A4ADZCV

A4A ASHCROFT | Alldatasheet

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Technical content

FEATURES

±0.1% of span accuracy (ASME B 40.100 Grade 4A) Ranges from vacuum to 100,000 psi, gauge, absolute and compound pressure Mirror band dial and knife edge pointer to eliminate parallax error Solid front protective case External zero adjustment KEY BENEFITS

• High accuracy for precision pressure measurement
• Many process connection options
• Dual engineering unit scale optional o f 41 FEA T URES Mirr or -band dial and knife-edge pointer to eliminate parallax err or Ranges fr om V acuum to 100,000 psi, gauge, absolute and compound pr essur e Solid-fr ont pr otective case T emperatur e-compensated movement significantly r educes temperatur e err or TYPICAL USE S T est Laboratories Pr ecision T est and Measur ement V alidation Calibration Laboratories A l l s p e c i fic a t i o n s a r e s u bje c t t o c h a nge w i t h o u t n oti c e . A l l s a l e s s u bje c t t o s t a n d a r d t e r m s a n d c o n d iti o n s . ©20 1 8 A s h c r o f t I n c . A s h _ B u l _ A 4 A _ p r e s s u r e _ d s , R e v . A , 0 2 / 1 8 ashcroft.com info@ashcroft.com 1.800.328.8258 Data Sheet A 4 A P re c i s i o n P re ssure Gaug e SPECIFI C A T I ONS Accurac y: ± 0 .1% of span (ASME B 4 0.1 00 Grade 4 A ) (in clud es NIST T rac eab le Cali bration C ertifi cati o n ) Ranges: Vac uum, Comp ound to 10,000 psi ( absolu t e pressure avail abl e ) Process Connection Size: ¼ N PT Female bottom 1 ⁄8 N PT Male or Female – bac k or b ottom ¼ N PT Male or Female – bac k or b ottom 9 ⁄1 6 -18 U N F-2 B Female for ¼ HP tubin g M S 33649 -4 Femal e only – b ack or bottom M S 33656 -4 Male onl y – back or bottom M S -1614 2 Female o n ly – back or b ottom Mil -G-1 8997 D M ale o nly – bac k or b ottom Pointer T ravel : 3 5 0 °: u p to 3 0,0 00 psi 300 °: 4 0,0 00 to 50,000 p s i 270 °: 6 0,0 00 thru 1 0 0,000 p s i Dial: Zero adjus tabl e alu min um, whi te backg round, b l ack numeral s with poli shed mirror b a n d Repea tability: ± 0 .02% of s p a n Hysteresis: < 0 .1% of span Sensitivity: 0.0 1% of span WETTE D C O MPONENTS Bourdon T ube Process Connection 0/15 psi through 0/40 psi: Ber yllium copper 0/50 psi through 0/100,000 psi: 403 SS 303 SS NON-WET T E D COM P O N E N T S Case Ma terial Enc losure Ra ting Cast aluminum, solid front, blo w out rear cover; Integral panel mounting flange Case is not sealed, recommended for wea ther protected environment only OPTI O N AL FEA T URES T empera ture Compensa tion: -25°F to 125°F P eak Load Indica tor: 6”, 8 ½”, 12”, 16” W all Mount: 6”, 8 ½”, 12”, 16” Consult F actor y F or: Special c leaning for Oxygen Ser vices, Special scale and Calibra tion options, Slotted Link options, and Dual Scale opttions A4A 6˝, 8 ½˝, 12˝, 16˝ dial sizes KEY BENEFITS
• Epozy-coated system for corrosion resistance
• Rugged SS construction
• Integral span adjustment
• Compact design A4A 6˝, 8½˝, 12˝ or 16˝ dial sizes SPECIFICATIONS Accuracy: ±0.1% of span (ASME B40.100 Grade 4A) Includes NIST Traceable Calibration Certification Hysteresis: <0.1% of span Hysteresis may exceed ±0.1% of span for ranges equal to greater than 75,000 psi (±0.3% typical not to exceed ±0.4% of span) Case Size: 6˝, 8½˝, 12˝ or 16˝ Enclosure Rating: Case is not sealed, recommended for weather protected environment only Process Connection Size: ¼ NPT Female 1⁄8 NPT Male or female ¼ NPT Male or female 9⁄16˝-18 UNF-2B Female for ¼˝ HP tubing MS33649-4 Female only MS33656-4 Male only MS-16142 Female only Mil-G-18997D Male only
• Standard Inlet Fittings: ¼ NPT Female back connection for ranges up to and including 10,000 psi.
• Ranges greater than 10,000 psi 9⁄16 -18 UNF Female compatible with AND10050-4, Aminco 45-11310 and Autoclave F-250-C. Process Connection Location: Back, bottom Case Style: Solid front, blow out rear cover, with intregal panel mounting flange Mounting Options: Intregal panel mount or optional wall mount bracket Pointer Travel: 350 Degrees up to 30,000 psi

