- High quality, heavy-duty liquid filled gauge
- Vacuum and compound ranges through 0 psi to 15,000 psi
- 2-1/2″ and 4″ gauge sizes
- Die cast Brass case with natural Brass finish
- Copper alloy or 316 Stainless Seel and Brass wetted parts
- Ideal for applications including automotive, construction, hydraulics & pneumatics, mining, stamping & forming presses and transportation
Specification
| SERIES | SPECIFICATIONS | |
| Pressure ranges | 300 Series (all) | Vacuum and compound ranges through 0 psi to 15,000 psi |
| Accuracy | 25-300, 25-310 | ±1.6% full scale |
| 40-300, 40-310 | ±1% full scale | |
| Temperature ranges* | 300 Series (all) | Media -4 °F to 140 °F (-20 °C to 60 °C) Ambient 0 °F to 160 °F (-18 °C to 71 °C) Optional temperature ratings available from -40 °F to 212 °F (-40 °C to 100 °C) |
| Measuring element | 25-300, 25-310 (≤ 600 psi) |
Copper alloy “C” tube |
| 25-300, 25-310 (800 psi to 6,000 psi) |
Copper alloy coiled safety tube | |
| 25-300, 25-310 (7,500 psi to 15,000 psi) |
316 stainless steel coiled safety tube | |
| 40-300, 40-310 (≤ 1,000 psi) |
Copper alloy “C” tube | |
| 40-300, 40-310 (15,000 psi) |
316 stainless steel coiled safety tube | |
| Connection | 25-300, 25-310 | 1/4″ NPT die-cast brass with the case. 7/16″ – 20 SAE adjustable type straight thread with FKM O-ring is also available as a stock option on many ranges (-4 SAE). |
| 40-300, 40-310 | 1/4″ NPT die-cast brass with the case. 1/2″ NPT is available on certain 40-300 ranges as a stock option, and on all other 40-300 and 40-310’s as a non-stock option. | |
| Case | 300 Series (all) | Die cast brass (natural brass finish) with safety relief plug |
| Cover ring | 300 Series (all) | Polished brass |
| Lens | 300 Series (all) | Acrylic with o-ring seal |
| Pointer | 300 Series (all) | Balanced aluminum, black finish |
| Dial | 300 Series (all) | Aluminum, white background with black scale. UV resistant. |
| Movement | 300 Series (all) | Brass and nickel-silver with highly polished bearing surfaces |
| Fill liquid | 300 Series (all) | Glycerin |
