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NK Instruments Pvt. Ltd.
Thane, Maharashtra, India
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Our Products

  1. Calibrators And Monitoring Systems 5 Products available
  2. Measuring Instruments & Equipment 7 Products available
  3. Level Transmitters 4 Products available
  4. Level Switches 8 Products available
  5. Sensors 4 Products available
  6. Temperature Switches 3 Products available
  7. Transmitter Device 14 Products available
  8. Electrodes 5 Products available
  9. Limit Controller 3 Products available
  10. Pressure Switches 17 Products available
  11. Others 29 Products available

Other Products / Services #6644542

Manual Reset Type Vibration Switch

30,000 - 40,000 /Piece Get Latest Price
  • Material Mazak III
  • Enclosure Sealed Ingress Protection to IP 67 to BS EN60947-1
  • Finish Chromate Passivation with Polyester Point (Grey)
  • Set Level Range 0.5 to 9g Peak acceleration
  • In case of Gold Contacts 0.5 A 30 VDC max for 1.S. Currents
  • Contact Arrangements SPCO or, DPCO
  • Temperature Range -55 to +85°c
  • Electrical Reset Manual

Contact Rating with Silver Contacts : 

  • 5 A 240 VAC (non-inductive) SPCO
  • 3 A 30 VDC (non-inductive) up to 1 million operations
  • 4 A 240 VAC per contact for D Pole Versions

Installation And Operating Manual


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Catalogue


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Paddle Flow Switch

7,000 - 15,000 /Piece Get Latest Price
  • Service Liquids, Slurries, Air and Gases
  • Mounting On Vertical or Horizontal Mounted pipe line
  • Line Size For any pipe line size above 1/2
  • Flow set point Prefixed or, Field Adjustable
  • Paddle Material SS
  • Sealing Type With SS Bellow or, without Bellow
  • Switch Type SPDT Micro switch (5A or, 15 A)
  • Repeatability Better than +/- 1%
  • Accuracy +/-2.0 %
  • Max. Working Pressure 10 bar
  • Max. Working Temperature 100 degree C

Catalogue FSPT 25SR2 Series


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Catalogue Air Flow Switch Paddle AFSPT


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Catalogue IP67 Series AFSPT 01 & 02


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Catalogue PMFSPTA Series


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Catalogue FSPT 25SR2


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Catalogue FSPT 25SR2 New Final


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Catalogue MFSPT 15C2


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Catalogue MFS Series


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Catalogue FSPT15 Series


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Installation Manual Bellow Operated Paddle Type Flow Switch


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Installation Manual Magnetic Paddle Type Flow Switch


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Metal Tube Rotameter

30,000 - 65,000 /Piece Get Latest Price
  • Type Digital
  • Material Mild Steel
  • Thickness 40-60mm
  • Certification ISI Certified
  • Grade BS, DIN, GB
  • Outer Diameter 30-40mm

Catalogue Analogue Metal Tube Rotameter


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Catalogue Digital Metal Tube Rotameter


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Condensate Pot

3,000 - 5,000 /Piece Get Latest Price
  • Material MS And SS
  • Shape Cylindrical
  • Application Industrial
  • Capacity 150-300
  • Surface Treatment Color Coated
  • Standard ANSI, ASME
  • Technique Hot Rolled
  • Use Process Temperature is more than the highest temperature limit of the Pressure Instrument to be used in process
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TDS Indicating Controller With Electrode

20,000 - 30,000 /Piece Get Latest Price
  • Warranty 1 Year
  • Body SS 316
  • MOC of Electrode Platinum / Glass
  • Cell Constant Propreitary
  • Operating Temperature 100°C
  • Cable 5 Meters
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TDS Transmitter With Electrode

25,000 - 45,000 /Piece Get Latest Price
  • Material Metal
  • Thickness 7-10mm
  • Certification ISI Certified
  • Length 250-500mm
  • Weight 100-200gm
  • Finishing Polished
  • Feature Proper Working, Temperature Maintained
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DO2 Transmitter With Electrode

30,000 - 40,000 /Piece Get Latest Price
  • Application Industrial
  • Certification CE Certified
  • Weight 300-600gm
  • Packaging Type Box
  • Power Source Electric
  • Frequency Range 100-300MHz
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DO2 Indicator With Electrode

25,000 - 35,000 /Piece Get Latest Price
  • Material Metal
  • Thickness 7-10mm
  • Certification ISI Certified
  • Length 250-500mm
  • Weight 100-200gm
  • Finishing Polished
  • Feature Proper Working, Smooth Texture
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ORP Indicator With Electrode

