With Cap
Varies ranges : from 0 to 150 mm wc up to 0 to 600 bar differential (dead band) : fixed (within 10% of set value) temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : one no. Or, two nos. type of switches : micro switches - spdt sensing element : diaphragm (ptfe or neoprene or ss 316) or piston enclosure : dustproof ip 40, weatherproof to ip 54 ip 65 ip 66, flameproof
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Pressure Switch With Flush Diaphragm

Pressure Switch With Flush Diaphragm
Varies ranges : from 0 to 150 mm wc up to 0 to 600 bar differential (dead band) : fixed (within 10% of set value) temperature range : -10 to 80 degree c (for high temperature use of impulse tube is advisable) accuracy : +- 1% to 2% fs no. Of switches : one no. Or, two nos. type of switches : micro switches - spdt sensing element : diaphragm (ptfe or neoprene or ss 316) or piston enclosure : dustproof ip 40, weatherproof to ip 54 ip 65 ip 66, flameproof
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Digital Temperature Switches

Digital Temperature Switches
Digital Temperature Switches are basically with 3 options by mounting style ; Integral or, with Wall mounted Digital unit or, with Panel mounted Digital unit. Various type of sensor types are possible like : various type of RTDs or, Thermocouples. Display : LED or, LCD Outputs : Either One or, two nos. digital outputs. Relay or, PNP (Hysteresis optional) Contact parts : SS 304 or, SS316 Housing : IP 65 Optional with IP 67, Flameproof or, ATEX Certified
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Level Switch - Conductivity Type

Level Switch - Conductivity Type
Conductivity type level switches are very commonly used for liquid level sensing and control applications. It is suitable only for conducting liquids. Salient features: no moving part, free from maintenance.no special cable required for signal transmission, economical to install.long cable connection permissible between probe and evaluation unit.ac on probes for prevention of electrolytic deterioration of electrodes.low voltage on probe for operational safety.variety of control functions and installation system available, beside single point switching.A] two point action for automatic pump control.B] two point independent switching.C] three point switching, two points with pump control logic and one independent pointd] four point switching having two-pump control logic.variety of probes available for various process conditions.multi channel -4 point independent switching available for various process conditions. Technical specifications (standard): switching unit:housing: din rail mountingambient temperature: 0 c to +60 cpower consumption: 1.9 vamains voltage: 230110 v ac (+-15%), 50 hz or 24 v dc (on request)output: 1 sets of potential free co contacts rated at 10 amps, 250 v ac for non-inductive loads.Response time: 0.5 sec sensor unit: housing: aluminium die cast weight: 1.5 kg cast al.
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Level Switch - Rope Type Conductivity

Level Switch - Rope Type Conductivity
Conductivity type level switches are very commonly used for liquid level sensing and control applications. It is suitable only for conducting liquids. Salient features: no moving part, free from maintenance.no special cable required for signal transmission, economical to install.long cable connection permissible between probe and evaluation unit.ac on probes for prevention of electrolytic deterioration of electrodes.low voltage on probe for operational safety.variety of control functions and installation system available, beside single point switching.A] two point action for automatic pump control.B] two point independent switching.C] three point switching, two points with pump control logic and one independent pointd] four point switching having two-pump control logic.variety of probes available for various process conditions.multi channel -4 point independent switching available for various process conditions. Technical specifications (standard): switching unit:housing: din rail mountingambient temperature: 0 c to +60 cpower consumption: 1.9 vamains voltage: 230110 v ac (+-15%), 50 hz or 24 v dc (on request)output: 1 sets of potential free co contacts rated at 10 amps, 250 v ac for non-inductive loads.Response time: 0.5 sec sensor unit: housing: aluminium die cast weight: 1.5 kg cast al.
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Float Operated Level Switches - Top Mounted Type

Float Operated Level Switches - Top Mounted Type
Float type level switches are available in side mounted versions and top mounted versions.These type of level switch are suitable for non-magnetic fluids only. Process connection : flanged, thread end, triclover clamp type or, l shaped clampt type moc of float, stem and stoppers: ss 304 , ss 316, pp, teflon etc. Terminal housing : aluminium housing, flameproof housing, din plug or, flying leads switching contacts : spdt or, spst. Reed type or, micro switch type no. Of switches : in verticle mounted version-one no. And two nos. Are very common. But we can also give multiple level switches in a special case, but in side mounted version-one switch only
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Float Type Level Switch With 2 Floats - Top Mounted

Float Type Level Switch With 2 Floats - Top Mounted
Float type level switches are available in side mounted versions and top mounted versions.These type of level switch are suitable for non-magnetic fluids only. Process connection : flanged, thread end, triclover clamp type or, l shaped clampt type moc of float, stem and stoppers: ss 304 , ss 316, pp, teflon etc. Terminal housing : aluminium housing, flameproof housing, din plug or, flying leads switching contacts : spdt or, spst. Reed type or, micro switch type no. Of switches : in verticle mounted version-one no. And two nos. Are very common. But we can also give multiple level switches in a special case, but in side mounted version-one switch only
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Float Type Level Switch With Flange Connection - Top Mounted VMT-SS

