| Dial |
2.5” (63mm), 4” (100mm), 6” (150mm): White aluminum |
| Case |
2.5” (63mm): Plastic, colour coded, blue for low pressure and red for high pressure,
4” (100mm), 6” (150mm): Steel, painted black
|
| Lens |
2.5” (63mm): Plexiglass, threaded
4” (100mm), 6” (150mm): Glass
|
| Ring |
2.5” (63mm): SS, crimped,
4” (100mm): Brass, polished,
6” (150mm): Steel, painted black
|
| Connection |
1/8” NPT or 1/4” NPT standard |
| Restrictor Screw |
Standard |
| Recalibrator Screw |
Standard |
| Bourdon Tube |
2.5” (63mm): Phosphor bronze, vibration free (flutterless movement)
4” (100mm), 6” (150mm): Phosphor bronze
|
| Pointer |
Aluminum, anodized black |
| Welding |
#50 tin solder |
| Over-Pressure Limit |
25% of full scale value |
| Scale |
psi/°F (R-12/R-22/R-502) |
| Working Pressure |
Maximum 75% of full scale value |
| Ambient/Process Temperature |
-40°F to 158°F (-40°C to 70°C) |
| Accuracy |
2.5” (63mm): ±2% of full scale
4” (100mm), 6” (150mm): ±1% ANSI/ASME Grade 1A
|
| Enclosure Rating |
IP52 |