35,000 - 55,000 /Piece Get Latest Price
  • Material Metal
  • Certification CE Certified
  • Application Industrial
  • Display Type Digital
  • Feature Durable, Light Weight
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PH Indicator With Electrode

20,000 - 30,000 /Piece Get Latest Price
  • Range 0 To 14 PH
  • Type of Electrode Glass Tube type Electrode
  • Process Connections 3/8” BSP (M)
  • Electrode Holder PVC, PTFE or, SS
  • Electrode Holder Mounting ¾” BSP (M)
  • Resolution 0.1
  • Max. Pressure 6 bar
  • Electrical connection Five meters cable with BNC connector
  • Approx. Length of the assembly 120 mm
  • Mounting Panel mounted
  • Display 4 digit, 7 segment LED display
  • Dimensions 96 X 96 X 110 mm
  • Relay 1 nos. 5 A, 230 V AC (Optional)

In many of the Pharma and beverages industries, DM or, WFI water is used where pH has to be monitored. In Effluent and Sewage treatment also pH has to be monitored and maintained. In manual control systems the pH value of the fluid can be seen accurately in our pH Indicator unit.
We have Online glass tube type pH Electrode which we provide along with the panel mounted Digital pH Indicator. The electrode is provided along with the pH Holder which also works as guard for the glass tube type Online pH Electrode.

Max. Temperature

  • Electrode with PVC top cover up to 60 degree C
  • Electrode with PTFE top cover up to 100 degree C
  • Electrode with SS top cover up to 120 degree C

Catalogue


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Operating Manual


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PH Transmitter With Electrode

45,000 - 65,000 /Piece Get Latest Price
  • Resolution 0.1
  • Power Supply 230 V AC
  • Output Temperature compensated 4 to 20 mA and 1 no. 5 A, 230 V AC
  • Type of Electrode Glass Tube type Electrode
  • Process Connections 3/8” BSP (M)
  • Electrode Holder Mounting ¾” BSP (M)
  • Electrode Holder PVC, PTFE or, SS
  • Range 0 to 14 pH
  • Max. Pressure 6 bar
  • Electrical connection Five meters cable with BNC connector
  • Approx. Length of the assembly 120 mm
  • Mounting Panel mounted
  • Display 4 digit, 7 segment LED display
  • Dimensions 96 X 96 X 110 mm

In many of the Pharma and beverages industries, DM or, WFI water is used where pH has to be monitored and output also would be required for remote Indication or, Control. In Effluent and Sewage treatment also pH has to be maintained after its processing.
We provide online pH Electrode with Protection, which acts as a guard for the glass tube pH Sensor and panel mounted Digital pH Indicator with 4 to 20 mA output.

 

Max. Temperature

  • Electrode with PVC top cover up to 60 degree C
  • Electrode with PTFE top cover up to 100 degree C
  • Electrode with SS top cover up to 120 degree C

Catalogues Online PH Indicator With Electrode


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Catalogues PH Indicator With Electrode


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Operating Manual Online PH Electrode With Transmitter


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Operating Manual PH Transmitter With Electrode


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Vacuum Switch With Adjustable On-Off Differential

3,500 - 6,500 /Piece Get Latest Price
  • Switch Type 1 No. SPDT snap action micro switch
  • Adjustable Range 760 to 100 mm Hg Vacuum
  • Enclosure IP 54, IP 65, IP 66 & Flameproof
  • Pressure Housing Aluminium, Brass or, SS 316
  • Diaphragm Neoprene, Teflon or, SS 316
  • Differential Adjustable from 100 to 500 mm Hg
  • Max. Working Pressure 12 Bar
  • Switch Rating 5A, 250V AC Or, 0.2A, 250 V DC
  • Cable Gland 3/8” Cable Entry
  • Calibration Scale Optional
  • Pressure Port 1/4” BSP (F)
  • Repeatability 1% FSR

Catalogue


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Explosion Proof Vibration Switch

35,000 - 45,000 /Piece Get Latest Price
  • Enclosure Sealed Ingress Protection to IP 67 to BS EN60947-1 and Flameproof to group IIA/IIB CCOE Certified
  • Material Die-Cast Zinc alloy, Mazak III
  • Finish Chromate Passivation with Polyester Point (Grey)
  • Set Level Range 0.5 to 9g Peak acceleration
  • In case of Gold Contacts 0.5 A 30 VDC max for 1.S. Currents
  • Contact Arrangements SPCO or, DPCO
  • Temperature range -55 to +85°C
  • Electrical Reset Manual

