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200 Series Low Pressure Diaphragm Dry Pressure Gauges

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  • Sensitive capsule-type, non-fillable dry gauge
  • Vacuum ranges through 0 psi to 10 psi
  • 2-1/2" and 4" gauge sizes
  • Black painted Steel, Stainless Steel and impact-resistant ABS case
  • Copper alloy and Brass wetted parts
  • Ideal for applications including filter monitoring, gas distribution, HVAC, leak detection, level indication and medical

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GAUGE SIZES 25 2-1/2" 40 4"    
CASE TYPES 200 Steel, bottom connection (304SS for 4")   224 ABS, panel mount
210  Steel, back connection   234 Gas pressure test kit **
PRESSURE
RANGES		 15 inH2O Vac -15 inH2O to 0 inH2O 200 inH2O 0 inH2O to 200 inH2O 3psi 0 psi to 3 psi
30 inH2O Vac -30 inH2O to 0 inH2O 10 oz/in2 0 oz/in2 to 10 oz/in2 5 psi 0 psi to 5 psi
60 inH2O Vac -60 inH2O to 0 inH2O 15 oz/in2 0 oz/in2 to 15 oz/in2 10 psi 0 psi to 10 psi
100 inH2O Vac -100 inH2O to 0 inH2O 30 oz/in2 0 oz/in2 to 30 oz/in2 40 mbar 0 mbar to 40 mbar
10 inH2O 0 inH2O to 10 inH2O 35 oz/in2 0 oz/in2 to 35 oz/in2 60 mbar 0 mbar to 60 mbar
15 inH2O 0 inH2O to 15 inH2O 60 oz/in2 0 oz/in2 to 60 oz/in2 160 mbar 0 mbar to 160 mbar
30 inH2O 0 inH2O to 30 inH2O 100 oz/in2 0 oz/in2 to 100 oz/in2 250 mbar 0 mbar to 250 mbar
60 inH2O 0 inH2O to 60 inH2O 160 oz/in2 0 oz/in2 to 160 oz/in2 400 mbar 0 mbar to 400 mbar
100 inH2O 0 inH2O to 100 inH2O 20 oz/35 inH2O 0 oz/in2/inH2O to 20 oz/in2 inH2O 600 mbar 0 mbar to 600 mbar
160 inH2O 0 inH2O to 160 inH2O 32 oz/55 inH2O 0 oz/in2/inH2O to 32 oz/in2 inH2O    
CONNECTION SIZE 1/4 1/4" NPT    
OPTIONS BLRF Black Rear Flange PL Acrylic Lens SSCR Stainless Steel Cover Ring
SSRF 304SS Rear Flange RL Recalibrator Lens CCR Chrome Cover Ring
BLFF Black Front Flange *** SP Red Set Pointer LM Laser Marking
SSFF 304SS Front Flange MIP Maximum Indicatinrg Pointer ST Stainless Steel Tagging
CFF Chrome Front Flange *** OP Over Pressure Protection BP3 Brass Press Fit Orifice 0.3 mm
SSC Stainless Steel Case SSBU Stainless Steel Bezel & U-Clamp BT3 Brass Threaded Orifice 0.3 mm
GL Glass Lens * BBU Black Beze & U-Clamp    
SG Safety Glass Lens * BCR Black Cover Ring    

Note: O2 cleaning is not available for 200 Series gauges.

* A Steel, Stainless or chrome cover ring must be additionally ordered when lenses other than acrylic are utilized on all 200 Series
** Only available in 2-1/2" size, 20 oz/35 inH2O
*** Not available on 25-200 model

   Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.

NOTES: See Standard Connection Sizes
Shaded portions of this part number example are not required unless a non-standard connection size or an option is needed.

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  SERIES SPECIFICATIONS
Pressure ranges 200 Series (all) Extreme low pressure vacuum ranges through 0 psi to 10 psi
Accuracy 25-200, 25-210, 25-224 ±1.6% full scale
25-206, 25-216 ±2.5% full scale
40-200 ±1.6% full scale; optional ±1% full scale
Temperature ranges* 200 Series (all) Media -4 °F to 176 °F (-20 °C to 80 °C)
Ambient -4 °F to 140 °F (-20 °C to 60 °C)
Measuring element 25-200, 25-210, 25-224, 40-200 Copper alloy diaphragm capsule
Connection 200 Series (all) 1/4″ NPT, brass
Case 25-200, 25-210 Black painted steel
25-206, 25-216, 25-224 Black ABS (Acryl Nitril Butadien Styrol) with 25-224 includes zinc-plated steel panel mount clamp
40-200 304 Stainless steel
Bezel 40-200 304 Stainless steel
Lens 25-200, 25-206, 25-210, 25-216, 25-224 Acrylic
40-200 Instrument glass
Pointer 200 Series (all) Black finished aluminum
Dial 200 Series (all) Aluminum, white background with black scale. UV resistant.
Movement 25-200, 25-210, 25-224, 40-200 Brass and nickel-silver with highly polished bearing surfaces
25-206, 25-216 Cu-Alloy

Working Pressure Limitations

Dynamic Pressure 
The working pressure should be limited to 60% of the dial range.

Static Pressure 
The working pressure, when no sharp fluctuations occur, should be limited to 90% of the dial range.

