Shri Instruments
Bhosari, Pune, Maharashtra
GST No. 27ABFPL0194A1Z2
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Air Quality Instruments are used inHVACsystems. Air Filters & Flow Switches & Velocity Transmitters, Carbon Dioxide Transmitters, Carbon Monoxide Transmitters, Flow Sensors, Pitot Tubes, Switches/Transmitters for Temperature/Humidity are available.

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Product Details:
Minimum Order Quantity1 Piece
Measuring RangeAs per customer requirement
Model Name/Number300MR
Usage/ApplicationDuct
MaterialMild Steel
ConnectionBottom Connection
Display TypeAnalogue
TypePressure Gauge
BrandDwyer
AccuracyPlus Minus 2% FS (Plus Minus 3 or 4% FS for for certain ranges)
ColorBlack
Scale RangeAs per your requirement
Diameter63mm or 100 mm
Power24 VDC
Dial Size63 mm or 100 mm
Series3000 MR
ServicesAir and non-combustible ,Compatible gases
Switch TypeSPDT/SSR
Pressure Limits20" Hg to 25 psig (-0.677 bar to 1.72 bar)
Process Connection1/8inch female NPT
Wetted MaterialsConsult factory
R 3000MRS Photohelic® Switch/Gages Combines Differential Pressure Gage with Low/High Set-points
Additional Information:
  • Delivery Time: Ex-stock/6 weeks
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Product Details:
Minimum Order Quantity10 Piece
Measuring Range(mm)0 to 0.25"wc upto 100"wc
Model No.2000-Series
AccuracyPlus Minus 2% FS (Plus Minus 3 or 4% FS for for certain ranges)
BrandDwyer
Series2000 / 3000 Series
Ranges6......1000 mmWc
ServicesAir and non-combustible ,Compatible gases
Watted MaterialsConsult factory
Switch TypeSPDT/SSR
Pressure Limits20" Hg to 25 psig (-0.677 bar to 1.72 bar)
Temperature Limit20 to 120 Degree Fahrenheit (-6.67 to 48.9 Degree Celsius)
Process Connection1/8inch female NPT
Dwyer make Magnehelic Differential Pressure Gauges
Dwyer make Photohelic Differential Pressure Gauges
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Product Details:
Minimum Order Quantity5 Piece
BrandDwyer
Measuring RangeAs per your reuirement
Model Name/Number2000
Usage/ApplicationHVAC
MaterialSteel
ConnectionBottom Connection
Display TypeAnalogue
ColorBlack
Scale RangeMMWC,PA,InchWC,PSI,KPA
Diameter100 mm
Temperature Limits6.67 to 60 Deg C
Accuracy (Percent)+/- 2% Of F.S.
Model Number2000 Series
Diameter Dial Face Size4" (101.6 mm)
Magnehelic Differential Pressure Gauge:
  • Service: Air And Non- Combustible, compatible gases ( Natural gas option available)
  • Housing: Die Cast Aluminium Case Bezel, With Acrylic Cover
  • Exterior Finish is Coated Gray to Withstand 168 Hour Salt Spray Corrosion test
  • Pressure Limits: 20 in Hg To 15 Psig (-0.677 to 1.034 Bar) MP
  • Option : 35 psig ( 2.41 bar), HP option : 80 psig ( 5.52 Bar)
  • Overpressure: Relief Plug Opens At Approximately 25 Psig (1.72 bar), standard gauges only,
  • Mounting Orientation: Diaphragm in Vertical Position. Consult Factory for other position orientations,
  • Process connection: 1/8" NPT (F) Duplicate High Low
  • Pressure Tapes-One Pair Side And One pair back
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Approx. Rs 15,000  / Piece Get Latest Price

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Product Details:
Minimum Order Quantity1 Piece
Usage/ApplicationFor Measuring Pressure
Model Name/NumberDM-2000
BrandDwyer
Voltage24VDC
Operating RangeAs per customer requirement
SeriesDM-2000
Output Signal4 to 20 mA
Electrical ConnectionScrew-type terminal block
AccuracyMore or Less 1% FS
We are offering DM-2000 Series Low Differential Pressure Transmitter to our clients.

