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623/624 Series Non-Incendive Pressure Transmitters

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  • Vacuum and compound ranges through 0 psig to 15,000 psig; absolute ranges from 0 psia to 15 psia through 0 psia to 100 psia
  • Current and voltage outputs available
  • 316 Stainless Steel and Elgiloy wetted parts
  • Factory Mutual and Canadian Standards Association approved
  • CE compliant to suppress RFI, EMI and ESD
  • NACE MR0175/ISO 15156 compliant
  • NSI/ISA-12.27.01 approved single seal

NOSHOK 623 and 624 Series transmitters are Factory Mutual and Canadian Standards Association approved for use in hazardous location applications as follows:

  • Non-Incendive for:
    • Class I, Division 2, Groups A, B, C and D.I.P.
    • Class II, Division 1, Groups E, F and G Maximum ratings 30 Vdc, 20 mA.
  • CE compliant with pressure equipment directive 2014/68/EU. 
  • ANSI/ISA-12.27.01, Approved single seal.

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SERIES        623 Stainless steel threaded connection 624 316 Stainless Steel Flush Diaphragm *
PRESSURE RANGES 30vac -30 inHg to 0 psig 30 0 psig to 30 psig 500 0 psig to 500 psig 6000 0 psig to 6,000 psig
30/30 -30 inHg to 30 psig 60 0 psig to 60 psig 1000 0 psig to 1,000 psig 8000 0 psig to 8,000 psig
30/60 -30 inHg to 60 psig 100 0 psig to 100 psig 1500 0 psig to 1,500 psig 10000 0 psig to 10,000 psig
30/100 -30 inHg to 100 psig 200 0 psig to 200 psig 2000 0 psig to 2,000 psig 15000 0 psig to 15,000 psig
15 0 psig to 15 psig 300 0 psig to 300 psig 3000 0 psig to 3,000 psig 15A 0 psia to 15 psia
        5000 0 psig to 5,000 psig 100A 0 psia to 100 psia
psig = gauge pressure psia = absolute pressure  Other ranges available upon request  
NOTE: Series 624 is available for pressure ranges up to 0 psig to 8,000 psig    
ACCURACY 1 ± 0.25% full scale (BFSL)          
OUTPUT SIGNALS 1 4 mA to 20 mA, 2-wire 3 1 Vdc to 5 Vdc, 3-wire, low power 31 0.5 Vdc to 4.5 Vdc, 3-wire, low power
PROCESS CONNECTIONS 2 1/4" NPT male 11 G1/2B **
  8 1/2" NPT male 13 G1B (624 Series only, <30 psig)
ELECTRICAL CONNECTIONS 6 1/2" NPT male conduit with 6' integral cable    
OPTION ST8 Threaded Orifice (623 Series only)        

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SPECIFICATIONS
Output signals 4 mA to 20 mA, 2-wire; 1 Vdc to 5 Vdc low power, 3-wire; 0.5 Vdc to 4.5 Vdc low power, 3-wire
Pressure ranges Vacuum through 0 psig to 15,000 psig
Absolute through 0 psia to 100 psia
Accuracy ±0.25% full scale (BFSL) (Includes the effects of non-linearity, hysteresis,
non-repeatability, zero point and full scale errors)
Stability ≤ ±0.2% full scale for 1 year, non-accumulating
Response time ≤1 ms (between 10% and 90% full scale)
Service life >100,000,000 load cycles
Temperature ranges Compensated 32 °F to 176 °F (0 °C to 80 °C)
Zero effect is ±0.011% full scale/ °F within compensated range
Span effect is ±0.011% full scale/ °F within compensated range
Media -40 °F to 212 °F (-40 to 100 °C)
Ambient -22 °F to 176 °F (-30 °C to 80 °C)
Storage -22 °F to 212 °F (-30 °C to 100 °C)
Power requirement* 10 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire)
6 Vdc to 30 Vdc (1 Vdc to 5 Vdc, 3-wire, 0.5 Vdc to 4.5 Vdc, 3-wire)
14 Vdc to 30 Vdc (0 Vdc to 10 Vdc, 3-wire)
Load limitations ≤ (VPower -10)/0.020 Amp for 4 mA to 20 mA; ≥ 10,000 Ω for 1 Vdc to 5 Vdc, 3-wire
Proof pressure 3 times full scale for ranges 0 psi to 15 psi through 0 psi to 200 psi
1.75 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 range
Burst pressure 3.8 times full scale for ranges 0 psi to 15 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 623 Series is 316 stainless steel for ranges up through 0 psi to 300 psi,
316 stainless steel and Elgiloy for ranges 0 psig to 500 psig and higher;
624 Series is 316 stainless steel with NBR o-ring; FKM o-ring optional
Connection 316 stainless steel
Housing material 316 stainless steel
Environmental rating I65 to IP67 dependent upon electrical connection
Electromagnetic rating CE compliant to EMC norm EN 61326:2014/A1:1998
RFI, EMI and ESD protection
Electrical protection Reverse polarity, over-voltage and short circuit protected
Shock 1000 g’s according to IEC 60068-2-27
Vibration 20 g’s according to IEC 60068-2-6
Weight Approximately 12 oz.

Options & Accessories

  • SS Threaded Orifice - 623 Only (ST8)
  • 20 foot cable/lead attached to 1/2" NPT Male Conduit w/ 6 foot integral cable (20)
  • 30 foot cable/lead attached to 1/2" NPT Male Conduit w/ 6 foot integral cable (30)

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

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

View NOSHOK's Digital Indicators offering

  • 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