| Service | Air and compatible combustible gases |
| Wetted Materials | Contact Customer Service at (888) 886-8186 |
| Accuracy | +/- 0.5% FS, 60 to 78 F; +/- 1.5% FS from 32 to 60 F and 78 to 104 F |
| Pressure Hysteresis | +/- 0.1% FS |
| Range | 0 - 4.000 Inches of Water |
| Maximum Pressure | 5 psig |
| Temperature Limits | 0 to 140 F |
| Compensated Temperature Limits | 32 to 104 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) ID tubing. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) OD tubing for 475-7 & 475-8 only |
| Standards | CE and FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70 C |
| Digital | Yes |
| Downloads | |