Technical Specifications:
  • Ranges: 0.1 to 5 in w.c.(Bi-directional available)
  • Wetted Materials: Consult factory
  • Comp. Temp. Limits: N/A
  • Oper. Temp. Limits: 20 to 120???F(-7to 49???C)
  • Process Connection: 1/8” ID rubber tubing
  • Enclosure rating: N/A

Additional Information:
  • Delivery Time: Ex-stock/5 weeks
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Approx. Rs 5,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity1 Piece
BrandDwyer
Input Pressure (Pascal)616 & 616C
Operational Temperature0 to 60 Deg C
Output4 to 20 mA
Suppl Voltage13 to 35 VDC
Accuracy1 %, (0.25% Optional)
Range0...1 "WC.....Up to 200"WC
We are offering Dwyer Make Differential Pressure Transmitter 616 Series to our clients.
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Approx. Rs 11,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity10 Piece
BrandDwyer
Pressure Range0.1 mmwc to 28 mmwc
Model No.Series 616W, Series DM
Enclosure RatingNEMA 4X(IP66)
Watted MaterialsConsult factory
Accuracy+/-1% or +/-2%
Output4-20 mA
We are the supplier of Indicating Low Differential Pressure Switch.
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Approx. Rs 8,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity10 Piece
SERIESRHP E/N
ServiceRoom
AccuracyPlus Minus 2,3 or 5% FS
Temperature Output RangeNone,passive sensor,4 to 20mA,0 to 5 VDC,0 to 10 VDC.
DisplayOptional LCD
Temperature LimitOperating-40 to 140 DegreeF (-40 to 60 DegreeC); Storage -40 to 176 Degree F(-40 to 80 Degree C)
Electrical ConnectionScrew terminal block
RH SensorCapacitance polymer
We are offering Humidity Temperature Transmitter to our clients.
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Approx. Rs 8,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity10 Piece
Output Value4-20 mA
BrandDwyer
Model No.Series RHP E/N, Series RHP
DisplayOptional LCD
ServiceRoom
MountingWall/Duct
We are the supplier of Dwyer Humidity Temperature Transmitter.
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  • EDPS Series Low Differential Pressure Switch
  • EDPS Series Low Differential Pressure Switch
  • EDPS Series Low Differential Pressure Switch
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Approx. Rs 1,600  / Piece Get Latest Price

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Product Details:
Minimum Order Quantity1 Piece
BrandDwyer
Media TypeGas
Contact System TypeSPDT
Electrical ConnectionScrew Terminals
Contact MaterialPlastic
Repeatability1%
Pressure Limits40 in w.c.(10 kPa)
Temperature Limits-4 to 185 deg F(-20 to 85 deg C)
SeriesEDPS
Switch TypeSPDT
We are offering EDPS Series Low Differential Pressure Switch to our clients.

Technical Specifications:
  • Set Point Range: 0.08 to 20 in w.c.(20 to 5000 Pa)
  • Service: Compatible gases
  • Wetted Materials: Silicone, PA 6.6, and materials UL 94 V-0 rated
  • Temperature Limits: -4 to 185◦F(-20 to 85◦C)
  • Pressure Limits: 40 in w.c.(10 kPa)
  • Power Requirement: None
  • Adjustable Deadband: No
  • Set Point Indication: Yes
  • Enclosure Rating: UL 94 V-0 rated
  • Multiple Stages: No
  • Process Connection: Hose connection for 5/16” OD and 1/4 “ID tubing

