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Wika 312.20 Series 6" SS Dry Test Gauge, Brass Wetted Parts
Designed for gaseous and liquid media that are not highly viscous or crystallizing, and compatible with materials that won't corrode copper alloy components, the Wika 312.20 Series Copper Alloy Test Gauge offers unparalleled accuracy in high-precision pressure measurement applications. This exceptional gauge excels in testing industrial pressure gauges and precision measurements in laboratories, ensuring reliable and consistent results.
One of the standout features of the Wika 312.20 Series is its knife-edge pointer, which enables optimal accuracy when reading measurements. The gauge's precise movement is constructed with wear-resistant Argentan parts, ensuring long-lasting performance and durability. Compliant with EN 837-1 and ASME B40.100 standards, this gauge delivers an impressive accuracy of up to ±0.25% of the measuring span, meeting the stringent requirements of grade 3A.
With a comprehensive range of scale options, from 0 ... 0.6 bar to 0 ... 600 bar (0 ... 10 psi to 0 ... 10,000 psi), the Wika 312.20 Series Copper Alloy Test Gauge caters to diverse pressure measurement needs across various industries. Branom is renowned as the premier destination for acquiring this exceptional gauge, offering unparalleled product quality and customer service.
Order Code Prefix: 312.20-F-
Specifications
| Wika 312.20 | |
|---|---|
| Scale Range | ￭ psi ￭, [PG269] 0/10 psi, [PG310] 0/15 psi, [PG321] 0/30 psi, [PG341] 0/60 psi, [PG369] 0/100 psi, [PG410] 0/150 psi, [PG411] 0/160 psi, [PG414] 0/200 psi, [PG417] 0/250 psi, [PG421] 0/300 psi, [PG428] 0/400 psi, [PG434] 0/500 psi, [PG441] 0/600 psi, [PG455] 0/800 psi, [PG469] 0/1000 psi, [PG510] 0/1500 psi, [PG514] 0/2000 psi, [PG521] 0/3000 psi, [PG528] 0/4000 psi, [PG534] 0/5000 psi, [PG541] 0/6000 psi, [PG552] 0/7500 psi, [PG569] 0/10000 psi, ￭ psi / -inHg ￭, [PV251] -15 inHg/0 psi, [PV310] -30 inHg/0 psi, [PV321] -30 inHg/15 psi, [PV331] -30 inHg/30 psi, [PV352] -30 inHg/60 psi, [PV379] -30 inHg/100 psi, [PV412] -30 inHg/160 psi, [PV415] -30 inHg/200 psi, [PV422] -30 inHg/300 psi, ￭ bar ￭, [BG260] 0/0.6 bar, [BG310] 0/1 bar, [BG316] 0/1.6 bar, [BG320] 0/2 bar, [BG325] 0/2.5 bar, [BG340] 0/4 bar, [BG360] 0/6 bar, [BG370] 0/7 bar, [BG410] 0/10 bar, [BG414] 0/14 bar, [BG416] 0/16 bar, [BG420] 0/20 bar, [BG425] 