Float Type Level Switch With Flange Connection - Top Mounted VMT-SS
Float type level switches are available in side mounted versions and top mounted versions.These type of level switch are suitable for non-magnetic fluids only. Process connection : flanged, thread end, triclover clamp type or, l shaped clampt type moc of float, stem and stoppers: ss 304 , ss 316, pp, teflon etc. Terminal housing : aluminium housing, flameproof housing, din plug or, flying leads switching contacts : spdt or, spst. Reed type or, micro switch type no. Of switches : in verticle mounted version-one no. And two nos. Are very common. But we can also give multiple level switches in a special case, but in side mounted version-one switch only
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Float Type Level Switch With Threaded Connection

Float Type Level Switch With Threaded Connection
Float type level switches are available in side mounted versions and top mounted versions.These type of level switch are suitable for non-magnetic fluids only. Process connection : flanged, thread end, triclover clamp type or, l shaped clampt type moc of float, stem and stoppers: ss 304 , ss 316, pp, teflon etc. Terminal housing : aluminium housing, flameproof housing, din plug or, flying leads switching contacts : spdt or, spst. Reed type or, micro switch type no. Of switches : in verticle mounted version-one no. And two nos. Are very common. But we can also give multiple level switches in a special case, but in side mounted version-one switch only
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Level Switch - Rope Type Rotary Paddle

Level Switch - Rope Type Rotary Paddle
We have rotary paddle type level switches which are recommended only for dry mediums like powder, granuls, pallets etc. Salient features:flexible coupling (optional as per application) robust, dust and watertight housing . Extended probe possible. Extended life by motor shut off design. Sealed bearings. Interchangeable paddle assemblies, magnetic clutch mechanism technical specifications (standard):switching unit:housing: aluminum, weather proof, powder coated. Integral with the probecable entry: 2 nos.Ambient temperature: 0 c to +60 cpower consumption: 1.9 vamains voltage: 230110 v ac (+-15%), 50 hzoutput: 1 sets of potential free co contacts rated at 5 amps, 230 v ac for non-inductive loads.Switch status display:green led shows normal, red led shows alarm condition.Mounting : screwed 1 bsp (standard) or flanged (optional)sense rod : stainless steel, 12 mm diapaddle : 1 4; paddles depending upon application.Operating temp in : 80 deg for the standard unit. 200c on request
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RF Admittance Flange Mounted

RF Admittance Flange Mounted
Our rf level switch is widely applied in various products such as building industry materials, cement, sand, lime, milk powder, flour, salt, food grains, powder, granular, chemical and mining etc. These comprise of a specially designed electronics and sensing probe using driven shield coat guard circuit and corresponding 3-element probe. The electro-mechanical combination of the coat guard technique is there makes the system immune to the material build-up on the probe and material bridging between the probe and the hopper wall. The measured signal does not flow to the hopper wall through the probe in the backward direction but flows only through the material.
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Digital Temperature Indicating Controller - Flameproof

Digital Temperature Indicating Controller - Flameproof
We provide process indicators and process indicating controllers as per the clients demand & the process needs. Input can be 4 to 20 ma, 0 to 10 v or, pulses, resistance etc. Output can be potential free contacts (single two or, four nos.) or, re-transmitter etc. Display will be led 7 segment or, lcd power supply can be 230 v ac, 110 v ac, 24 v dc or, 12 v dc mounting types can be panel mounted, wall mounted or, field mounted enclosure types can be ip 40, ip 54, ip 65 or, flameproo
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Temperature Scanner 16 Channels

Temperature Scanner 16 Channels
We provide process indicators and process indicating controllers as per the clients demand & the process needs.Input can be 4 to 20 ma, 0 to 10 v or, pulses, resistance etc.Output can be potential free contacts (single two or, four nos.) or, re-transmitter etc.Display will be led 7 segment or, lcdpower supply can be 230 v ac, 110 v ac, 24 v dc or, 12 v dcmounting types can be panel mounted, wall mounted or, field mountedenclosure types can be ip 40, ip 54, ip 65 or, flameproo
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Universal Input Digital Indicator UAC100

Universal Input Digital Indicator UAC100
We provide process indicators and process indicating controllers as per the clients demand & the process needs. Input can be 4 to 20 ma, 0 to 10 v or, pulses, resistance etc. Output can be potential free contacts (single two or, four nos.) or, re-transmitter etc. Display will be led 7 segment or, lcd power supply can be 230 v ac, 110 v ac, 24 v dc or, 12 v dc mounting types can be panel mounted, wall mounted or, field mounted enclosure types can be ip 40, ip 54, ip 65 or, flameproof.
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