| Service | Air and compatible gases |
| Wetted Materials | Contact Customer Service at (888) 886-8186 |
| Accuracy | +/- 0.10% of full scale from 60 to 78 F; +\- 1% of full scale from 32 to 60 and 78 to 104 F |
| Pressure Hysteresis | +/- 0.1% FS |
| Range | 0 - 40.00 Inches of Water |
| Maximum Pressure | 3 psig |
| Temperature Limits | 0 to 140 F |
| Storage Temperature Limits | -4 to 176 F |
| Display | 4-Digit LCD, 0.42" High |
| Power Requirements | 9V Alkaline Battery |
| Connections | Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing for 477B-1, 477B-2, 477B-3, 477B-4 and 477B-5 only. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing for 477B-6 and 477B-7 only |
| Standards | CE |
| Digital | Yes |
| Downloads | |