The most authentic pressure gauge

The most authentic pressure gauge, Total:184 items.

The international standard classification for "The most authentic pressure gauge" includes: Measurement of force, weight and pressure , Radiation measurements , Materials and components for shipbuilding , Thermodynamics and temperature measurements .

The Chinese standard classification for "The most authentic pressure gauge" includes: Aircraft instruments , Temperature and pressure instrument , Comprehensive Technology , Mechanics Measurement .

Professional Standard - Aviation

HB 7285-1996 Minimum Performance Requirements for Civil Aircraft Pipeline Pressure Instrument
HB 7101-1994 Minimum Performance Requirements for Fuel Oil, Slide Oil and Hydraulic Pressure Instrument of Civil Aircraft
HB 5944.3-1986 Aviation Pressure Meter - Type and Basic Dimension of Small-sized Pressure Meter

Professional Standard - Electron

SJ/T 11101-1996 Tables for life testing Tables for best linear unblased estimate (BLUE) (Normal distribution, log normal distribution)

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 27504-2011 Pressure gauge error table
GB/T 16426-1996 Determination for maximum explosion pressure and maximum rate of pressure rise of dust cloud
GB/T 1227-2010 Accurate pressure gauge
GB/T 1226-2010 General pressure gauge
GB/T 1227-2002 Accurate pressure gauge

工业和信息化部/国家能源局

JB/T 13188-2017 Positive pressure pneumatic conveyor

电子工业部

SJ/T 10345.3-1993 Life test table is the best linear unbiased estimation table (normal distribution)

Professional Standard - Machinery

JB/T 6804-1993 Vibration gauges
JB/T 6804-2006 Shock-resistant pressure gauge
JB/T 5491-2005 Diaphragm pressure gauge
JB/T 9272-1999 Ammonia pressure gauge
JB/T 5527-1991 Pressure gauges for ships
JB/T 9277-1999 Pressure gauge error meter
JB/T 7392-1994 digital pressure gauge
JB/T 10203-2000 Transmissible pressure gauge
JB/T 5527-2005 Pressure gauges for ships

未注明发布机构

DIN 14421 E:2016-05 Pressure gauges (manometer) for fire pumps

Professional Standard-Ships

CBM 1135-1982 Pressure gauge cock
CB/T 312-2008 Pressure Gauge Valves
CB 312-1975 Pressure gauge valve

National Metrological Verification Regulations of the People's Republic of China

JJG 1202-2024 Long Distance Transmissible Pressure Gauges
JJG 926-2015 Verification Regulation of the Record Pressure Gauges Pressure Vacuum Gauges and Vacuum Gauges
JJG 573-2003 Capsule Pressure Gauges
JJG 926-1997 Verification Regulation of the Record Pressure Gauge Pressure Vacuum Gauge and Vacuum Gauge

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 1227-2017 Accurate pressure gauge

Professional Standard - Agriculture

NY/T 858-2004 Biogas pressure meter

SE-SIS

SIS SMS 1649-1955 Pressure gauge, final type, internal screw
SIS SMS 1349-1950 Pressure gauge, reference new max, worn max min, nominal diameter to 18
SIS SMS 1360-1950 Pressure gauge, reference new max, worn max min, nominal diameter 18 to 80
SIS SMS 1352-1950 Pressure gauge, reference new max, worn max min, nominal diameter 18 to 80
SIS SMS 1354-1950 Pressure gauge, normal values, nominal diameter to 18
SIS SS-ISO 1607-2:1991 Positive-displacement vacuum pumps — Measurement of performance characteris- tics — Part 2: Measurement of ultimate pressure
SIS SMS 1556-1952 pressure gauge, drawing
SIS SMS 1555-1952 Pressure Gauges, Ratings and Charts

VDI - Verein Deutscher Ingenieure

VDI 3185 Blatt 1-1970 Calculation of the obtained punch force and the greatest extrusion force for rod and solid extrusion of steel at room temperature
VDI 3185 Blatt 3-1977 Calculation of pressures for cold forward extrusion of short steel tubes
VDI 3102-1961 Instruction for the maintenance of air compressors up to 15 atmospheric excess pressure end thrust (piston and rotary compressors)
VDI 3185 Blatt 2-1970 Calculation of the obtained punch force and the greatest extrusion force for can and backward extrusion of steel at a room temperature

