| Model Chart |
| Model |
Features |
| Error limit 0.2% FS for gage, underpressure and differential pressure |
| HM28D3B10000 |
0 to 10 in w.c. (2.5 kPa) |
| HM28D3C10000 |
0 to 28 in w.c. (7 kPa) |
| HM28D3F10000 |
0 to 120 in w.c. (30 kPa) |
| For absolute pressure |
| HM28A3I10000 |
0 to 15.9 psia (0.2% FS (110 kPa abs)) |
| Note: |
Consult factory for 0.10% models. |
| Service |
Air and compatible gases. |
| Accuracy |
Per order code. ±0.20% FS ±1 digit; ±0.10% FS ±1 digit; ±0.05% FS ±1 digit. |
| Wetted Materials |
18/8 stainless steel. |
| Temperature Limits |
23 to 122°F (-5 to 50°C). |
| Storage Temperature |
-4 to 140°F (-20 to 60°C). |
| Humidity |
30 to 95% rH, non-condensing. |
| Display |
2 line, 16 character, dot matrix LCD, with switchable display sizes. |
| Power Requirements |
9 V alkaline battery, installed functional, user replaceable. Can operate from external power supply of 7 to 14 VDC. |
| Current Consumption |
< 9 mA. |
| Memory |
964 measured values. Recording intervals adjustable from manual, 1, 5, 10, 20, 30 seconds, 1, 2, 3, 5, 10, 30, 60 minutes. |
| Case Protection |
IP54 (NEMA 3). |
| Case Dimensions |
6" x 3.27" x 1.34" (152 x 83 x 34 mm). |
| Weight |
9.5 oz (270 g). |
| Process Connections |
Hose; 4/6mm or 1/8" NPT. |
| Maximum Measurement Rates |
Stand alone: 2-1/2 readings/s (0.1% and 0.05% ratings), 5 readings/s (0.2% rating). Output to RS-232: 20 measurements/s (0.2% rating). 10 measurements/s (0.1% and 0.05% ratings). |
| RS-232 Baud Rate |
Adjustable, 1200, 2400, 4800, or 9600 baud. |
| Agency Approvals |
CE. |