300 Degrees 40,000 to 50,000 psi

270 Degrees 60,000 thru 100,000 psi

Options: Thermal compensation from –25°F to +125°F NON-WETTED COMPONENTS Model Case Material Cast Aluminum A4A Enclosure Rating Case is not sealed, recommended for weather protected environment only OPTIONS Thermal Compensation: Bimetalic compensator corrects effects of ambient tem- perature on bourdon tube to maintain accuracybetween -25°F and +125°F Slotted Link: Protects gauge movement from damage caused bysudden release of pressure, such as burst testing applications Peak Load Indicator: “Max Hand” red pointer which remains in position after being pushed by the primary pointer. External knob allows for manual reset. Peak Load Indicator: Special units of measure and dual scales can be customized to meet customer requirements. Curstom Scales : Special units of measure and dual scales can be customized to meet customer requirements. Hand Carry Case: Sturdy lightly paded case for storage and hand carry of gauge. Not suitable for use as stand alone shipping container. WETTED COMPONENTS Model Inlet Fitting 303SS A4A Bourdon Tube Beryllium copper: 0/15 psi through 0/40 psi

403 SS: 0/50 psi through 0/100,000 psi

A4A Precision Pressure Gauge All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2020 Ashcroft Inc. A4A_gauge_ds_RevE_08-17-20 ashcroft.com info@ashcroft.com 1.800.328.8258

ORDERING CODE Example: A4AD L G V 200 C Model Code/Dial Size A4AD - 6˝ dial A4AD A4AE - 81/2˝ dial A4AF - 12˝ dial A4AG - 16˝ dial Process Connection Size/Location A - 1⁄8 Male NPT back B - ¼ Male NPT back C - 1⁄8 Female NPT back D - ¼ Female NPT back E - 9⁄16-18 Thread back F - MS-33656-4 Male back G - MS-33649-4 Female back J - 9⁄16-18 UNF3A Male back K - 1⁄8 Male NPT bottom L - ¼ Male NPT bottom L M - 1⁄8 Female NPT bottom N - ¼ Female NPT bottom P - 9⁄16-18 Thread bottom R - MS-33656-4 Male bottom S - MS-33649-4 Female bottom U - 9⁄16-18 UNF3A Male bottom X - MS-16142 9⁄16-18 Female bottom Z - MS-16142 9⁄16-18 Female back Pressure Type G - Gauge G V - Vacuum C - Compound Tube Material J - Berillium copper (up to 40 psi) V - 403 Stainless steel (50 psi and greater) V Pressure Range 12 - 12 psi 15 - 15 psi 20 - 20 psi 25 - 25 psi 30 - 30 psi 40 - 40 psi 50 - 50 psi 60 - 60 psi 75 - 75 psi 100 - 100 psi 150 - 150 psi 200 - 200 psi 200 250 - 250 psi 300 - 300 psi 400 - 400 psi 500 - 500 psi 600 - 600 psi 750 - 750 psi 1000 - 1,000 psi 1250 - 1,250 psi 1500 - 1,500 psi 2000 - 2,000 psi 2500 - 2,500 psi 3000 - 3,000 psi 4000 - 4,000 psi 5000 - 5,000 psi 6000 - 6,000 psi 7500 - 7,500 psi 10000 - 10,000 psi 15000 - 15,000 psi 20000 - 20,000 psi 25000 - 25,000 psi 30000 - 30,000 psi 40000 - 40,000 psi 50000 - 50,000 psi 60000 - 60,000 psi (available in 8½˝, 12˝ or 16˝) 75000 - 75,000 psi (available in 8½˝, 12˝ or 16˝) (see note 1) 100000 - 100,000 psi (available in 8½˝, 12˝ or 16˝) (see note 1) Optional Features C - Slotted link C D - Temperature compensated E - Special calibration F - Special scale G - Dual scale H - Special cleaning for oxygen service I - 6˝ Peak load indicator J - 8½˝ Peak load indicator K - 12˝ Peak load indicator L - 16˝ Peak load indicator M - 6˝ Wall mount N - 8½˝, 12˝or 16˝ Wall mount P - Cleaned for general gas service S - Laminated safety glass W - Special cleaning, O2 clean, do not apply warning labels NOTE: Product codes are specified in psi based on maximum capability of the bourdon tube assembly. Full scale pressure range and units of measure must be specified by special instructions in addition to the product code. For example 10,000 psi range would be specified and special instructions “Calibrate 0-600 Bar” NOTE: 1.) Hysteresis may exceed 0.1% of span for ranges of 75,000 psi or greater. 0.3% is typical, not to exceed 0.4%. of 5 Data Sheet A4A Precision Pressure Gauge All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2020 Ashcroft Inc. A4A_gauge_ds_RevE_08-17-20 ashcroft.com info@ashcroft.com 1.800.328.8258