Additional Information:
  • Delivery Time: Ex-stock/5 weeks
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Product Details:
Minimum Order Quantity10 Piece
Measuring Range(mm)- 0.05 to 0.2 in w.c. (-10 to 50 Pa) up to 0 to 30 psi (0 to 30 kPa )
Model No.2000
AccuracyPlus Minus 2 to 4% FS , Plus Minus 1 to 2% FS with HA option
BrandDwyer
Series2000
LensClear acrylic
ServicesAir and non-combustible, compatible gases
Watted MaterialConsult factory
HousingDie cast aluminium case and bezel
Temperature Limit20 to 140 Degree Fahrenheit (-6.67 to 60 Degree Celsius)
Process Connection1/8 inch female NPT duplicate high and low pressure taps
Pressure limits-20" Hg to 15 psig, MP option - 35 psig, HP option - 80 psig
Dwyer make Magnehelic Differential Pressure Gauges
  • Model : 2000-Series
  • Range : 0....6...upto 1000 mmWC
  • Units : PA / mmWc / KPA Available
  • Dial Size : 100 MM
  • Conn. : 1/8" NPT(F)
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Approx. Rs 40,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity5 Piece
BrandDwyer
AccuracyPlus Minus 2% FS (Plus Minus 3 or 4% FS for for certain ranges)
Range0 to 0.25 in w.c.(0 to 60 Pa) up to 0 to 150 in w.c. (0 to 30 kPa)
ServicesAir and non-combustible,compatible gases
Watted MaterialsConsult factory
Switch Type(2) DPDT
Pressure limits20" Hg to 15 psig,MP option - 35 psig,HP option - 80 psig
Temperature Limit20 to 120 Degree Fahrenheit (-6.67 to 48.9 Degree Celsius)
Process Connection1/8 inch female NPT
Temp limit-6 to 50 deg.c
We are the supplier of Differential Pressure Gauge - A3000 Series.
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Approx. Rs 12,500  / Piece Get Latest Price

Product Details:
Minimum Order Quantity100 Piece
Measuring Range(mm)0.25"wc to 100"wc
BrandDwyer
Accuracy+/- 0.5% FS (+/- 1.5 for certain ranges)
Ranges0.25 to 100 in w.c. (60 Pa to 24.88 kPa ), Bi-directional ranges available
ServicesAir and non-combustible,Compatible gases
Watted MaterialsConsult factory
HousingDie cast aluminium case and bezel
Switch Type(2) SPDT
Pressure Limit2 psi (Less then or equal to 2.5 in w.c.);5 psi (5 to 50 in w.c.), 9 psi(100 in w.c.)
Temperature Limit32 to 140 Degree Fahrenheit (0 to 60 Degree Celsius)
Process Connection1/8 inch female NPT
Temp limit0 to 60 deg.c
We are the supplier of Differential Pressure Gauge/Switch - DH3 Series
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Product Details:
Range1000 to 4000 FPM (5 to 20 MPS)
DisplayOptional LCD
Process Temperature32 to 122 Degree Fahrenheit (0 to 50 Degree Celsius)
Humidity Limit5-95 % RH,Non condensing
Power Requirement24 VDC Plus Minus 20% or 24 VAC Plus Minus 20%
Electrical ConnectionPower and Output - 4 wire removable European style terminal block for 16 to 26 AWG
ServiceClean air and compatible,non-combustible gases
AccuracyPlus Minus 3 or 5 percent FS
MountingDuct Mount
Probe Length7-41 / 64 inch
Output4 to 20 mA,0 to 5 VDC,0 to 10 VDC selectable
We are supplying AVUL Series Air Velocity Transmitter to our clients.
Additional Information:
  • Item Code: SERIES-AVUL
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Approx. Rs 8,500  / Unit Get Latest Price

Product Brochure
Product Details:
Minimum Order Quantity1 Unit
Usage/ApplicationIndustrial Process Monitoring
Model Name/NumberMS2
BrandDwyer
SeriesMS2
Enclosure ratingNEMA 4X(IP66)
Watted MaterialsConsult factory
Operational Temperature Limit0 to 150 deg F(-18 to 66 deg C)
We are offering Low Differential Pressure Transmitter MS2 Series to our clients.

