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Hazardous Location

Home » Products » Pressure & Level » Pressure Transducers & Transmitters » Hazardous Location » 628 Series Intrinsically Safe Hammer Union Pressure Transmitters

628 Series Intrinsically Safe Hammer Union Pressure Transmitters

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Oil & Gas
Water/
Wastewater
  • Ranges from 0 psig to 5,000 psig through 0 psig to 20,000 psig
  • Current output
  • Inconel X-750 wetted parts
  • Canadian Standards Association approved
  • Every sensor comes with a Certificate of Calibration
  • Certifications pending:
    • Factory Mutual
    • ATEX
    • CE

NOSHOK 628 Series transmitters are Canadian Standards Association approved for use in hazardous location applications as follows:

  • Intrinsically Safe  
    • Class I, DIV 1, Groups A,B,C,D, -40°C,Tamb <+85°C T4,  
    • Class II, DIV 1, Groups E,F,G,
    • Class III,
    • Class I, Zone 0 AEx/Ex ic IIC T4.
  • Non-Incendive
    • Class I, DIV 2, Groups A,B,C,D, -40°C,Tamb <+85°C T4,
    • Class II, DIV 2, Groups F,G,
    • Class III,
    • Class I, Zone 2 AEx/Ex ic IIC T4.

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SERIES        628          
PRESSURE RANGES 5000 0 psig to 5,000 psig 6000 0 psig to 6,000 psig 10000 0 psig to 10,000 psig 15000 0 psig to 15,000 psig 20000 0 psig to 20,000 psig
ACCURACY 1 ± 0.25% full scale (BFSL)            
OUTPUT SIGNAL 1 4 mA to 20 mA, 2-wire              
WIRING CODE
(See Wiring Code Schematics above)
A   E   H*  
C   F   J  
D   G      
PROCESS CONNECTIONS 14 2" Wing union (#1502)      
ELECTRICAL CONNECTIONS 3 6-pin Bendix (MIL-C-26482) 44 4-pin (MIL-C-5015)    
36 Integral cable with gland            
OPTION CH Carrying Handle EC Electrical Connector Cage    

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SPECIFICATIONS
Output signal 4 mA to 20 mA, 2-wire
Pressure ranges 0 psig to 5,000 psig through 0 psig to 20,000 psig
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 > 2 m/s
Service life > 10,000,000 load cycles
Temperature ranges Compensated 40 °F to 140 °F (5 °C to 60 °C)
Zero effect is ±0.01% full scale/ °F
Span effect is ±0.01% full scale/ °F
Media -40 °F to 185 °F (-40 °C to 85 °C)
Ambient -40 °F to 185 °F (-40 °C to 85 °C)
Storage -40 °F to 185 °F (-40 °C to 85 °C)
Power requirement* 10 Vdc to 28 Vdc
Load limitations ≤ (VPower-10)/0.020 Amp
Proof pressure 1.5 times full scale (22,500 psi maximum)
Burst pressure 3 times full scale (22,500 psi maximum)
Measuring element Inconel X-750
Connection Inconel X-750
Housing material 316 stainless steel
Environmental rating IP67 depending 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 100 g's according to IEC 60068-2-27
Vibration 15 g's according to IEC 60068-2-6
Weight Approximately 6 lb.

Options & Accessories

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

Dimensions

Replacement Disc Options

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