0/25 bar, [BG430] 0/30 bar, [BG440] 0/40 bar, [BG460] 0/60 bar, [BG470] 0/70 bar, [BG510] 0/100 bar, [BG514] 0/140 bar, [BG516] 0/160 bar, [BG520] 0/200 bar, [BG525] 0/250 bar, [BG532] 0/315 bar, [BG540] 0/400 bar, [BG560] 0/600 bar, ￭ bar vacuum ￭, [BV260] -0.6/0 bar, [BV310] -1/0 bar, [BV316] -1/0.6 bar, [BV320] -1/1 bar, [BV325] -1/1.5 bar, [BV330] -1/2 bar, [BV340] -1/3 bar, [BV350] -1/4 bar, [BV360] -1/5 bar, [BV380] -1/7 bar, [BV410] -1/9 bar, [BV411] -1/10 bar, [BV416] -1/15 bar, [BV425] -1/24 bar, [BV431] -1/30 bar, ￭ kPa ￭, [LG260] 0/60 kPa, [LG270] 0/70 kPa, [LG310] 0/100 kPa, [LG316] 0/160 kPa, [LG320] 0/200 kPa, [LG325] 0/250 kPa, [LG330] 0/300 kPa, [LG340] 0/400 kPa, [LG360] 0/600 kPa, [LG370] 0/700 kPa, [LG380] 0/800 kPa, [LG410] 0/1000 kPa, [LG414] 0/1400 kPa, [LG416] 0/1600 kPa, [LG425] 0/2500 kPa, [LG430] 0/3000 kPa, [LG440] 0/4000 kPa, [LG460] 0/6000 kPa, [LG470] 0/7000 kPa, [LG480] 0/8000 kPa, [LG510] 0/10000 kPa, [LG514] 0/14000 kPa, [LG516] 0/16000 kPa, [LG520] 0/20000 kPa, [LG525] 0/25000 kPa, [LG532] 0/31500 kPa, [LG540] 0/40000 kPa, [LG560] 0/60000 kPa, ￭ kPa vacuum ￭, [LV260] -60/0 kPa, [LV310] -100/0 kPa, [LV316] -100/60 kPa, [LV320] -100/100 kPa, [LV325] -100/150 kPa, [LV330] -100/200 kPa, [LV340] -100/300 kPa, [LV350] -100/400 kPa, [LV360] -100/500 kPa, [LV380] -100/700 kPa, [LV410] -100/900 kPa, [LV411] -100/1000 kPa, [LV416] -100/1500 kPa, [LV425] -100/2400 kPa, [LV431] -100/3000 kPa, ￭ MPa ￭, [EG260] 0/0.06 MPa, [EG310] 0/0.1 MPa, [EG316] 0/0.16 MPa, [EG320] 0/0.2 MPa, [EG325] 0/0.25 MPa, [EG340] 0/0.4 MPa, [EG360] 0/0.6 MPa, [EG370] 0/0.7 MPa, [EG410] 0/1 MPa, [EG414] 0/1.4 MPa, [EG416] 0/1.6 MPa, [EG420] 0/2 MPa, [EG425] 0/2.5 MPa, [EG430] 0/3 MPa, [EG440] 0/4 MPa, [EG460] 0/6 MPa, [EG470] 0/7 MPa, [EG510] 0/10 MPa, [EG514] 0/14 MPa, [EG516] 0/16 MPa, [EG520] 0/20 MPa, [EG525] 0/25 MPa, [EG532] 0/31.5 MPa, [EG540] 0/40 MPa, [EG560] 0/60 MPa, ￭ MPa vacuum ￭, [EV260] -0.06/0 MPa, [EV310] -0.1/0 MPa, [EV316] -0.1/0.06 MPa, [EV320] -0.1/0.1 MPa, [EV325] -0.1/0.15 MPa, [EV330] -0.1/0.2 MPa, [EV340] -0.1/0.3 MPa, [EV350] -0.1/0.4 MPa, [EV360] -0.1/0.5 MPa, [EV380] -0.1/0.7 MPa, [EV410] -0.1/0.9 MPa, [EV411] -0.1/1 MPa, [EV416] -0.1/1.5 MPa, [EV425] -0.1/2.4 MPa, [EV431] -0.1/3 MPa, ￭ kg/cm2 ￭, [KG259] 0/0.6 kg/cm2, [KG298] 0/1 kg/cm2, [KG316] 0/1.6 kg/cm2, [KG320] 0/2 kg/cm2, [KG325] 0/2.5 kg/cm2, [KG339] 0/4 kg/cm2, [KG359] 0/6 