Models 947, 948 and 960 Leak Detectors Operations and Service Manual
Factory Calibration Data
Model Number:
Serial Number:
Your Varian 947/948/960 leak detector has been thoroughly tested prior to shipment. It is shipped
tuned to helium on Filament No. 1. Normally, once set, the tuning adjustments are left untouched
and calibration may be verified as required.
The data recorded below includes readings taken during the final test prior to shipment. They are
convenient for reference purposes if tuning adjustments are altered. Slight changes may occur when
using Filament No. 2 or after an ion source is replaced.
Ion Chamber Voltage:
Emission Current:
Fixed Focus Voltage:
Repeller Voltage:
Filament Bias Voltage:
Variable Focus Voltage:
Suppressor Voltage:
Offset Index:
Gain:
Mechanical Pump Model:
List of Options or Accessories Included with System
Date:
Initials:
VDC
mA
VDC
VDC
VDC
VDC
VDC
cfm
VAC
Hz
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