Contact Rating with Silver Contacts : 

  • 5 A 240 VAC (non-inductive) SPCO
  • 3 A 30 VDC (non-inductive) up to 1 million operations
  • 4 A 240 VAC per contact for D Pole Versions

Installation And Operating Manual


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Catalogue


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Industrial Control Panel

10,000 - 1 Lakh /Piece Get Latest Price
  • Power Source Electric
  • Phase Double Phase, Single Phase
  • Warrenty 2 Years
  • Material MS With Powder Coating, But We Can Provide In SS And Flameproof Enclosures Also
  • Enclosure Type IP 52, IP 54, IP 65 or, Flameproof

We design & manufacture the Control Panels as per Process requirements. As we manufacture Customized Controllers also, we can provide the Control panels along with Digital Process Indicators & Controllers or, also with PLC & Scada.

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Alarm Annunciator Panel

25,000 - 45,000 /piece Get Latest Price
  • Application Industrial
  • Driven Type Electric
  • Warranty 1 Yr
  • Number Of Windows 1-30
  • Automatic Grade Automatic
  • Frequency 50Hz , 60Hz
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Tensile Testing Machine

20,000 - 25,000 /piece Get Latest Price
  • Application Testing Strength Of Material
  • Weight 400-500kg
  • Automatic Grade Automatic
  • Driven Type Electric
  • Warranty 2years
  • Quality Optimum Quality
  • Display Type Digital
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Impulse Tubes

1,750 - 4,750 /piece Get Latest Price
  • Material Copper, Stainless Steel
  • Thickness 80-100mm
  • Certification ISI Certified
  • Length 10-15Mtr
  • Application Industrial
  • Grade BS, GB
  • Feature Durable, Fine Polished, Optimum Quality

To protect the Pressure, Vacuum or, DP Instruments from the higher temperature, we provide Impulse Tubes, which is also called as Capillary Tubes. The Instrument should be installed at one end of the Impulse Tube, ensuring that there are no any leakages at that end, and the other end of the impulse tube should be connected to the process.
These tubing can be in Copper or, SS construction, depending up on the material suitability for the process fluid.

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Temperature Scanner

15,000 - 30,000 /Piece Get Latest Price
  • Certification CE Certified
  • Application Scanning Use
  • Weight 2-4kg
  • Voltage 220V
  • Driven Type Electric
  • Feature Adjustable, Easy To Operate
  • Warranty 2yrs
  • Tilt Adjustment 0-60degrees
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Vacuum Switch With Fixed On-Off Differential

3,000 - 6,000 /Piece Get Latest Price
  • Packaging Type Box
  • Warranty 2 Yrs
  • IP Rating IP 54, IP 54, IP 65 or, IP 66
  • Adjustable Range 760 to 100 mm Hg Vacuum
  • Diaphragm Teflon or, Neoprene
  • Pressure Housing MOC Aluminium, Brass or, SS 316

Catalogue MT Vacuum Switch


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Catalogue MD-Series


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Catalogue MN-Series


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Catalogue MZ-Series


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Miniature Flow Switch

3,000 - 5,000 /Piece Get Latest Price
  • Service Any non-magnetic liquids or, gases
  • Series FS series or, WPFS series
  • Mounting On vertical or, horizontal pipe line
  • Process Connection 1/4”, 3/8”, ½”, ¾” Or, 1”
  • Flow Switch set point Prefixed or, Field Settable
  • Electrical connection Flying Leads or, DIN connector
  • Wetted Parts SS 304 or, SS 316
  • Switch type SPST (NO) Reed Switch (10 VA 230 VAC) / SPDT Reed Switch (10 VA 230 VAC)
  • Repeatability Better than +/- 1%
  • Accuracy +/-2.0 %
  • Max. Working Pressure 10 bar
  • Max. Working Temperature 80 degree C

Details :

  • FS series Switches are not suitable if the fluid carries suspended particles of size more than 50 microns.
  • WPFS series Flow Switches are suitable even though the fluid carries suspended particles of size more than 50 micron

Catalogue Flanged Type Miniature Flow Switch


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Catalogue Flow Switches Miniature Type


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Catalogue Miniature Flow Switches FS 4 5 6 CAD Series


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Catalogue Miniature Flow Switch With Fixed Set Point FS Series


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General Purpose Online Conductivity Transmitter

5,500 - 7,500 /Piece Get Latest Price
  • Certification CE Certified
  • Voltage 220V
  • Driven Type Electric
  • Warranty 1year, 1 Year
  • Usage Industrial

NK Instruments Pvt. Ltd. has Online Conductivity Indicating Transmitters, which are commonly used in Pharma and Food palnts to check the quality of water.
The Online Conductivity Meters (Transmitters) are available in Temperature Compensated and Non Temperature Compensated versions.
We also have Baumer make Online Conductivity Transmitters suitable for hygienic applications, (ISL series Online Conductivity Transmitters ComiLyz AF14, CombiLyz AF15) which are mostly used in Food, Pharma and Food Processing Industries.