kg/cm2, [KG369] 0/7 kg/cm2, [KG398] 0/10 kg/cm2, [KG414] 0/14 kg/cm2, [KG416] 0/16 kg/cm2, [KG420] 0/20 kg/cm2, [KG425] 0/25 kg/cm2, [KG429] 0/30 kg/cm2, [KG439] 0/40 kg/cm2, [KG459] 0/60 kg/cm2, [KG469] 0/70 kg/cm2, [KG498] 0/100 kg/cm2, [KG514] 0/140 kg/cm2, [KG516] 0/160 kg/cm2, [KG520] 0/200 kg/cm2, [KG525] 0/250 kg/cm2, [KG531] 0/315 kg/cm2, [KG539] 0/400 kg/cm2, [KG559] 0/600 kg/cm2, ￭ kg/cm2 vacuum ￭, [KV259] -0.6/0 kg/cm2, [KV298] -1/0 kg/cm2, [KV316] -1/0.6 kg/cm2, [KV320] -1/1 kg/cm2, [KV325] -1/1.5 kg/cm2, [KV329] -1/2 kg/cm2, [KV339] -1/3 kg/cm2, [KV349] -1/4 kg/cm2, [KV359] -1/5 kg/cm2, [KV378] -1/7 kg/cm2, [KV398] -1/9 kg/cm2, [KV411] -1/10 kg/cm2, [KV416] -1/15 kg/cm2, [KV425] -1/24 kg/cm2, [KV430] -1/30 kg/cm2, ￭ mbar ￭, [MG260] 0/600 mbar, [MG310] 0/1000 mbar, [MG311] 0/1100 mbar, [MG312] 0/1200 mbar, [MG316] 0/1600 mbar, [MG325] 0/2500 mbar, ￭ mbar vacuum ￭, [MV260] -600/0 mbar, [MV310] -1000/0 mbar, [MV311] -1100/0 mbar, [MV312] -1200/0 mbar, [MV316] -1000/600 mbar, [MV320] -1000/1000 mbar, [MV325] -1000/1500 mbar, [MV340] -1000/3000 mbar, ￭ barg ￭, [8G260] 0/0.6 barg, [8G310] 0/1 barg, [8G316] 0/1.6 barg, [8G320] 0/2 barg, [8G325] 0/2.5 barg, [8G340] 0/4 barg, [8G350] 0/5 barg, [8G360] 0/6 barg, [8G370] 0/7 barg, [8G410] 0/10 barg, [8G414] 0/14 barg, [8G416] 0/16 barg, [8G420] 0/20 barg, [8G425] 0/25 barg, [8G430] 0/30 barg, [8G440] 0/40 barg, [8G460] 0/60 barg, [8G470] 0/70 barg, [8G510] 0/100 barg, [8G514] 0/140 barg, [8G516] 0/160 barg, [8G520] 0/200 barg, [8G525] 0/250 barg, [8G532] 0/315 barg, [8G540] 0/400 barg, [8G560] 0/600 barg, ￭ barg vacuum ￭, [8V260] -0.6/0 barg, [8V310] -1/0 barg, [8V316] -1/0.6 barg, [8V320] -1/1 barg, [8V325] -1/1.5 barg, [8V330] -1/2 barg, [8V340] -1/3 barg, [8V350] -1/4 barg, [8V360] -1/5 barg, [8V380] -1/7 barg, [8V410] -1/9 barg, [8V411] -1/10 barg, [8V416] -1/15 barg, [8V425] -1/24 barg, [8V431] -1/30 barg, ￭ psig ￭, [NG269] 0/10 psig, [NG310] 0/15 psig, [NG321] 0/30 psig, [NG341] 0/60 psig, [NG369] 0/100 psig, [NG410] 0/150 psig, [NG411] 0/160 psig, [NG414] 0/200 psig, [NG417] 0/250 psig, [NG421] 0/300 psig, [NG428] 0/400 psig, [NG434] 0/500 psig, [NG441] 0/600 psig, [NG455] 0/800 psig, [NG469] 0/1000 psig, [NG510] 0/1500 psig, [NG514] 0/2000 psig, [NG521] 0/3000 psig, [NG528] 0/4000 psig, [NG534] 0/5000 psig, [NG541] 0/6000 psig, [NG552] 0/7500 psig, ￭ psig / -inHg ￭, [NV251] -15 inHG/0 psig, [NV310] -30 inHG/0 