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With an accuracy of ±0.5%, Grade 2A, plus rugged stainless steel construction, the Ashcroft® Type 1084 more than exceeds the requirements for on-the-spot inspections. To improve accuracy, stability, and socket thread life, the Bourdon tube and socket assembly is made of type 316 stainless steel with allwelded construction; this system is standard for all ranges. To make reading easier and faster, each unit is provided with a new, highly readable dial. Reading error caused by parallax is eliminated by aligning the knife-edge tip pointer with its reflection in the mirror band on the dial. Also available is an optional stainless steel cover that fits securely over the window and protects the gauge from damage while being carried in a tool box or pocket. An attractive, cushioned Nylon fabric pouch with carrying strap is offered as standard equipment.
| Case | Polished Stainless Steel |
| Dial | Zero adjustable, aluminum, white background with black numerals, with polished mirror band |
| Pointer | Black painted aluminum with red painted knife edge tip |
| Movement | Stainless steel with Teflon "S" coating bearing and pinion |
| Bourdon Tube Material | Stainless steel |
| Accuracy | ±0.5%/ASME B40.1, Grade 2A. |
| Connection | 1/4" NPT, lower only |
Ashcroft 1084 Standard Ranges:
| Pressure PSI | kg/cm² - bar | kPa |
| 0/15 0/30 0/60 0/100 0/150 0/200 0/300 0/400 0/600 0/1000 | 0/1 0/2 0/3 0/4 0/7 0/11 0/14 0/20 0/28 0/40 0/70 | 0/100 |
| Vacuum 30 in.Hg/0 | -1/0 | -100/0 |
| Compound 30 in.Hg/15 psi 30 in.Hg/30 psi 30 in.Hg/60 psi 30 in.Hg/100 psi 30 in.Hg/150 psi 30 in.Hg/300 psi | -1/1 -1/3 -1/6 -1/1 | -100/100 -100/300 -100/600 -100/1000 |
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