Accuracy / Dial Configuration Applications Dimensions Download Data Sheet Frequently Asked Questions Reference Information Standard Gauge Connection Sizes User Manual Warranty Information

Options & Accessories

Installed Options & Accessories

AVAILABLE

  • Stainless Steel Case (SSC)
  • Glass Lens (GL)*
  • Safety Glass Lens (SG)*
  • Plexiglass Lens (PL)
  • Recalibrator Lens (RL)
  • Red Set Pointer (SP)
  • Maximum Indicating Pointer (MIP)
  • Black Rear Flange (BLRF)
  • Black Cover Ring (BCR)
  • Stainless Steel Cover Ring (SSCR)
  • Rubber Case Protectors (RCP)
  • 10-32-UNF-2B (10-32)
  • Orifice - Brass Threaded 0.3mm (BT3) - Standard
  • Laser Marking (LM)
  • Stainless Steel Tagging (ST)

CERTIFICATES

  • Certified Calibration (CC)

* A steel or stainless cover ring must be additionally ordered when lenses other than plexiglass are utilized on all 200 Series models

Prop 65

WARNING:This product can expose you to chemicals including Lead and 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

Uninstalled Options & Accessories

  • Rubber Case Protectors (25-123459-0-RCP)
  • Certificate of Conformance (COC)

Installed Options & Accessories

AVAILABLE

  • Stainless Steel Case (SSC)
  • Glass Lens (GL)*
  • Safety Glass Lens (SG)*
  • Plexiglass Lens (PL)
  • Recalibrator Lens (RL)
  • Red Set Pointer (SP)
  • Maximum Indicating Pointer (MIP)
  • Black Front Flange (BLFF)
  • Chrome Front Flange (CFF)
  • Black Cover Ring (BCR)
  • Stainless Steel Cover Ring (SSCR)
  • Black Bezel w/U-Clamp (BBU)
  • SS Bezel w/U-Clamp (SSBU)
  • Rubber Case Protectors (RCP)
  • 10-32-UNF-2B (10-32)
  • Orifice - Brass Press Fit 0.3mm (BP3)
  • Orifice - Brass Threaded 0.3mm (BT3) - Standard
  • Laser Marking (LM)
  • Stainless Steel Tagging (ST)

CERTIFICATES

  • Certified Calibration (CC)

* A steel or stainless cover ring must be additionally ordered when lenses other than plexiglass are utilized on all 200 Series models

Prop 65

WARNING:This product can expose you to chemicals including Lead and 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

Uninstalled Options & Accessories

  • Rubber Case Protectors (25-123459-1-RCP)
  • Certificate of Conformance (COC)

Installed Options & Accessories

AVAILABLE

  • Red Set Pointer (SP)
  • Maximum Indicating Pointer (MIP)
  • 10-32-UNF-2B (10-32)
  • Orifice - Brass Press Fit 0.3mm (BP3)
  • Orifice - Brass Threaded 0.3mm (BT3) - Standard
  • Laser Marking (LM)
  • Stainless Steel Tagging (ST)

CERTIFICATES

  • Certified Calibration (CC)

Prop 65

WARNING:This product can expose you to chemicals including Lead and 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

Uninstalled Options & Accessories

  • Certificate of Conformance (COC)

Installed Options & Accessories

AVAILABLE

  • Stainless Steel Case (SSC) - Standard
  • Glass Lens (GL)* - Standard
  • Safety Glass Lens (SG)*
  • Plexiglass Lens (PL)
  • Red Set Pointer (SP)
  • Black Front Flange (BLFF)
  • 304SS Front Flange (SSFF)
  • 304SS Rear Flange (SSRF)
  • Stainless Steel Cover Ring (SSCR) – Standard
  • Rubber Case Protectors (RCP)
  • 10-32-UNF-2B (10-32)
  • Orifice - Brass Press Fit 0.3mm (BP3)
  • Orifice - Brass Threaded 0.3mm (BT3) - Standard
  • Laser Marking (LM)
  • Stainless Steel Tagging (ST)

CONSULT FACTORY

  • Maximum Indicating Pointer (MIP)

CERTIFICATES

  • Certified Calibration (CC)

* A steel or stainless cover ring must be additionally ordered when lenses other than plexiglass are utilized on all 200 Series models.

Prop 65

WARNING:This product can expose you to chemicals including Lead and 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

Uninstalled Options & Accessories

  • Rubber Case Protector (40-123459-BLACK-RCP)
  • Certificate of Conformance (COC)

Assembly Options

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

Diaphragm Seals

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

Distribution Manifolds

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

View NOSHOK Distribution Manifolds

Metric Dials And Customized Special Dials

  • Dual scale metric dials in psi/bar, psi/kPa and psi/kg/cm2 
  • Other scales are available for specific sizes and ranges, such as single scale bar and kPa, refrigerant scales and altitude scales
  • Customized special dials such as non-standard metric scale, tons of ram, lbs. of force, etc. are available in small quantities (as few as one piece) on some NOSHOK gauges

Please consult the factory for availability.

Pressure Snubbers – Piston Type

  • 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

Pressure Snubbers – Sintered Type

  • 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

Steam Syphons

  • 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

Swivel Adaptors

  • 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

Warranty Information - Accessories

WARNING:This product can expose you to chemicals including Lead and 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

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