psig, [NV321] -30 inHg/15 psig, [NV331] -30 inHg/30 psig, [NV352] -30 inHg/60 psig, [NV379] -30 inHg/100 psig, [NV412] -30 inHg/160 psig, [NV415] -30 inHg/200 psig, [NV422] -30 inHg/300 psig, ￭ kPag ￭, [4G260] 0/60 kPag, [4G310] 0/100 kPag, [4G316] 0/160 kPag, [4G320] 0/200 kPag, [4G325] 0/250 kPag, [4G330] 0/300 kPag, [4G340] 0/400 kPag, [4G360] 0/600 kPag, [4G370] 0/700 kPag, [4G410] 0/1000 kPag, [4G414] 0/1400 kPag, [4G416] 0/1600 kPag, [4G420] 0/2000 kPag, [4G425] 0/2500 kPag, [4G430] 0/3000 kPag, [4G440] 0/4000 kPag, [4G460] 0/6000 kPag, [4G470] 0/7000 kPag, [4G510] 0/10000 kPag, [4G514] 0/14000 kPag, [4G516] 0/16000 kPag, [4G520] 0/20000 kPag, [4G525] 0/25000 kPag, [4G532] 0/31500 kPag, [4G540] 0/40000 kPag, [4G560] 0/60000 kPag, ￭ kPag vacuum ￭, [4V260] -60/0 kPag, [4V310] -100/0 kPag, [4V316] -100/60 kPag, [4V320] -100/100 kPag, [4V325] -100/150 kPag, [4V330] -100/200 kPag, [4V340] -100/300 kPag, [4V350] -100/400 kPag, [4V360] -100/500 kPag, [4V380] -100/700 kPag, [4V410] -100/900 kPag, [4V411] -100/1000 kPag, [4V416] -100/1500 kPag, [4V425] -100/2400 kPag, [4V431] -100/3000 kPag, ￭ MPag ￭, [3G260] 0/0.06 MPag, [3G310] 0/0.1 MPag, [3G316] 0/0.16 MPag, [3G320] 0/0.2 MPag, [3G325] 0/0.25 MPag, [3G340] 0/0.4 MPag, [3G360] 0/0.6 MPag, [3G370] 0/0.7 MPag, [3G410] 0/1 MPag, [3G414] 0/1.4 MPag, [3G416] 0/1.6 MPag, [3G425] 0/2.5 MPag, [3G430] 0/3 MPag, [3G440] 0/4 MPag, [3G460] 0/6 MPag, [3G470] 0/7 MPag, [3G510] 0/10 MPag, [3G514] 0/14 MPag, [3G516] 0/16 MPag, [3G520] 0/20 MPag, [3G525] 0/25 MPag, [3G532] 0/31.5 MPag, [3G540] 0/40 MPag, [3G560] 0/60 MPag, [3G570] 0/70 MPag, [3G610] 0/100 MPag, [3G614] 0/140 MPag, [3G616] 0/160 MPag, ￭ MPag vacuum ￭, [3V260] -0.06/0 MPag, [3V310] -0.1/0 MPag, [3V316] -0.1/0.06 MPag, [3V320] -0.1/0.1 MPag, [3V325] -0.1/0.15 MPag, [3V330] -0.1/0.2 MPag, [3V340] -0.1/0.3 MPag, [3V350] -0.1/0.4 MPag, [3V360] -0.1/0.5 MPag, [3V380] -0.1/0.7 MPag, [3V410] -0.1/0.9 MPag, [3V411] -0.1/1 MPag, [3V416] -0.1/1.5 MPag, [3V425] -0.1/2.4 MPag, [3V431] -0.1/3 MPag, ￭ kg/cm2g ￭, [AG259] 0/0.6 kg/cm2g, [AG298] 0/1 kg/cm2g, [AG316] 0/1.6 kg/cm2g, [AG320] 0/2 kg/cm2g, [AG325] 0/2.5 kg/cm2g, [AG339] 0/4 kg/cm2g, [AG349] 0/5 kg/cm2g, [AG359] 0/6 kg/cm2g, [AG369] 0/7 kg/cm2g, [AG398] 0/10 kg/cm2g, [AG414] 0/14 kg/cm2g, [AG416] 0/16 kg/cm2g, [AG420] 0/20 kg/cm2g, [AG425] 0/25 kg/cm2g, [AG429] 0/30 kg/cm2g, [AG439] 0/40 kg/cm2g, [AG459] 0/60 