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Field Devices

BASIC PARAMETERS MEASURING DEVICES

RESISTANCE TEMPERATURE DETECTORS(RTD’S)

  • Type                           : Platinum/ Copper/ Nickel – Simplex/Duplex.
  • Standard                    : DIN 43760/ IS 2848/ IEC 751
  • Accuracy                    : Class A, B, 1/3 DIN (BAND3),1/10 DIN (BAND5)
  • Resistance                 : Platinum – Pt 46/ 50/ 100/ 200/ 500/ 1000Ω at 0˚C | Copper – Cu 53 Ω / 10 Ω 0˚C | Nickel – Ni100/ 200 Ω 0˚C
  • Insulation                  : Mineral insulated, Ceramic beaded, MgO Filled
  • Sheath                        : SS304/ 316/ TEFLON/ KYNAR etc
  • Outer Diameter        : 3mm through 12mm Dia
  • Termination              : Head assembly, lead wire with lugs, Plug and socket and special construction if any.
  • Extension                  : PTFE/ SS braided Cable
  • Process Connection            : Compression fitting/ Threaded.

THERMOCOUPLE

  • Types                                      : K, J, T, E, N, R, S & B Simplex/ Duplex.
  • Standard                                : ANSI MC 96.1/ DIN43710/ IEC754
  • Insulation                              : Mineral Insulated/ Ceramic beaded
  • Junction                                 : Grounded/ Ungrounded/ Exposed
  • Sizes on Base Metals          : 22/ 20 /16 /14 /12 /10 SWG
  • Sizes on Noble Metals        : 27/ 26/ 25/ 24 SWG
  • Mineral Insulated Sheath   :  SS 304/ 316/ 310/ Incolloy/ Inconel | OD= 1/ 1.5/ 3/ 4.5/ 6/ 8 mm
  • Ceramic beaded Sheath     : SS 304/ 316/ 310/ Incolloy/ Inconel, Ceramic tube (High Alumina, KER710) and other specific material on request
  • : OD= 3mm through 25mm
  • Termination                          : Head assembly, Flying leads with lugs, Plug and Socket and any Special construction on request
  • Extension                              : PTFE/ SS braided
  • Process Connection                        : Compression Fitting, Bayonet fitting, Screwed

THERMOWELLS

  • Types: Drilled Bar Stock/ Fabricated/ Protection Sheathed

The MoC shall be SS 304/ 316/ 321/ 310/ Inconel 600/ Incoloy 800/ Hastelloy/ Monel/ Alloy 20 and other special grade materials upon request.

The protection sheathed thermowell is used for Low Pressure applications and is fabricated using seamless tube with hot end plugged, welded or process connection welded. MoC shall be SS 304/ 316/ 321/ 310/ 446/ Inconel600/ Incoloy 800/ Ceramic KER 710 and other special grade materials upon request.

Process connections shall be Threaded (BSP/ NPT) / Flanged (FF/ RF/ RT). Flanges shall be of CS/ SS/ Alloy Steel MoC meeting ANSI/ ASTM/ DIN/ BS Standards.

DIGITAL TEMPERATURE INDICATORS & CONTROLLERS

  • Type: Digital
  • Input : Thermocouple Type K,J,R & RTD
  • Display: LED/ LCD
  • Size: 48×48 / 96×96 mm
  • Set Points: One set Point/Two set point with Alarm
  • Power Supply: 230VAC
  • Output: 4-20mA/ Relays

TEMPERATURE TRANSMITTERS

Head mounted Temperature Transmitter suitable for any Standard Pt-100 RTD, Thermocouple, 2/4 wire 24VDC loop powered with 4-20mA output available.

PRESSURE TRANSMITTER

We offer pressure transmitter suitable for most process applications like steam, water and air comes with a ¼” NPT end connection. Range upto 700 bar. Accuracy ±0.25% of FS.

FLOW INDICATING TOTALIZER

  • Dual functionality flow rate indication & 8 digit flow totalizing User configurable flow rate range.
  • Field settable flow totalizing rate.
  • Relay outputs – Optional for Batch or Set point operation.
  • Serial communication port with MODBUS protocol – Optional.

