Specifications

MODEL 370 REV: D Page 6 of 26
1 – Plug in Calibration Module
A/R – Detector Assemblies Ordered Separately
2.2 Instrument Identification
The instrument’s model and serial numbers are on a label on the rear panel. The
instrument history is maintained in a serial number file at UDT Instruments.
2.3 Input Power Requirements
The instrument operates on 90-132VAC or 180-264VAC 47-440Hz, 10VA
nominal.
Line voltage is selected by a switch on the rear panel power supply circuit board.
The instrument is fused at 1/8 AMP for 1154VAC, 1/16 AMP for 230VAC.
Verify proper line voltage and fuse rating prior to operating the instrument.
2.4 Packaging for Shipment
The carrying case supplied with the instrument is intended to be used as a shipping,
carrying, and storage case. It is recommended that this case be used when returning
the instrument for repair and recalibration.
3.0 OPERATION
This section describes the switch functions and basic operation of the Model 370.
Stand alone operation and use of the IEEE-488 interface is described. For an
introduction to measurements see the “User’s Guide”.
3.1 Front Panel Controls
3.1.1 Power
Turns on the instrument. The display shows the message “UDT
Instruments Model S370”
3.1.2 The following touch sensitive switches perform:
Halt Instrument Function
Display Status of Indicated Channel
Item being Changed is underlined
Autorange/Manual: Changes the range control from auto to
manual range or manual range to auto range. When in manual range
the gain may be changed by pressing the up/down keys.
Function: Allows selection of measurement type, the first push
displays the present status, additional pushes change the function
selected to the next one.
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