-30 to 0 - - Positive Pressure 0-30 - - 0-40 - - 0-50 - - 0-60 - - 0-75 - - - 0-450 - - 0-500 - - 0-600 - - 0-750 - - 0-800 - - - - 0-100 - - 0-125 - - 0-150 - - 0-200 - - 0-250 - - 0-300 - - 0-400 - - 0-500 - - 0-600 - - 0-750 - - - - 0-760 0-1000 - - - - 0-1000 - - 0-1250 - - 0-1500 - - 0-2000 - - 0-2500 - - 0-3000 - - 0-4000 - - 0-5000 STANDARD RANGES Vacuum bar kg/cm2 kp/cm2 kPa mPa Notes -1 to 0 - - Positive Pressure 0.2-1 - - 0-1 0-100 - 0-1.6 0-160 - 0-2 0-200 - 0-2.5 0-250 - 0-3 0-300 - 0-4 0-400 - 0-5 0-500 - 0-6 0-600 - 0-7.5 0-750 - 0-10 0-1000 0-1 0-12 0-1200 0-1.50 0-16 0-1600 0-1.6 0-20 0-2000 0-2 0-25 0-2500 0-2.5 0-30 0-3000 0-3 0-40 0-4000 0-4 0-50 0-5000 0-5 0-60 0-6000 0-6 0-75 0-7500 0-7.5 0-100 0-10000 0-10 0-125 - 0-12.5 0-160 - 0-16 0-200 - 0-20 0-250 - 0-25 0-400 - 0-40 0-500 - 0-50 0-600 - 0-60 0-750 - 0-75 0-1000 - 0-100 0-1250 - 0-125 0-1600 - 0-160 0-2500 - 0-250 0-4000 - 0-400 Available in 8½”, 12” or 16.” Dial face diamerts only 0-6000 - 0-600 Available in 8½”, 12” or 16.” Dial face diamerts only 0-7000 - 0-700 Available in 8½”, 12” or 16.” Dial face diamerts only of 5 Data Sheet A4A Precision Pressure Gauge All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2020 Ashcroft Inc. A4A_gauge_ds_RevE_08-17-20 ashcroft.com info@ashcroft.com 1.800.328.8258

(inches) A B C D E E1 E2 FM FF G HF HM J K L 6˝ 77⁄8 [200] [177.8] [165.1] [177.8] [50.8] 17⁄8 [47.6] [31.8] 49⁄16 [115.8] [107.9] [82.5] 11⁄16 [27] 13⁄8 [34.9] 327⁄32 [97.6] 5⁄8 [15.9] 215⁄32 [62.7] 8½˝ 105⁄16 [261.9] 93⁄8 [238.1] 815⁄16 [227] [241.3] [50.8] 17⁄8 [47.6] [31.8] 543⁄64 [144] 523⁄64 [136.1] [82.5 11⁄16 [27] 13⁄8 [34.9] 41⁄32 [102.4] 5⁄8 [15.9] 221⁄32 [67.4] 12˝ 1321⁄32 [346.9] 12¾ [323.9] 123⁄8 [314.3] [241.3] [50.8] 17⁄8 [47.6] [31.8] 543⁄64 [144] 523⁄64 [136.1] [82.5] 11⁄16 [27] 13⁄8 [34.9] 41⁄32 [102.4] 5⁄8 [15.9] 221⁄32 [67.4] 16˝ 1723⁄32 [450.1] 16¾ [425.5] 163⁄8 [415.9] [241.3] [82.5 15⁄16 [33.3] 163⁄64 [50.4] 59⁄16 [141.3] [133.4] 325⁄64 [86.1] 11⁄16 [27] 13⁄8 [34.9] 41⁄16 [103.1] 41⁄64 [16.3] 221⁄32 [67.4] Pressure Connection* (P) Pressure Connection is illustrated in both back and bottom configurations Approximate Weight Dial Size (inches) 6˝ 8½˝ 12˝ 16˝ Net Weight (lbs) 4½ 7¾ 10¾ 14¼ Shipping Weight 7 10 15 21 * Standard Process Connection: ¼ NPT Female Back Connection for ranges up to and including 10,000 psi, 9⁄16-18 UNF-2B Female for ¼ HP tubing compatible with AMINCO 45-11310 or AUTOCLAVE F-250-C for ranges over 10,000 psi FRONT VIEW PANEL MOUNTING SIDE VIEW WALL MOUNTING DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings PRESSURE TYPE DEFINITIONS Gauge Pressure Gauge: Indicates pressure using ambient atmospheric pressure as the zero datum point. Compound Pressure Gauge: Indicates pressure both above and below ambient atmospheric pressure using atmospheric pressure as the zero datum point. Vacuum Gauge: Indicates pressure below ambient atmospheric pressure using atmospheric pressure as the zero datum point. Absolute Pressure Gauge: Indicates pressure above zero absolute pressure (full vacuum).Heise absolute pressure gauges DO NOT incorporate automatic atmospheric barometric pressure compensation. The barometric pressure at the time of use must be set in the gauge using the external adjustment dial. of 5 Data Sheet A4A Precision Pressure Gauge All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2020 Ashcroft Inc. A4A_gauge_ds_RevE_08-17-20 ashcroft.com info@ashcroft.com 1.800.328.8258