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Pharma Purpose Online Conductivity Transmitter

65,000 - 85,000 /Piece Get Latest Price
  • Type of Enclosure IP 54, IP 65 or, Flameproof
  • Conductivity Range 0 to 2000 micros/cm
  • Sensing Electrode In SS316 construction with PTFE insulation
  • Process Connection 1/2
  • Temperature Compensation Can be provided

EHEDG and FDA certified Online Conductivity Transmitters are used in pharmaceutical Companies where there is a need to check the conductivity of the flowing or, stored liquids to maintain the quality of their product. Using the suitable controller and the suitable control valve, conductivity of the liquid can be  controlled.

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Remote Reset Type Vibration Switch

35,000 - 45,000 /Piece Get Latest Price
  • Material Mazak III
  • Enclosure Sealed Ingress Protection to IP 67 to BS EN60947-1
  • Finish Chromate Passivation with Polyester Point (Grey)
  • Set Level Range 0.5 to 9g Peak acceleration
  • In case of Gold Contacts 0.5 A 30 VDC max for 1.S. Currents
  • Contact Arrangements SPCO or, DPCO
  • Temperature Range -55 to +85°C
  • Electrical Reset Manual and Remote

Contact Rating with Silver Contacts : 

  • 5 A 240 VAC (non-inductive) SPCO
  • 3 A 30 VDC (non-inductive) up to 1 million operations
  • 4 A 240 VAC per contact for D Pole Versions

Installation And Operating Manual


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Catalogue


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Rf Admittance Type Level Switch

8,000 - 15,000 /Piece Get Latest Price
  • Min. Order (MOQ) 1 Piece
  • Packaging Type Box
  • Cable Length Without
  • Usage Industrial
  • Specialities High Quality
  • Overall Dimension Standard length 300 mm
  • Brand Name NK Instruments
  • Design Standard
  • Mechanical Life 5 Year
  • Media Type Any type of media
  • Phase Single Phase
  • Country of Origin India
  • Current Rating 6A
  • No Of Switch One
  • Switch Operation ON/OFF
  • Mounting Options Side, Top or Bottom
  • Pole And Throw Specification SPST
  • Meter Technology Admittance
  • AC & DC Voltage 24 V DC or 230 V AC
  • Process Temperature 100 degree or 200 degree C
  • Working Pressure 5 bar
  • Switch Positions One
  • Mounting Screwed 1 ½ BSP (standard) Or Flanged (optional)
  • Sense Rod Stainless Steel
  • Shield Stainless Steel
  • Insulation PTFE (standard) other on request and as per application.
  • Operating Temp in 100 deg for the integral switching vessel unit.225°C for remote switching unit
  • Power consumption 1.9 VA
  • Ambient temperature 0 ° C to +60° C
  • Cable Entry 2 nos.
  • Housing Aluminum, weather proof, powder coated. Integral with The probe/ suitable for back panel mounting
  • Mains Voltage 230/110 V AC (+/-15%), 50 Hz OR 24 V DC

The salient features of this level measuring instrument are as follow:

  • Three Element Coat Guard Technology
  • Can be configured either for High or Low Level point switching
  • Reduces the Inventory cost
  • Ignores material build-up on the probe
  • Suitable for the highly dusty environment
  • High Reliability
  • Fast and Easy Installation Simple Calibration
  • Field selectable operation logic
  • Provides economical solutions
  • Various models not required


Details :

  • Output: 2 sets of potential free c/o contacts rated at 5 amps, 230 V AC for non-inductive loads
  • Switching delay: Continuously adjustable From 1 to 20 sec. probe Free or probe covered (Optional)
  • Safety operation: Field selected switch over for min. or max. (FSL/FSH) switching points
  • Switch status display: Green LED shows Normal, Red LED shows alarm, Yellow
  • LED shows power on condition


The Principle of Working:

  • The major shortcoming of the conventional method is that after the level has once increased and then decreased, there may be a coating left on the probe sensed by the instrument as though the level is still on the probe. In our switch, a coat guard amplifier is incorporated in the circuit having its output exactly at the same voltage and phase at all times as its input.
  • The output is connected through the shield of the low capacitance co-axial cable to the concentric tube on the sense probe, called shield element. There is no current flow through the cable as both the elements, sense and shield are exactly at the same potential and phase at all times.
  • This results in no change in calibration due to coating on the probe and the temperature effect of the cable. This makes it possible to increase or shorten the cable connecting the switching unit without changing the original calibration.