Technical Specifications:
  • Ranges : 0.1wc to 28in w.c.( 25 Pa to 6975 Pa)(Bi-directional available)
  • Accuracy : ± 1% or ±2% FS
  • Comp. Temp. Limits : N/A
  • Output Signal : 4 to 20 mA(2 wire),0 to 5 VDC, 0 to VDC
  • Elec. Connection : 3-wire terminal block for 16 to 22AWG
  • Process Connection : 3/16” I.D. tubing (5mm ID); Max OD 9mm

Additional Information:
  • Delivery Time: Ex-stock/3-4 weks
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Approx. Rs 32,000  / Piece Get Latest Price

Product Details:
BrandDwyer
Series1900
Pressure Limits45 in w.c.(11.2 kPa)
Repeatability3%
Adjustable Dead bandNo
Set Point IndicationNo
Multiple StagesNo
Switch TypeSPDT
Process Connection1/8 inch female NPT
Enclosure RatingGP,WP,or EXP
Set Point Range0.07 to 20 in wc (0.017 to 5 kPa)
ServiceCompatible gases
Watted MaterialsConsult factory
Temperature Limits-30 to 180 Degree F(-34 to 82 Degree C)
We are offering Low Differential Pressure Switch 1900 Series to our clients.
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Approx. Rs 6,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity5 Piece
BrandDwyer
Accuracy0.2 %
Output Current4 to 20 mA
MediaGas or Liquid
SeriesMS Magnesence
We are supplying Dwyer Make Differential Pressure Transmitter to our clients.
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Approx. Rs 5,000  / Piece Get Latest Price

Product Details:
Series616KD
Watted MaterialsConsult factory
Enclosure ratingNEMA 1(IP20)
Operational Temperature Limits0 to 140 Deg F(-17.8 to 60 Deg C)
We are offering Low Differential Pressure Transmitter 616KD Series to our clients.

Technical Specifications:
  • Ranges:0.1 to 20 in w.c.(250 to 5000 Pa) to 5000 Pa (Bi-directional available)
  • Accuracy: 616KD-A:±0.25%FS; 616KD-B:±1%FS; 616KD-C:±2%FS
  • Comp. Temp. Limits: 20 to 122◦F(-6.67 to 50◦C)
  • Output Signal: 4 to 20 mA or field selected 0 to 10/0 to 5/2 to 10/1 to 5V
  • Elec. Connection: Screw-type terminal block
  • Process Connection: Barbed for 1/8” and 3/16” ID rubber or vinyl tubing
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Approx. Rs 8,000  / Piece Get Latest Price

Product Details:
Minimum Order Quantity10 Piece
SeriesRHP
ServiceDuct or outdoor
Relative Humidity Range0 to 100% RH
Response Time15 s
We are offering RHP Series Humidity Temperature Transmitter to our clients.

Technical Specifications:
  • Accuracy, RH: RHP-2XXX ±2% 10-90% RH @ 25◦C;
  • RHP-3XXX ±3% 20-80% RH @ 25◦C;
  • RHP-5XXX ±5% 20-80% RH @ 25◦C.
  • Accuracy, Thermistor Temp Sensor: ±0.2◦C @ 25◦C (±0.36◦F@77◦F)
  • Accuracy, RTD Temp Sensor: DIN Class B; ±0.3◦C@0◦C (±0.54◦F@32◦F)
  • Accuracy, Solid State Band Gap: ±0.9◦F@ 77◦F (±0.3◦C@25◦C)
  • Hysteresis: ±1%
  • Repeatability: ±0.1% Typical
  • Temperature Limit: -40 to 140◦F(-40 to 60◦C)
  • Storage Temperature: -40 to 176◦F(-40 to 80◦C)
  • Compensated Temperature Range: -4 to 140◦F(-20 to 60◦C)
  • 4 to 20mA Loop Powered Models: Power requirements: 10 to 35 VDC; Output signal:4 to 20mA
  • 0-5/10V Output Models: Power requirements: 15 to 35 VDC or 15 to 29VAC; Output signal: 0to 10V@ 5mA max.
  • Solid State Band Gap Temperature Sensor Output Ranges: Switch selectable, -20 to 140◦F (-28.9 to 60◦C);0 to 100◦F(-17.8 to 37.8◦C); 40 to 90◦F (4.4 to 32.3◦C);-4 to 140◦F (-20 to 60◦C)
  • Electrical Connection: Removable screw terminal block
  • Conduit Connection: Duct mount: ½”NPS; OSA: ½” (22.3mm)
  • Drift: <1% RH/year
  • RH sensor: Capacitance polymer
  • Temperature sensor: Types 1, 2, 3: Solid state band gap; Curves A,B,C: Thermistor; Curves D,E: Platinum RTD DIN 385
  • Enclosure: Duct mount: PBT; OSA: Polycarbonate
  • Enclosure Rating: Duct mount: NEMA 4X (IP66) for housing only; OSA: NEMA 4X (IP66)
  • Display: Duct mount only, optional 2-line alpha numeric, 8 characters/line
  • Display Resolution: RH: 0.1%; 0.1◦F 0.1◦C)
  • Weight: Duct mount: .616ib (.3kg); OSA 1lb (.45kg)
  • Agency Approvals: CE
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Product Details:
Measuring Range(mm)0 to 0.5"WC up to 500"WC
Model No.43000
Accuracy+/- 3% FS (+/- 4% FS for for certain ranges)
Pressure Limits-20" Hg to 500 psig (-0.677 bar to 34.5 bar)
Switch TypeDPDT
Temperature Limit20 to 120 Degree Fahrenheit (-6.67 to 48.9 Degree Celsius)
Process Connection1/4 inch female NPT
Watted MaterialsConsult factory
ServicesCompatible gases and liquids
We are the supplier of Differential Pressure Gauge/Switch - 43000 Series.
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Approx. Rs 1,460  / Piece Get Latest Price