SCC

BS 4161-5:1977 Specification for gas meters-Positive displacement diaphragm meters for pressures up to 7 bar
DIN 51524-3/A1 E:2012 Draft Document - Pressure fluids - Hydraulic oils - Part 3: HVLP hydraulic oils; Minimum requirements, Amendment 1
UNE-EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 1: Determination of the maximum explosion pressure
DANSK DS/EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 1: Determination of the maximum explosion pressure
NS-EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours — Part 1: Determination of the maximum explosion pressure
NS-EN 15967:2022 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
DANSK DS/EN 15967:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
NS-EN 15967:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
UNE-EN 13673-2:2006 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2: Determination of the maximum rate of explosion pressure rise
DANSK DS/EN 13673-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2: Determination of the maximum rate of explosion pressure rise
NS-EN 13673-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours — Part 2: Determination of the maximum rate of explosion pressure rise
MIL MIL-DTL-25867E-2019 GAGE, PRESSURE, DIAL INDICATING, PNEUMATIC
MIL MIL-DTL-6019E-2011 Gages, Pressure, Dial Indicating, Low-Pressure Oxygen
CAN/CSA C802.3-2001(R2012) Maximum Losses for Power Transformers
AENOR UNE 10016:1953 Plunger rings. COMPRESSION RINGS FOR FAST ENGINES AND COMPRESSORS WITH NORMAL SURFACE PRESSURE
CAN/CSA-C802.3-2001(R2012) Maximum Losses for Power Transformers
CAN/CSA-C802.3-2001(C2012) Maximum losses for power transformers
DIN 14421 E:2016 Draft Document - Pressure gauges (manometer) for fire pumps
AENOR UNE 5007-2:1951 NORMAL TEMPERATURE. NORMAL PRESSURE. NORMAL STATE. CLARIFICATIONS
AENOR UNE 5007-1:1951 NORMAL TEMPERATURE. NORMAL PRESSURE. NORMAL STATE. DEFINITIONS
CAN/CSA C802.3-2015(R2020) Minimum Efficiency Values for Power Transformers
CSA C802.3-15:2016 Minimum efficiency values for power transformers
BS 1780:1951 Pressure gauges
NS-EN 837-2:1997 Pressure gauges — Part 2: Selection and installation recommendations for pressure gauges
DANSK DS/EN 837-2:1997 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges
MIL MIL-DTL-25308C-2010 Gage, Pressure, Dial Indicating, Hydraulic, Type ME-1
DANSK DS/EN 837-3:1997 Pressure gauges - Part 3: Diaphragm and capsule pressure gauges - Dimensions, metrology, requirements and testing
MIL MIL-DTL-25867D-2006 GAGE, PRESSURE, DIAL INDICATING, PNEUMATIC(SUPERSEDING MIL-G-25867C)
NS 5503:1985 Pressure gauges — Safety pressure gauges — Terminology, dimensions, scala ranges
AENOR UNE 10018:1953 Plunger rings. GREASE RINGS WITH PORTS FOR FAST MOTORS AND COMPRESSORS WITH NORMAL SURFACE PRESSURE
UNE-EN 88/A1:1996 PRESSURE GOVERNORS FOR GAS APPLIANCES FOR INLET PRESSURES UP TO 200 MBAR.
AENOR UNE-EN 472:1996 Pressure gauges. Vocabulary.
NS-EN 472:1994 Pressure gauges - Vocabulary

Danish Standards Foundation

DS/EN ISO 7751/A1:2011 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure - Amendment 1: Replacement of ""design working pressure"" by ""maximum working pressure"" throughout text
DS/EN 15967:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
DS/EN 837-2:1998 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges

U.S. Air Force

AIR FORCE MIL-STD-859 A-1968 STANDARD CALIBRATION TABLE FOR AERONAUTICAL PRESSURE MEASURING EQUIPMENT
AIR FORCE MIL-STD-859 A REINST NOTICE 3-2006 STANDARD CALIBRATION TABLE FOR AERONAUTICAL PRESSURE MEASURING EQUIPMENT
AIR FORCE MIL-STD-859 A NOTICE 1-1979 STANDARD CALIBRATION TABLE FOR AERONAUTICAL PRESSURE MEASURING EQUIPMENT

British Standards Institution (BSI)

BS EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Determination of the maximum explosion pressure
BS EN 15967:2022 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
BS 2000-0-0.4:1996 Barometric pressure corrections
ASME B40.100-2022 Pressure Gauges and Gauge Attachments
BS EN 15967:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
20/30414989 DC BS EN 15967. Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
BS EN 13673-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Determination of the maximum rate of explosion pressure rise
BS EN 472:1995(2000) Pressure gauges — Vocabulary

