Models 947, 948 and 960 Leak Detectors Operations and Service Manual
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Factory Calibration Data
Model Number:
Date:
Serial Number:
Initials:
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:
VDC
Emission Current:
mA
Fixed Focus Voltage:
VDC
Repeller Voltage:
VDC
Filament Bias Voltage:
VDC
Variable Focus Voltage:
VDC
Suppressor Voltage:
VDC
Offset Index:
Gain:
Mechanical Pump Model:
cfm
VAC
Hz
List of Options or Accessories Included with System
Summary of Contents for 948
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