| Lowest detectable helium concentration |
2 parts per million |
| Smallest detectable leak |
5 × 10-6 atm-cc/sec, 5 × 10-6 mbar-l/sec, 5 × 10-7 Pa-m3/sec |
| Response time |
<2 seconds |
| Recovery time (from 50 to 0 ppm) |
<10 seconds |
| Start-up time, including self-check |
3 minutes (approximate) |
| Power requirements |
12 VDC from battery pack, car battery, or transformer |
| Transformer power supply |
110-240V 50-60 Hz |
| Sealed, detachable battery pack |
4 hours of operation with full charge |
| Ambient storage temperature |
-20 to +60 °C (4 to 140 °F) |
| Ambient operating temperature |
-5 to +35 °C (20 to 95 °F) |
| Maximum relative humidity |
90% |
| Weight, basic module with battery |
5.7 lbs (2.6 kg) |
| Background suppression (zeroing) & turning |
Automatic |