0-1.6 0-2 0-2.5 0-3 0-4 0-5 0-6 0-7.5 0-10 0-15 0-16 0-20 0-25 0-30 0-40 0-50 0-60 0-75 0-100 0-150 0-160 0-200 0-250 0-300 0-400 0-500 0-600 0-750 0-760 0-1000 0-1500 0-1600 0-2000 0-2500 0-3000 0-4000 0-5000 0-6000 0-7500 0-10000 0-15000 0-20000 0-25000 0-30000 0-40000 0-50000 0-60000 0-75000 0-100000 Scale for All Units of Measure 0-1 0-1.6 0-2 0-2.5 0-3 0-4 0-5 0-6 0-7.5 0-10 0-15 0-16 0-20 0-25 0-30 0-40 0-50 0-60 0-75 0-100 0-150 0-160 0-200 0-250 0-300 0-400 0-500 0-600 0-750 0-760 0-1000 0-1500 0-1600 0-2000 0-2500 0-3000 0-4000 0-5000 0-6000 0-7500 0-10000 0-15000 0-20000 0-25000 0-30000 0-40000 0-50000 0-60000 0-75000 0-100000 Total fNumber Value of per Division Numeral Divisions Division Pattern Value 500 .002 1/5 .05 800 .002 1/5 .1 400 .005 1/2 .1 500 .005 1/2 .1 600 .005 1/2 .2 400 .01 1/5 .2 500 .01 1/5 .2 600 .01 1/5 .2 750 .01 1/5 .5 500 .02 1/5 .5 750 .02 1/5 1 800 .02 1/5 1 400 .05 1/2 1 500 .05 1/2 1 600 .05 1/2 2 400 .1 1/5 2 500 .1 1/5 2 600 .1 1/5 2 750 .1 1/5 5 500 .2 1/5 5 750 .2 1/5 10 800 .2 1/5 10 400 .5 1/2 10 500 .5 1/2 10 600 .5 1/2 20 400 1 1/5 20 500 1 1/5 25 600 1 1/5 25 750 1 1/5 50 760 1 1/5 40 500 2 1/5 50 750 2 1/5 100 800 2 1/5 100 400 5 1/2 100 500 5 1/2 100 600 5 1/2 200 400 10 1/5 200 500 10 1/5 250 600 10 1/5 250 750 10 1/5 500 500 20 1/5 500 750 20 1/5 1000 400 50 1/2 1000 500 50 1/2 1000 600 50 1/2 2000 400 100 1/5 2000 500 100 1/5 2500 600 100 1/5 2500 750 100 1/5 5000 500 200 1/5 5000 Total fNumber Value of per Division Numeral Divisions Division Pattern Value 1000 .001 1/5 .05 800 .002 1/5 .1 1000 .002 1/5 .1 1000 .0025 1/4 .1 600 .005 1/2 .2 800 .005 1/2 .2 1000 .005 1/2 .2 600 .01 1/5 .2 750 .01 1/5 .5 1000 .01 1/5 .5 750 .02 1/5 1 800 .02 1/5 1 1000 .02 1/5 1 1000 .025 1/4 1 600 .05 1/2 2 800 .05 1/2 2 1000 .05 1/2 2 600 .1 1/5 2 750 .1 1/5 5 1000 .1 1/5 5 750 .2 1/5 10 800 .2 1/5 10 1000 .2 1/5 10 1000 .25 1/4 10 600 .5 1/2 20 800 .5 1/2 20 1000 .5 1/2 20 600 1 1/5 25 750 1 1/5 50 760 1 1/5 40 1000 1 1/5 50 750 2 1/5 100 800 2 1/5 100 1000 2 1/5 100 1000 2.5 1/4 100 600 5 1/2 200 800 5 1/2 200 1000 5 1/2 200 600 10 