Lithuanian Standards Office

LST EN ISO 7751:2001/A1:2011 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure - Amendment 1 - Replacement of "design working pressure" by "maximum working pressure" throughout text (ISO 7751:1991/Amd.1:2011)
LST EN 15967-2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
LST EN 837-2-2001 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges
LST EN 472-2008 Pressure gauges - Vocabulary

European Committee for Standardization (CEN)

EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 1: Determination of the maximum explosion pressure
FprEN 15967-2021 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
prEN 334-1990 Gas pressure governors for inlet pressures up to 100 bar

DIN

DIN EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum pressure rise of gases and vapours - Part 1: Determination of the maximum explosion pressure

German Institute for Standardization

DIN EN 15967:2022 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
DIN EN 15967:2020 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours; German and English version prEN 15967:2020
DIN EN 15967:2022-03 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours; German version EN 15967:2022
DIN EN 837-3:2019-08 Pressure gauges - Part 3: Diaphragm and capsule pressure gauges; dimensions, metrology, requirements and testing; German version EN 837-3:1996
DIN 51524-2 Berichtigung 1:2006 Pressure fluids - Hydraulic oils - Part 2: HLP hydraulic oils; Minimum requirements, Corrigenda to DIN 51524-2:2006-04
DIN 75554:1992 Pressure gauges
DIN 75554:1992-04 Pressure gauges
DIN EN 837-2:1997-05 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges; German version EN 837-2:1997
DIN 14421:2017-04 Pressure gauges (manometer) for fire pumps
DIN EN 15967:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours; German version EN 15967:2011
DIN EN 13673-2 Berichtigung 1:2007 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2: Determination of the maximum rate of explosion pressure rise; German version EN 13673-2:2005, Corrigenda to DIN EN 13673-2:2005-12
DIN 14421:2001 Pressure gauges (manometer) for fire pumps
DIN 14421:2017 Pressure gauges (manometer) for fire pumps
DIN 51524-1 Corrigendum 1:2006 Pressure fluids - Hydraulic oils - Part 1: HL hydraulic oils; Minimum requirements Corrigendum 1 to English version of DIN 51524-1:2006-04
DIN 75551:1988-05 Pressure gauges for automobiles
DIN EN 472:1994-11 Pressure gauges - Vocabulary; German version EN 472:1994

Association Francaise de Normalisation

NF S66-702*NF EN 15967:2022 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
NF EN 15967:2022 Determination of the maximum explosion pressure and the maximum pressure rise rate of gases and vapors
NF S66-702:2011 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours.
NF E15-038:1989 INDUSTRIAL PRESSURE GAUGES. METALLIC PRESSURE GAUGE INDICATORS. ABSOLUTE PRESSURE GAUGES.
NF E15-034:1989 INDUSTRIAL PRESSURE GAUGES. METALLIC PRESSURE GAUGE INDICATORS. DIFFERENTIAL GAUGES.
NF S66-254-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2 : determination of the maximum explosion pressure rise.
NF EN 837-2:1997 Manomètres - Partie 2 : recommandations sur le choix et l'installation des manomètres.
NF EN 837-3:1997 Manomètres - Partie 3 : manomètres à membrane et manomètres à capsule. Dimensions, métrologie, prescriptions et essais.
NF EN ISO 7751:2017 Rubber and plastic hoses and hoses - Ratios of test and rupture pressures to maximum working pressure
NF EN 472:1994 Manomètres - Vocabulaire

ES-UNE

UNE-EN 15967:2022 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours (Endorsed by Asociación Española de Normalización in March of 2022.)
UNE 60411:2019/1M:2021 Pressure regulators for gas receiving installations with a maximum inlet operating pressure (MOPe) greater than 0,4 bar and up to 5 bar and a maximum outlet operating pressure (MOPs) up to 0,4 bar.
UNE 60411:2019 Pressure regulators for gas receiving installations with a maximum inlet operating pressure (MOPe) greater than 0,4 bar and up to 5 bar and a maximum outlet operating pressure (MOPs) up to 0,4 bar.
UNE 60404-4:2021 Gaseous fuels. Regulation pressure and/or measurement packages with a maximum operating pressure up to 5 bar. Part 4: Regulation pressure and/or measurement packages for diaphragm gas meters
UNE 60310:2022 Gas supply pipelines for maximum operating pressure above 5 bar and up to and including 16 bar.
UNE 60311:2022 Gas supply pipelines for maximum operating pressure up to and including 5 bar.

CEN - European Committee for Standardization

EN 13673-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2: Determination of the maximum rate of explosion pressure rise

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Std C57.12.10-2010/Cor 1-2012 (Corrigendum to IEEE Std C57.12.10-2010) IEEE Standard Requirements for Liquid-Immersed Power Transformers--Corrigendum 1: Correction of 5.1.9--Sudden Pressure Relay
IEEE PC57.12.10-2010/Cor1/D1, September 2012 IEEE Standard Requirements for Liquid-Immersed Power Transformers--Corrigendum 1: Correction of 5.1.9--Sudden Pressure Relay
IEEE Std C57.12.10-2010/COR 1-2012 IEEE Standard Requirements for Liquid-Immersed Power Transformers--Corrigendum 1: Correction of 5.1.9--Sudden Pressure Relay
IEEE Std C57.12.10/COR 1-2012 Standard Requirements for Liquid-Immersed Power Transformers Corrigendum 1: Correction of 5.1.9 Sudden Pressure Relay

Society of Automotive Engineers (SAE)

SAE AS4873A-2014 Gland Design, Elastomeric O-Ring Seals, Static Radial and Face 800 psi Maximum Service
SAE ARP6249-2020 Hydraulic Pump Minimum Inlet Pressure Test
SAE ARP427A-2008 Pressure Ratio Instruments

American National Standards Institute （ANSI)

ANSI X9.32-1998 Data Compression in Wholesale Financial Telecommunications

RU-GOST R

GOST 4.58-1985 System of product quality indices. Pressure gauges, vacuum gauges, pressure-and-vacuum gauges, braught gauges, head gauges, draught-and-head gauges. Nomenclature of indices
GOST 8.053-1973 State system for ensuring the uniformity of measurements. Pressure, combined pressure-vacuum, vacuum, gauges and draught gauges with pneumatic output signals. Methods of verification
GOST 5761-2005 Valves for nominal pressure at most PN 250. General specifications
GOST 5761-1974 Globe valves Pnom 25 MPa (250 kgf/sq sm). General specifications
GOST 9933-1975 Absolute pressure gauges and u-tubes combined pressure vacuum gauges

CZ-CSN

CSN 25 7810-1966 Horizontal screw-type water meters; up to 30 °C and operating pressure 10 kp/cm2

HU-MSZT

MNOSZ 11205-1952 Pressure Gauge Accessories Flow, Pressure Gauge
MSZ 11240-1966 Pressure Gauge Accessories Left Thread Welded End Pressure Gauge

Canadian Standards Association (CSA)

CSA C802.3-01-2001 Pertes Maximales Pour Les Transformateurs De Puissance Premiere Edition; Mise A Jour No 1
CSA C802.3-2015 Minimum Efficiency Values for Power Transformers (Second Edition)

ISA - International Society of Automation

ISA RP2.1-1978 Manometer Tables

DE-GPVA

AD 2000-Merkblatt HP512-2003 Manufacture and testing of pressure vessels.Final testing and pressure testing

GSO

BH GSO EN 837-2:2022 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges
GSO EN 837-2:2021 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges
GSO EN 472:2009 Pressure gauges – Vocabulary
OS GSO EN 472:2009 Pressure gauges – Vocabulary

Defense Logistics Agency

DLA A-A-59568 A-2013 GAGES, MECHANICAL, TIRE PRESSURE, SELF CONTAINED AND INFLATOR GAGE, PNEUMATIC TIRE
DLA QPL-25867-2012 Gage, Pressure, Dial Indicating, Pneumatic
DLA QPL-25867-QPD-2010 Gage, Pressure, Dial Indicating, Pneumatic
DLA MIL-DTL-25867 D VALID NOTICE 1-2012 Gage, Pressure, Dial Indicating, Pneumatic

GM North America

GM3622M-1993 Adhesion Requirements of Pressure Sensitive Adhesive Coated Parts (Minimal Stress) Revision A
GM GM3622M-1993 Adhesion Requirements of Pressure Sensitive Adhesive Coated Parts (Minimal Stress)

AENOR

UNE 60411:2009/1M:2012 Gaseous fuels. Pressure regulator with a maximum inlet pressure (MOPe) greater than 0,4 bar and up to 5 bar and a maximum outlet pressure (MOPs) up to 0,4 bar.
UNE-EN 837-2:1998 PRESSURE GAUGES. PART 2: SELECTION AND INSTALLATION RECOMMENDATIONS FOR PRESSURE GAUGES.
UNE 60411:2009 Gaseous fuels. Pressure regulator with a maximum inlet pressure (MOPe) greater than 0,4 bar and up to 5 bar and a maximum outlet pressure (MOPs) up to 0,4 bar.
UNE-EN 472:1996 PRESSURE GAUGES. VOCABULARY.

GOST

GOST 2648-1978 SHG. Draft gauges, pressure gauges and pressure gauges. General technical conditions

BE-NBN

NBN 652-1965 Normal dimensions of low voltage electrical instruments

RO-ASRO

STAS 2250-1973 Pipe components NOMINAL PRESSURES, TEST PRES- SURES AND MAXIMUM ADMISSI- BLE WORKING PRESSURES
STAS SR ISO 3589-0:1995 Indicating pressure gauges, vacuum gauges and combined pressure and vacuum gauge with pressure-respansive element - Vocabulary

AT-ON

ONORM C 2027-1-1997 Pressure fluids - Hydraulic oils - Hydraulic oils HL - Minimum requirements Fluides sous pression - Huiles hydrauliques - Huiles hydrauliques HL - Exigences minimales
ONORM C 2027-4-1997 Pressure fluids - Hydraulic oils - Hydraulic oils HETG - Minimum requirements Fluides sous pression - Huiles hydrauliques - Huiles hydrauliques HETG - Exigences minimales
ONORM C 2027-5-1997 Pressure fluids - Hydraulic oils - Hydraulic oils HEES - Minimum requirements Fluides sous pression - Huiles hydrauliques - Huiles hydrauliques HEES - Exigences minimales
ONORM C 2027-3-1997 Pressure fluids - Hydraulic oils - Hydraulic oils HVLP - Minimum requirements Fluides sous pression - Huiles hydrauliques - Huiles hydrauliques HVLP - Exigences minimales
ONORM C 2027-2-1997 Pressure fluids - Hydraulic oils - Hydraulic oils HLP - Minimum requirements Fluides sous pression - Huiles hydrauliques - Huiles hydrauliques HLP - Exigences minimales

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

IEEE C57.12.10 CORR 2-2013 Liquid-Immersed Power Transformers Corrigendum 2: Correction of A.3.2.13 Autotransformer LTC application considerations

Korean Agency for Technology and Standards (KATS)

KS B 7706-1990 Connections of pressure gauges for Power sprayers
KS B 5225-2023 Cylinder gauges
KS B 5520-2009 Diaphragm seal pressure gauges

Japanese Industrial Standards Committee (JISC)

JIS B 7505-1:2017 Aneroid pressure gauges -- Part 1: Bourdon tube pressure gauges

GM Europe

GME GMI L-9A-24-2007 Hydraulic Rack-and-Pinion Power Steering - Maximum Steering Pressure (English/German; This standard may be applied only for current projects incl. Global Epsilon e (37##), Global Delta d (34##) and S-4470/50. It is Superceded for all future projects and r

American Society for Testing and Materials (ASTM)

ASTM F1199-88(2004) Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150176F Maximum)

International Organization for Standardization (ISO)

ISO 7751:1991/Amd 1:2011 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure - Amendment 1: Replacement of "design working pressure" by "maximum working pressure" throughout text

KR-KS

KS B 5225-2018(2023) Cylinder gauges

United States Navy

NAVY MIL-HDBK-801-1990 LIST OF PRESSURE GAUGES

SAE - SAE International

SAE ARP427-1958 Pressure Ratio Instruments

Others: The Most Authentic Fluorescence Photometer,The most authentic Fourier infrared,The most authentic gas alarm,The most authentic gas alarm,The most authentic atomic fluorescence,The most authentic conductivity meter,The most authentic differential pressure gauge,The most authentic pressure gauge,Authentic Diaphragm Pressure Gauge,The most authentic electrophoresis experimental device,The most authentic current specification,The most authentic diaphragm pressure gauge,The most authentic gas detector,authentic pressure gauge,The most authentic diaphragm pressure gauge,The most authentic liquid chromatograph,Authentic Capsule Pressure Gauge,Authentic Precision Gauge Pressure Gauge,The most authentic length measuring instrument,Authentic Precision Pressure Gauge