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446 Thiết bị hiệu chuẩn áp suất GE Druck DPI 822
| GE Druck DPI 822-HD General Specifications | |
| Measure and source T/C | K,J,T,B,R,S,E,N,L,U,C,D |
| Operating Temperature | 14°F to 122°F (-10°C to 50°C) |
| Storage Temperature | -4°F to 158°F (-20°C to 70°C) |
| Humidity | 0% to 90% non-condensing, Def Stan 66-31, 8.6 Cat III |
| Shock and Vibration | BS EN61010:2001, Def Stan 66-31, 8.4 Cat III |
| EMC | BS EN61326-1:1998 + A2:2001 |
| Safety | Electrical BS EN61010:2001, CE marked |
| Display | Graphic LCD with backlight. Resolution 99999 |
| Size and Weight | 7.1 in x 3.3 in x 2 in (180 mm x 85 mm x 50 mm), 14 oz (400 g) |
| Batteries | 3 AA alkaline, >70 hours measure, >10 hours 24 mA source (24V @ 12 mA) |
| Measure | Accuracy |
| 0 to 55.000 mA | 0.02% reading + 3 counts |
| Temperature coefficient | 14°F to 50°F, 86°F to 122°F; 0.0011% FS/°F (-10°C to 10°C, 30°C to 50°C; 0.002% FS/°C) |
| Switch detection | Open and closed. 2 mA current |
| Loop power output | 24V ±10% (35 mA maximum) |
| HART mA loop resistor | 250 Ω (menu selection) |
| Electrical connectors | 4 mm sockets |
