Comparison ledger
OGP 0020 Contour Projector, Varian 979 Leak Detector, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 979 Leak DetectorVarian | |
|---|---|---|
| OEM | OGP | Varian |
| Category | Precision Optics | Precision Optics |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | OGP (Optical Gaging Products) 0020 Contour Projector | Varian 979 Leak Detector |
| Specifications | ||
| Configuration | 50-60 Cycle[1] | — |
| Voltage | 115 V[1] | — |
| OEM | OGP (Optical Gaging Products)[2] | — |
| Model | 0020[2] | — |
| Equipment type | Contour Projector[2] | — |
| Category | Precision Optics[1] | — |
| Product type | — | Helium mass spectrometer leak detector[3] |
| Operating modes | — | Evacuation mode and sniffing mode[4] |
| Minimum detectable leak, standard sensitivity | — | 5 x 10-10 atm-cc/sec[4] |
| Minimum detectable leak, high sensitivity | — | 5 x 10-11 atm-cc/sec[4] |
| Configuration options | — | Bench/mount unit or single or dual mechanically pumped leak testing station on a cart[4] |
| Calibration | — | Fully automated tuning and calibration using the internal or external calibrated leak[5] |
| Leak indication | — | 50-segment bar graph indicator with alphanumeric LCD display[5] |
| Remote I/O | — | DB-37S interface with optically isolated 5-24 VDC outputs and inputs, non-isolated RS-232, non-isolated analog output 0-10 V, and non-isolated DB-9S remote control interface[5] |
| Cycle time | — | Blanked port can be cycled to the fine leak test in 4 seconds[5] |
| Test port | — | NW25; 118 inch (28 mm) ID compression port available as an accessory[5] |
| Power requirements | — | 100 VAC 20 A 50 Hz, 115 VAC 20 A 60 Hz, or 230 VAC 20 A 50/60 Hz[5] |
| Weight | — | 50 lb (23 kg) net stand-alone bench-mount unit; 180 lb (82 kg) net wet 1-pump version; 243 lb (111 kg) net wet 2-pump version[5] |
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