4 to 16 CHANNEL SCANNER

  • Horizontal or Vertical version as per your panel design.
  • Universal input mA / RTD / Volt / Thermocouples for each channel (factory set).
  • Control Output for each channel with indication.
  • User configurable span for mA / Volt inputs.
  • Communication via RS485 / Ethernet port.

DATALOGGER

  • Accepts Analog input mA / RTD / Volt / Thermocouple in steps of 4 channels.
  • Control Output for each channel, with indication.
  • User configurable span for mA / Volt inputs.
  • Data logging and Printing.
  • Serial communication via RS232.

INDUSTRIAL THERMOMETERS

Make: NESSTECH Instruments India, Vapi (a subsidiary of NessTech Inc., Japan)

Offered in the range of -20 to 500˚C with rigid stem having bottom or back entry. Can be offered in every angle rotatable construction

  • Standard Version   : 63mm, 100mm, 125mm & 150mm
  • Accuracy                   : Upto Class 1 as per EN13190
  • Over Range limit      : 110% of FS
  • Stem Diameter          : 8mm
  • Process Connection           : ½” NPT(M)
  • Case, Bezel and Clamp      : SS304
  • Stem & Connection      : SS316
  • Sensing Element       : Bimetal coil strip
  • Protection Class       : IP65
  • Dial                             : Aluminium, Black graduation on white background
  • Pointer                       : Aluminium, Black coloured slotted type for 100mm, 125mm, 150mm and fixed for 63mm
  • Window                     : Safety Glass & Gasket: Neoprene

Silicon filled Version:

  • Damping Liquid                   : Silicon Oil
  • Gasket and Filling Plug      : Viton
  • Window                                 : Plexi Glass
  • Ambient Temperature         : 65˚C

INDUSTRIAL PRESSURE GAUGES

Make: NESSTECH Instruments India, Vapi (a subsidiary of NessTech Inc., Japan)

C shaped Bourdon tube with SS case and measuring system

  • Ranges       : -1 to 0/ 0.6/ 1.5/ 4/ 6/ 10/ 16 bar
  •                     :0 to 0.6/ 1/ 1.6/ 2.5/ 4/ 6/ 10/ 16/ 25/ 40/ 60/ 100/ 160/ 250/ 400/ 600/ 1000  bar
  • Protection Class       : IP66
  • Accuracy                   : 1.6% of FS upto 0.6%
  • Standard followed   : EN837-1, IS3624 & ANSI/ ASME B40.1 for NS125mm
  • Standard Version   : 100mm, 125mm & 150mm
  • Operating Pressure : 75% of scale value
  • Over Pressure Limit : 125% of max scale value for pressure ranges upto 100 bar
  •                 : 115% of max scale value for pressure ranges from 100 bar to 600 bar
  •                 : 110% of max scale value for pressure ranges from 600 bar to 1000 bar
  • Case: SS304,           Ring: SS304 Bayonet type,            Bourdon: SS316L,
  • Socket: SS316L directly welded to the case,      Movement: SS304
  • Dial                 : Aluminium, Black graduation on white background
  • Pointer           : Aluminium, Black coloured micrometer zero adjustable
  • Window         : Safety Glass

Glycerine filled Version:

  • Damping Liquid                   : Glycerine 98%
  • Window                                 : Safety Glass
  • Ambient Temperature         : -20 to 65˚C

SCHAFFER (DIAPHRAGM) PRESSURE GAUGE

Make: NESSTECH Instruments India, Vapi (a subsidiary of NessTech Inc., Japan)

The schaffer gauges works by the displacement of the sensing element diaphragm SS case and measuring system

  • Standard followed: EN837-3
  • Standard Version: 100mm & 150mm
  • Diaphragm Type: HP: -1 to 0 bar & 0 to 21 bar
  • LP:     6000 to 0 mmwc & 0-6000 mmwc
  • Accuracy: ±1.6% of FS
  • Process Temperature: 100˚C max
  • Operating Pressure: 75% of the scale value
  • Over Pressure Limit: 110% of the scale value
  • Case & Bezel: SS304 (Bayonet type)
  • Top Chamber and Movement: SS304
  • Bottom Chamber: SS316
  • Diaphragm: SS316L
  • Protection Class: IP65
  • Dial                 : Aluminium, Black graduation on white background
  • Pointer           : Aluminium, Black coloured micrometer zero adjustable
  • Window         : Safety Glass
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