Lightweight and ruggedly constructed for years of field use
Units feature easy to read digital instrumentation and clean, efficient controls
Simple set-up and operation
Testing Applications: Designed primarily for vacuum interrupter testing; however, unit can be used for testing breakers, switchgear and many other apparatus
Safety and Design Features:
High voltage On/Off pushbuttons with indicator
Zero Start interlock
Slow and fast-acting transient protection on all meters and relays
Digital metering
Output overload indicator with reset switch
All interconnect control, power, and output cables are included
Cable storage provision
Operation/maintenance manual
Model 640-0.4P:
1-piece design
Manual control of output voltage
Emergency Off pushbutton
Guard mode for accurate current measurements
Adjustable overload circuit
Model 660-10P:
2-piece design
External interlock provision
Automated control of output
voltage with selectable rate of rise
Digital timer
Memory feature in output voltmeter to record breakdown voltage
Input:
Voltage/Current:
640-0.4P: 110-120V, 5A; 220-240V, 3A
660-10P: 110-120V, 6A; 220-240V, 3A
Frequency: 50/60Hz
Output:
Voltage/Current:
640-0.4P: ≈ 0-40 kV, 10 mA
660-10P: ≈ 0-60 kV, 10 mA
Duty Cycle:
640-0.4P:
120V input: 20 min ON/30 min OFF @ 10 mA
220V input: 15 min ON/45 min OFF @ 10 mA
660-10P: 5 min ON/15 min OFF @ 10 mA
Digital Metering:
Metering Accuracy:
640-0.4P: 0.8% Reading +0.2% Full Scale
660-10P: 0.8% Reading +0.2% Full Scale
Voltmeter Ranges:
640-0.4P: 0-40 kV
660-10P: 0-60 kV
Currentmeter Ranges:
640-0.4P: 0-10 mA
660-10P: 0-10 mA
Please feel free to contact for detailed specifications, accessories, software and options.