Product Details:
Minimum Order Quantity5 Piece
Pressure Range20 Pa to 21 KPa
Model No.Series 1800, Series 1900, Series ADPS, Series EDPS
Media TypeGas
Repeatability2%
Switch TypeSPDT
We are the supplier of Low Differential Pressure Switch.
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Approx. Rs 12,500  / Piece Get Latest Price

Product Details:
Minimum Order Quantity1 Piece
Output Voltage0-10 V
Supply4-20 mA
DisplayWith or without 10-digits LCD
Kimo Make Differential Pressure Transmitter

Measuring Ranges:
  • CP 111: from -100 to +100 Pa with EV
  • CP 112: from -1000 to +1000 Pa
  • CP 113: from -10 000 to +10 000 Pa
  • CP 114: from -500 to +500 mbar
  • CP 115: from -2000 to +2000 mbar

Features:
  • ABS housing - IP 65
  • Housing with simplified mounting system
  • Software or DIP switch configuration
  • Quick and easy mounting with the 1/4 turn system with wall-mount plate
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Approx. Rs 9,000  / Piece Get Latest Price

Product Details:
SensorSingle beam, dual wavelength NDIR
Relay OutputSPST NO rated 2 A @ 30 VDC
Weight4.4 oz (125g)
Enclosure RatingIP20
Agency ApprovalsCE
Non-Linearity16 ppm
Carbon Dioxide Range0 to 2000 or 0 to 5000 ppm
Temperature Range32 to 122 Degree Fahrenheit (0 to 50 Degree Celsius )
AccuracyCO2 Plus Minus 40 ppm Plus Minus 3% of reading; RH - Plus Minus 2% (10 to 90% RH)
Temperature DependencePlus Minus 8 ppm /Degree Celsius at 1100 ppm
Pressure Dependence0.13% of reading per mm of Hg
Response time2 min for 99% step change
Duct Air Velocity Range0 - 4000 FPM (20.32 m / s)
Humidity Limit10-95 % RH, Non condensing
Power Requirement16 to 35 VDC or 19 to 28 VAC
Power ConsumptionAverage-2 W, Peak - 3.75 W
Current Output4 to 20 mA (max 500 Ohm)
Voltage Output0 to 5 VDC or 0 to 10 VDC (min 500 Ohm)
We are the supplier of Carbon Dioxide Sensor, Also known as NDIR CO₂ SENSOR.
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Sunil Lohiya (Proprietor)
Shri Instruments
12- B, 1st Floor, 111, General Block, Behind Radix Dia
Bhosari, Pune - 411026
Maharashtra, India
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