Additional Information:

Payment Terms : T/T

Delivery Time : 10 to 15 days

Catalogue Level Switch - Boot Type RF Admittance


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Catalogue Level Switch - Remote Mounted RF Admittance


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Catalogue Level Switch - RF Admittance For V. High Temperature Applications


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Catalogue Level Switch - RF Admittance Type


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Catalogue Level Switch RF Admittance Type With Flange Mounting & Stand Off


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Catalogue Level Switch - Rope Type RF Admittance


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Catalogue RF Admittance Disc Probe Level Switch


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Catalogue RF Admittance Flange Mounted


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Thermocouple Connector

450 - 1,000 /Piece Get Latest Price
  • Material Metal, PVC
  • Thickness 9.5-10mm
  • Application Temperature Instrument
  • Color Yellow
  • Feature Durable, High Ductility
  • Pack Type Box

2 pin connectors for Thermocouples are very commonly used in industrial use. These becomes helpful in easy installation, Testing or, fault finding.

Welded-Reduced-Tip-Sanitary-Connect-Thermowell Catalogue


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Welded-Sanitary-Connect-Thermowell Catalogue


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3-Way Manifold Valve

5,500 - 6,500 /Piece Get Latest Price
  • Material Monel 400 And Hestelloy C Material
  • Certification ISI Certified
  • Weight 5-10kg
  • Color Mettalic
  • Feature Corrosion Proof, Durable
  • Type of Three Valve Manifold R type, T type and H type
  • Note Mounting Bracket also can be provided for the manifolds

We manufacture various types of Manifolds. Manifolds are necessary during the maintenance of the instruments like Pressure Gauges - Switches & Transmitters, DP Gauges - Switches and Transmitters.

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Preset Batching System

27,000 - 35,000 /piece Get Latest Price
  • Certification ISI Certified
  • Application Batching
  • Weight 50-100 Kg
  • Voltage 220V
  • Driven Type Electric
  • Warranty 2years
  • Automation Grade Automatic

We have Preset Batching Systems using Positive Displacement Flow meter or, Insertion Paddle Wheel type Flow Meter.
Batcher with PD meter has high accuracy almost 0.5% of the batch quantity, but those would not be portable. These type of Batchers are recommended fro high value fuels, Solvents and oils.
The Batcher with Insertion Paddel Wheel Sensor type Meter has accuracy of 1% of the batch quantity, and those can be Portable as well as stationary - depending up on the capacity.
Both systems can also be provided in Flameproof housings and SS 316 contcat parts.
Batching Systems are designed for dispensing exact preset quantities of liquids to reactors, storage tanks, batch reactor vessels as well as at Civil Construction sites for Concrete Mixers (Ready Mix Cement Plants).

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Digital Conductivity Controller

7,500 - 9,500 /Piece Get Latest Price
  • Application Laboratory
  • Weight 2-5kg
  • Feature Compact Design
  • Packaging Type Box
  • Warranty 1 year
  • Surface Color Coated

Conductivity of water (any liquids) has to be monitored and Controlled within 2 limits. Wehave Digital Conductivity Controllers which will give relay output on the basis of the set value. The input to thsi unit will be a Online Conductivity Electrode.
It can be provided integral with Online Conductivity Electrode or Panel mounted type.

Catalogue


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Bypass Flow Switch

2,500 - 4,500 /Piece Get Latest Price
  • Certification CE Certified
  • Voltage 200VDC
  • Frequency 50HZ, 60Hz
  • Power 10-15Amp
  • Temperature 0Dig C To + 60Dig C
  • Hole Diameter 0-20mm
  • Setting Range 0-1500pF

Bypass Flow Switches are used for application when media may contain some % of suspended particles and should operate at Low Flow settings.

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Contact Us

  • Mr. Nitin S. Kelkar (NK Instruments Pvt. Ltd.)
  • 5th Floor, Raunak Arcade, Opposite Saraswat Bank, Gokhale Road,, Naupada, Thane, Maharashtra - 400601, India
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  • Call 08069247340 Ext. 576