| Sensitivity ranges in atmospheric-cc/sec helium |
| Std. sensitivity, 1 pri. pump | 10-4 thru 10-9 |
| Std. sensitivity, 2 pri. pumps | 10-1 thru 10-9 |
| High sensitivity, 1 pri. pump | 10-5 thru 10-10 |
| High sensitivity, 2 pri. pumps | 10-2 thru 10-10 |
| Minimum detectable leak at 1000 ppm ambient helium |
| Std. sensitivity | 5 x 10-10 atm-cc/sec helium |
| High senstivity | 5 x 10-11 atm-cc/sec helium |
| Maximum test-port pressure |
| 1 primary pump | 5 torr |
| 2 primary pumps | 760 torr |
| Test-port connector | NW-25 KF flange (adapter to 1-1/8 in. compression fitting available) |
| Leak rate indication | 50-segment log or linear LED bar graph plus numeric readout on screen |
| Leak rate units displayed | atm-cc/sec, mbar-l/sec, torr-l/sec, Pa-m³/sec |
| Test-cycle control | Automatic |
| Calibration routine | Automatic or manual |
| Background suppression (zeroing) | Automatic and Auto-Zero < Zero |
| Changing ranges | Automatic |
| Protection from air-inrush and power failure | Automatic |
| Audio signal | Both threshold and volume can be controlled |
| Remote analog leak-rate output | Phone jack, 0 to 5 VDC |
| Recommended ambient operating temperature |
| With rotary-vane pump(s) | 12 to 40°C |
| With dry scroll pump(s) | 5 to 40°C |
| Power requirements | 115 V, 50 Hz | 115 V, 60 Hz | 230 V, 50/60 Hz (20 amps) |
| Weight (base unit only) |
22.7 kgs (50 lbs)
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