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640 Series Precision Heavy Duty Pressure Transducers

  • Vacuum ranges through 0 psig to 15,000 psig; absolute ranges from 0 psia to 15 psia through 0 psia to 300 psia
  • Standard 4 mA to 20 mA output
  • 316 and 17-4PH Stainless Steel wetted parts
  • CE compliant to suppress RFI, EMI and ESD

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SERIES 640                
PRESSURE
RANGES
30vac -30 inHg to 0 psig 5 0 psig to 5 psig 300 0 psig to 300 psig 6000 0 psig to 6,000 psig 15A 0 psia to 15 psia
30/15 -30 inHg to 15 psig 10 0 psig to 10 psig 500 0 psig to 500 psig 7500 0 psig to 7,500 psig 30A 0 psia to 30 psia
30/30 -30 inHg to 30 psig 15 0 psig to 15 psig 600 0 psig to 600 psig 10000 0 psig to 10,000 psig 60A 0 psia to 60 psia
30/60 -30 inHg to 60 psig 30 0 psig to 30 psig 750 0 psig to 750 psig 15000 0 psig to 15,000 psig 100A 0 psia to 100 psia
30/100 -30 inHg to 100 psig 60 0 psig to 60 psig 1000 0 psig to 1,000 psig     150A 0 psia to 150 psia
30/150 -30 inHg to 150 psig 100 0 psig to 100 psig 2000 0 psig to 2,000 psig     200A 0 psia to 200 psia
30/200 -30 inHg to 200 psig 150 0 psig to 150 psig 3000 0 psig to 3,000 psig     300A 0 psia to 300 psia
30/300 -30 inHg to 300 psig 200 0 psig to 200 psig 5000 0 psig to 5,000 psig        
psig = gauge pressure       psia = absolute pressure       Other ranges available on special request
ACCURACIES 1 ± 0.05 % Full Scale (BFSL)   2 ± 0.025 % Full Scale (BFSL)      
OUTPUT SIGNALS 1 4 mA to 20 mA, 2-wire analog 5 0 Vdc to 10 Vdc, 3-wire analog;    
2 0 Vdc to 5 Vdc, 3-wire analog        
PROCESS CONNECTIONS 2 1/4" NPT male     8 1/2" NPT male; other connections available upon request  
ELECTRICAL CONNECTIONS 1 54" Integral cable     25 M12 x 1 (4-pin)          
OPTION ST8 Threaded Orifice                

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SPECIFICATIONS
Output signals 4 mA to 20 mA, 2-wire; 0 Vdc to 5 Vdc and 0 Vdc to 10 Vdc, 3-wire
Pressure ranges Vacuum through 0 psig to 15,000 psig
Absolute from 0 to 15 psia through 0 psia to 300 psia
Accuracy ±0.05% full scale (BFSL); optional ±0.025% full scale (BFSL); (includes the effects of non-linearity, hysteresis, non-repeatability, zero point and full scale errors)
Stability ≤ ±0.1% full scale; 5 psi ±0.2% full scale per year
Response time < 300 ms (between 10% to 90% full scale)
Service life > 100,000,000 load cycles
Temperature ranges Compensated 32 °F to 160 °F (0 °C to 70 °C)
Effect: ±0.005% °F (32 °F to 50 °F) to zero point and pressure range no effect
(50 °F to 104 °F) for zero and span
±0.005%/ °F (104 °F to 158 °F) to zero point and pressure range
Media - 5 °F to 160 °F (-20 °C to 70 °C)
Ambient 32 °F to 160 °F (0 °C to 70 °C)
Storage -5 °F to 160 °F (-20 °C to 70 °C)
Power requirement* 9 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire, 0 Vdc to 5 Vdc, 3-wire)
14 Vdc to 30 Vdc (0 Vdc to 10 Vdc, 3-wire)
Voltage supply via RS232 interface (RS232)
Load limitations ≤ (VPower-10)/0.020 Amp for 4 mA to 20 mA
≥ 10,000 Ω for 0 Vdc to 10 Vdc, 3-wire
≥5,000 Ω for 0 Vdc to 5 Vdc, 3-wire
Proof pressure 3 times full scale for ranges 0 psi to 5 psi through 0 psi to 200 psi
2 times full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi
1.5 times full scale for 0 psi to 15,000 psi
Burst pressure 4 times full scale for ranges 0 psi to 5 psi through 0 psi to 200 psi
4 times full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi
3 times full scale for 0 psi to 15,000 psi
Measuring element 316 stainless steel for vacuum through 300 psi;
17-4PH stainless steel for ≥500 psi
Connection 316 stainless steel
Housing material 316 stainless steel
Environmental rating IP65
Electromagnetic rating CE compliant to EMC norm EN 61326:2014/A1:1998
RFI, EMI and ESD protection
Electrical protection Reverse polarity, overvoltage and short circuit protection
Shock 100 g’s according to IEC 60068-2-27
Vibration 15 g’s according to IEC 60068-2-6
Weight Approximately 11 oz.

Options & Accessories

NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.

NOSHOK offers a wide variety of standard & elevated pressure, and reduced pressure replaceable and non-replaceable diaphragm seals, designed to isolate and/or protect the pressure measuring instrument from corrosive, viscous, contaminated or very high temperature process media.

View NOSHOK's Diaphragm Seal offering

NOSHOK Digital Indicators provide local indication for pressure, level and temperature transmitters.

View NOSHOK's Digital Indicators offering

NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.

View NOSHOK Distribution Manifolds

  • Resist clogging and are self-cleaning
  • Five different sized pistons included with each snubber to ensure the correct amount of snubbing for virutally every application
  • Available in Brass and 316 Stainless Steel in 1/4" NPT, 1/2" NPT or SAE J1926-3: 7/16-20
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2"​​​​​​

Specifications

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Cost effective solution to protect expensive instrumentation
  • Increases gauge readability by smoothing out pressure surges, pulsations and spikes
  • 5 basic elements available for each snubber to accommodate specific application needs
  • Snubbing action achieved by utilizing a corrosion resistant 316 Stainless Steel sintered porous element
  • Exotic materials or intermediate disc grades available
  • Provides long service life with no moving parts to wear out
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2

Specifications

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Protect the instrument from the damaging effects of high temperature steam
  • Recommended for use in all steam applications
  • Available in 1/4" and 1/2" NPT sizes in welded steel, welded 316 Stainless Steel or seamless 316 Stainless Steel with ratings to 3,800 psi @ 850 ºF

Specifications

Dimensions

Steam Syphons Temperature 1/4" NPT vs. Pressure charts

Steam Syphons Temperature 1/2" NPT vs. Pressure charts

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Temperature ratings: 15,000 psi @ 200 °F and 3,000 psi @ 1,000 °F
  • Used with gauges and gauge valves to adjust the line of sight
  • Rotates 360° to allow the connected instrument to be positioned in the desired direction
  • The pressure connection is achieved with a tapered cone style compression fitting simply by tightening the swivel hex nut
  • All 316 Stainless Steel construction
  • Standard with 1/2" NPT male process – 1/2" NPT female instrument connections
  • Also available with 1/4" NPT connections, same specifications apply
  • Weight approximately 0.8 lb.

Swivel Adaptor Dimensions


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov