Index [www.marshallinstruments.com]

1 Index ii800-727-5646 gauges on- line !1 What s NewFRL s , Thermowells, GG Gauges, 40mm & 50mm Liquid Filled, Digital Meters, Diaphragm Seals2-5 Quick SelectorMarsh Gauge Selection Made easy!6-9 Filters Regulators LubricatorsMiniature (M1) & Standard (M2) FRL s, Filters, Regulators, Filter-Regulators, Lubricators10-14 General Service GaugesMarshalltown Value Series (10)Steel Case Series J (11-14)15-23 Liquid Filled Gauges 40mm & 50mm (15), Severe Service 63mm Stainless Steel Case(16), Severe Service 100mm Stainless Steel Case (18), Elite 100mm Safecase All Stainless Steel(20), H Series 100mm (21), 100mm Welded Socket HW Series(22), 63mm Brass Case (23) 24-28 Precision Service GaugesQuality(24), Test (26), Inspector s Test (28)29-32 Process Gauges Dry and Liquid Filled (29)

2 33-35 Diaphragm GaugesLow Pressure (33), Vacuum Cleaner Test (35), Gas Pressure Test (35)36-41 HVAC/R GaugesServiceman Test Gauge (36), Manifold Reds & Blues (37), Refrigeration Ammonia (38), Refrigeration (39),Contractor s HVAC (40), Heating System (41).42-45 Special Application GaugesSprinkler (42), Water Test (43), Paper Machine (44), X-mas Tree Gauges (45)46-47 Parts & Accessories48-50 Diaphragm SealsMini, Welded & Removable Diaphragm Seals51-55 Temperature InstrumentsBimetal Thermometers(51), Pocket Thermometers(53), Industrial Thermometers & Wells (54), Tridicators (55).56-58 Thermowells59 Pressure TransducersHandheld Digital Pressure Indicators (59)60-71 Electronic ControlsDigital Panel Mount (61-62), Nema 4 (63), Explosion Proof(64), PID Controllers(70), Loop Calibrator (71)72-81 General Information & ReferenceSelection and Use of a Pressure Gauge (72), Pressure Gauge Operating Principle (73), How the Diaphragm Gauge Works (73), Marsh Chemical Compatibility Table (74),Accuracy Table (75), Pressure Units Cross Reference Chart(76), Part Number Prefix Guide (77), Part number Suffix Guide (77), Abbreviations and Terms Used (77), Marshalltown Crossover Guide (77), Terms & Conditions (78)

3 , Distributor Return Policy (79), Product Classes and options (79), Product Warnings, Claims, Recommendations and Notices (80), Custom Dials (81)What s New 1part of the process!800-727-5646 1pg. 10 Marshalltown GG Value Seriespg. 56 58 Thermowellspg. 6 9 FRL spg. 60-71 Electronic Controlspg. 48-50 Diaphragm Sealspg. 1540mm & 50mmLiquid Filled Gaugespg. 53 Pocket SERIES GG VALUE SERIES GAUGES pg. 10 GENERAL SERVICE J GAUGEpg. 1140/50MM LIQUID FILLEDpg. 15 SEVERE SERVICE 63 MMpg. 16 ACCURACYASMEG rade B = 3/2/3 ( 2% ofrange across middle half ofscale)Grade B = 3/2/3 ( 2% ofrange across middle half ofscale) of range across fullscaleGrade B = 3/2/3 ( 2% ofrange across middle half ofscale)

4 CASE SIZE11 2" & 2" diameter11 2", 2", 21 2", 31 2", & 41 2"diameter40mm & 50mm diameter 63mm diameter CASE MATERIALD rawn steel, pretreated forrust resistance & black enamel finishDrawn steel pretreated forrust resistance and blackenamel finish304 Stainless steel304 Stainless steelCASE STYLESL ower Mount, Center BackMount, Right & Left MountsLower Mount, Center Back, U-Clamp & Front FlangeMountsCenter Back MountRolled ring, hermeticallysealed case; Lower Mount,Center Back, U-Clamp & FrontFlange MountTUBE & SOCKETC opper AlloyCopper alloyCopper alloy tube with nickelplated brass socketCopper alloy tube & socket or 316 stainless steel tube &socketMOVEMENTB rass sector and pinion Brass sector and pinion Brass sector and pinionBrass sector and pinionCONNECTIONS1 8" 1 4" NPT1 8" & 1 4" NPT 40mm: 1/8" NPT50mm: 1/4" NPT1 4" NPTRANGES15 to 160 psi 0-30" Hg vacuum; compoundranges 30" Hg vacuum to 400psi; and 15 to 5,000 psi15 to 160 psi0-30" Hg vacuum; compoundranges 30" Hg vacuum to 400psi.

5 And 15-10,000 psiSTANDARD DIALDual Scale psi and kPaDual scale psi and kPaTriple scalepsi/BAR/kPaDual scale psi and kPaDIAL COLOR Black markings on whiteBlack markings on whiteBlack markings on whiteBlack markings on whitePOINTERA luminum, black paintedAluminum, black paintedAluminum, black paintedAluminum, black paintedWINDOWFlat plastic window with steelfriction ring11 2", 2", 21 2", 31 2" flat twistin clearlok; 41 2" flat glass window w/friction ringAcrylic PolycarbonateFILL MEDIUMN/AN/AGlycerineDry, glycerin, or siliconeVENTN/AN/AFiller/Pressure relief plugRubber plug with snip-off featureQuick Selector 22800-727-5646 gauges on- line !

6 The 1stchoice for accuracy, safety &reliability!Quick Selector GAUGE SERIESSEVERE SERVICE 100MM X SERIESpg. 18 ELITE 100MM W GAUGESpg. 20 LIQUID FILLED 100MM H SERIES pg. 21 WELDED SOCKET 100MM HW SERIESpg. 22 ACCURACYASMEG rade 1A = 2/1/2 ( 1% ofrange across middle half ofscale)Grade 1A = 1% full scaleGrade 1A = 1% full scale Grade 1A = 1% full scaleCASE SIZE100mm diameter100mm diameter100mm diameter 100mm diameterCASE MATERIAL304 Stainless steel304 Stainless steel304 Stainless steel 304 Stainless steelCASE STYLESR olled ring, hermetically sealedcase; Lower mount, CenterBack, U-Clamp & Front FlangeMountSafecase with blow-out backconstruction.

7 Lower MountLower Mount, Panel Mountwith U-Clamp and three holeFront Flange MountLower MountTUBE & SOCKETC opper alloy tube & socket or 316 stainless steel tube &socket316 Stainless steel316 Stainless steel 316 Stainless steel tube withsocket welded to the caseMOVEMENTB rass sector and pinionStainless steel rotary movementStainless steel Stainless steelCONNECTIONS1 4" NPT1 2" NPT1 4" NPT1 2" NPT RANGES0-30" Hg vacuum; compoundranges 30" Hg vacuum to 300psi; 15-10,000 psi0-30" Hg vacuum 30-10,000psi30-10,000 psi 15-20,000 psiSTANDARD DIALDual scale psi and kPaDual scale psi and kPaDual scale psi and kPa Dual scale psi and kPaDIAL COLOR Black markings on whiteBlack markings on whiteBlack markings on white Black markings on whitePOINTERA luminum, black paintedAluminum, black paintedAluminum, black painted Aluminum, black paintedWINDOWP olycarbonateSafety glassAcrylic Safety glass FILL MEDIUMDry, glycerin, or siliconeDry, glycerin or siliconeDry, glycerin, or silicone Dry, glycerin.

8 Or siliconeVENTR ubber plug with snip-off featureInternal compensatingdiaphragmRubber plug with snip-off feature Rubber plug with snip-off feature3Wo rld ClassInstrumentationpart of the process!800-727-5646 3 GAUGE SERIESQUALITY GAUGE H SERIESpg. 24 TEST GAUGE D SERIESpg. 26 INSPECTOR TEST GAUGEpg. 28 PROCESS GAUGE P SERIESpg. 29 ACCURACYASMEG rade A = 2/1/2 ( 1% ofrange across middle half ofscale)Grade 3A = full scaleGrade 2A = full scaleGrade 2A = full scaleCASE SIZE31 2" & 41 2" diameter41 2" diameter3" diameter41 2" & 6" diameterCASE MATERIALB lack painted steelBlack painted steelNickel plated brassSafecase polypropylene (turretstyle only) & aluminumCASE STYLESL ower Mount, Flush case(Front Flange w/U-Clamp),Back Flange with Lower orLower Back MountsLower Mount, Flush Mount(Front Flange w/U-clamp &hinged ring)

9 Lower MountTurret, Back Flange case,Front Flange Mount, Lower or Lower Back MountTUBE & SOCKETC opper alloy socket and tubeup to 1,000 psi. Stainlesssteel tube, tip & socket above1,000 psiCopper alloy tube & socket or316 stainless steel tube &socketCopper alloy tube and socketCopper alloy or 316 stainlesssteelMOVEMENTS tainless steelStainless steelBrassStainless steelCONNECTIONS1 4" or 1 2" NPT1 4" or 1 2" NPT1 4" NPT1 4" or 1 2" NPTRANGES0-30" Hg vacuum; compoundranges 30" Hg vacuum to 300psi; 15-20,000 psi0 to 30" Hg vacuum; com-pound ranges 30" Hg vacuumto 300 psi; 15-10,000 psi 0 to 30" Hg vacuum; 15 to 1,000 psi0 to 30" Hg vacuum; compound 30" Hg vacuum to 300 psi.

10 15 to 20,000 psiSTANDARD DIALS ingle scale psi onlySingle scale psi onlyDual scale psi and kPaSingle scale psiDIAL COLOR Black markings on whiteBlack markings on white withmirrored dial to avoid parallaxBlack markings on whiteBlack markings on whitePOINTER31 2 Recalibrator41 2" Adjustable micrometerKnife-edge micrometer-adjustable, Aluminum, blackpaintedAluminum, black painted, knifeedgeAdjustable micrometer, blackpaintedWINDOWG lassGlassBeveled glassAcrylicFILL MEDIUMN/AN/AN/ADry, glycerin, or siliconeVENTN/ABlowout discN/AInternal compensatingdiaphragmQuick Selector 44800-727-5646 gauges on- line !The world sbroadest lineof liquidfilled gauges!