kg/cm2g, [AG469] 0/70 kg/cm2g, [AG498] 0/100 kg/cm2g, [AG514] 0/140 kg/cm2g, [AG516] 0/160 kg/cm2g, [AG520] 0/200 kg/cm2g, [AG525] 0/250 kg/cm2g, [AG531] 0/315 kg/cm2g, [AG539] 0/400 kg/cm2g, [AG559] 0/600 kg/cm2g, ￭ kg/cm2g vacuum ￭, [AV259] -0.6/0 kg/cm2g, [AV298] -1/0 kg/cm2g, [AV316] -1/0.6 kg/cm2g, [AV320] -1/1 kg/cm2g, [AV325] -1/1.5 kg/cm2g, [AV329] -1/2 kg/cm2g, [AV339] -1/3 kg/cm2g, [AV349] -1/4 kg/cm2g, [AV359] -1/5 kg/cm2g, [AV378] -1/7 kg/cm2g, [AV398] -1/9 kg/cm2g, [AV411] -1/10 kg/cm2g, [AV416] -1/15 kg/cm2g, [AV425] -1/24 kg/cm2g, [AV430] -1/30 kg/cm2g, ￭ kgf/cm2 ￭, [IG259] 0...0,6 kgf/cm2, [IG298] 0...1 kgf/cm2, [IG316] 0...1,6 kgf/cm2, [IG320] 0...2 kgf/cm2, [IG325] 0...2,5 kgf/cm2, [IG339] 0...4 kgf/cm2, [IG359] 0...6 kgf/cm2, [IG369] 0...7 kgf/cm2, [IG398] 0...10 kgf/cm2, [IG414] 0...14 kgf/cm2, [IG416] 0...16 kgf/cm2, [IG420] 0...20 kgf/cm2, [IG425] 0...25 kgf/cm2, [IG429] 0...30 kgf/cm2, [IG439] 0...40 kgf/cm2, [IG459] 0...60 kgf/cm2, [IG469] 0...70 kgf/cm2, [IG498] 0...100 kgf/cm2, [IG514] 0...140 kgf/cm2, [IG516] 0...160 kgf/cm2, [IG520] 0...200 kgf/cm2, [IG525] 0...250 kgf/cm2, [IG531] 0...315 kgf/cm2, [IG539] 0...400 kgf/cm2, [IG559] 0...600 kgf/cm2, ￭ kgf/cm2 vacuum ￭, [IV416] -1...+15 kgf/cm2, [IV425] -1...+24 kgf/cm2, [IV430] -1...+30 kgf/cm2, [IV259] -0,6 kgf/cm2, [IV298] -1 kgf/cm2, [IV316] -1/+0,6 kgf/cm2, [IV320] -1/+1 kgf/cm2, [IV325] -1/+1,5 kgf/cm2, [IV329] -1...+2 kgf/cm2, [IV339] -1...+3 kgf/cm2, [IV349] -1...+4 kgf/cm2, [IV359] -1...+5 kgf/cm2, [IV378] -1...+7 kgf/cm2, [IV398] -1...+9 kgf/cm2, [IV411] -1...+10 kgf/cm2 |
| 2nd Scale | [Z] Without, [B] bar, [P] psi, [L] kPa, [E] MPa, [K] kg/cm2, [M] mbar, [8] barg, [N] psig, [4] kPag, [3] MPag, [A] kg/cm2g, [Y] mH2O, [5] mmHg, [7] inH2O, [Q] inHg, [2] mmH2O, [J] oz/in2, [I] kgf/cm2 |
| Process Connection | [GD] G 1/2 B, [ND] 1/2 NPT, [GB] G 1/4 B, [GC] G 3/8 B, [NB] 1/4 NPT, [MI] M20 x 1.5 |
| Connector Location | [U] Lower Mount, [3] Lower Back Mount |
| Mounting Flange / Bracket | [Z] Without, [C] Rear Flange, Stainless Steel, [M] Front Flange, Stainless Steel, [F] Front Flange, Polished SS (Standard), [K] Panel Mount With Stainless Steel U-Clamp |
| Window | [G] Flat Instrument Glass, [H] Laminated Safety Glass, [E] Polycarbonate, [D] Acrylic, Green Tinted |
| Restrictor | [Z] Without, [N] Brass, D 0.6, [L] Brass, D 0.3 |
| Pointer | [G] Knife-Edge Pointer, [K] Adjustable Knife-Edge Pointer |