1/5 250 750 10 1/5 500 1000 10 1/5 500 750 20 1/5 1000 1000 20 1/5 1000 1000 25 1/4 1000 600 50 1/2 2000 800 50 1/2 2000 1000 50 1/2 2000 600 100 1/5 2500 750 100 1/5 5000 1000 100 1/5 5000 Total fNumber Value of per Division Numeral Divisions Division Pattern Value 1000 .001 1/5 .05 800 .002 1/5 .1 1000 .002 1/5 .1 1250 .002 1/5 .1 1500 .002 1/5 .1 800 .005 1/2 .2 1000 .005 1/2 .2 1200 .005 1/2 .2 1500 .005 1/2 .5 1000 .01 1/5 .5 1500 .01 1/5 .5 800 .02 1/5 1 1000 .02 1/5 1 1250 .02 1/5 1 1500 .02 1/5 1 800 .05 1/2 2 1000 .05 1/2 2 1200 .05 1/2 2 1500 .05 1/2 5 1000 .1 1/5 5 1500 .1 1/5 5 800 .2 1/5 10 1000 .2 1/5 10 1250 .2 1/5 10 1500 .2 1/5 10 800 .5 1/2 20 1000 .5 1/2 20 1200 .5 1/2 20 1500 .5 1/2 50 1520 .5 1/2 40 1000 1 1/5 50 1500 1 1/5 50 800 2 1/5 100 1000 2 1/5 100 1250 2 1/5 100 1500 2 1/5 100 800 5 1/2 200 1000 5 1/2 200 1200 5 1/2 200 1500 5 1/2 500 1000 10 1/5 500 1500 10 1/5 500 1000 20 1/5 1000 1250 20 1/5 1000 1500 20 1/5 1000 800 50 1/2 2000 1000 50 1/2 2000 1200 50 1/2 2000 1500 50 1/2 5000 1000 100 1/5 5000 Total fNumber Value of per Division Numeral Divisions Division Pattern Value 1000 .001 1/5 .05 1600 .001 1/5 .05 1000 .002 1/5 .1 1250 .002 1/5 .1 1500 .002 1/5 .1 1600 .0025 1/4 .1 1000 .005 1/2 .2 1200 .005 1/2 .2 1500 .005 1/2 .5 1000 .01 1/5 .5 1500 .01 1/5 .5 1600 .01 1/5 .5 1000 .02 1/5 1 1250 .02 1/5 1 1500 .02 1/5 1 1600 .025 1/4 1 1000 .05 1/2 2 1200 .05 1/2 2 1500 .05 1/2 5 1000 .1 1/5 5 1500 .1 1/5 5 1600 .1 1/5 5 1000 .2 1/5 10 1250 .2 1/5 10 1500 .2 1/5 10 1600 .25 1/4 10 1000 .5 1/2 20 1200 .5 1/2 20 1500 .5 1/2 50 1520 .5 1/2 20 1000 1 1/5 50 1500 1 1/5 50 1600 1 1/5 50 1000 2 1/5 100 1250 2 1/5 100 1500 2 1/5 100 1600 2.5 1/4 100 1000 5 1/2 200 1200 5 1/2 200 1500 5 1/2 500 1000 10 1/5 500 1500 10 1/5 500 1000 20 1/5 1000 1250 20 1/5 1000 1500 20 1/5 1000 1600 25 1/4 1000 1000 50 1/2 2000 1200 50 1/2 2000 1500 50 1/2 5000 1000 100 1/5 5000 of 5 Data Sheet A4A Precision Pressure Gauge All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2020 Ashcroft Inc. A4A_gauge_ds_RevE_08-17-20 ashcroft.com info@ashcroft.com 1.800.328.8258