| Set / Drag Pointer | [Z] Without, [A] Red Mark Pointer on Dial, [R] Externally Adjustable Red Set Pointer on Window |
| Dial Specials | [ZZ-ZZZZ3A] Without, [SZ-ZZZZ3A] Mirror-Scale |
| Accuracy Class | [K] ± .5% (ASME B40.100 2A), [N] ± .25% (ASME B40.100 Grade 3A) |
| Pressure Element Material | [1] Copper Alloy, [3] Stainless Steel |
| Case Surface | [D] Bare, [6] Bare Case / Polished Ring |
| Case Type | [V] Without Blow-Out Disc on Top, [T] Blow-Out Disc Back |
| Permissible Medium Temp | [1] Standard -20...100°C, Intrinsically Safe Version only -20... +60°C, [Y] +100 °C |
| Color for Inner Scale | [ZZZZZZ22] Without, [CZZZZZ22] Red, [AZZZZZ22] Black |
| Stop Pin on Dial | [ZZ] Without, [2Z] at 6 o'clock |
| Nominal Size | 6" |
| Special Design Features | [Z] Without |
| Certificates | [Z] Without |
| Approvals | [Z] Without |
| Additional Ordering Info | [ZZ3A] Without |
| Overpressure Safety | [33] 1.3 x Full Scale Value |
| Process Connection Material | [1] Copper Alloy |
| Permissible Ambient Temp | [W1G-U] -40 ... +60 °C |
| Thread Protection | [1] With Thread Protection |
| Packing | [G] Packed w/Improved Shock Resistance |
| Pressure Gauge Standard | [U] US-Standard |
| Logo Options | [ZZZZZ] Without |
| Manufacturer Logo | [2] *WIKA®* |
| Serial Number | [2] With Serial Number |
| Text for Dial | [Z] Without |
| Gauge Features | |
|---|---|
| Gauge: Brand | Wika |
| Gauge: Type | Dial Indicating Gauge |
| Gauge: Model | 312.20 |
| Gauge: Dial Size | 6 in (160 mm) |
| Gauge: Scale Range | ≥ 10 psi (0.6 bar) to ≤ 15,000 psi (1,000 bar) |
| Gauge: Pressure Type | Gauge Pressure |
| Gauge: Measuring Principle | Bourdon Tube |
| Gauge: Fill Type | Dry |
| Gauge: Product Unit of Measure | psi / inHg, bar, kPa, MPa, kg/cm2, mbar, barg, psig, kg/cm2g, mH2O, mmHg, inH2O, mmH2O, oz/in2, kgf/cm2, kPag, MPag |
| Gauge: Process Connection Size | 1/2 NPT, G 1/2 B, M20 x 1.5, 1/4 NPT, G 1/4 B, G 3/8 B |
| Gauge: Process Connection Location | Lower Mount, Lower Back Mount |
| Gauge: Wetted Material | Copper Alloy (Brass) |
| Gauge: Accuracy | ±0.25%, ±0.5% |
| Gauge: Case Material | Stainless Steel |
| Gauge: Window | Polycarbonate, Laminated Safety Glass, Flat Instrument Glass, Acrylic, Green Tinted |
| Gauge: Dial Material | Aluminum |
| Gauge: Pointer Material | Aluminum |
| Gauge: Window Ring | Bayonet Ring |
| Gauge: Pointer Type | Adjustable |