AC Voltage Detectors Megger - VF1 and VF2

• Enables resistance measurement on circuit breakers
• Small and light weight
• A number of operations can be run with short waiting intervals

 

• Preprogrammed test sequences for reclosers and sectionalizers
• High-capacity outputs to test virtually all reclosers
• Accurate duplication of high-voltage test results
• Simple operation and precise test results
• Simplified adjustment of test current

 

• Direct 2-channel digital reading (1 µO to 2000 O)
• DC test current up to 10 A maximum
• 0.25% measurement accuracy
• Integrated demagnetization feature
• Tests operation of on-load tap-changers
• Very fast auto safety discharge circuit

 

• up to 10A current
• Accurate results in under three seconds
• Auto current reversal cancels standing emfs
• Fuse protected to 600 V
• NiMH battery reduces weight
• 250 mW power limit (with optional override) to avoid heating the test sample

 

• TDR20000/2P can perform single or dual channel measurements on a wide range of metallic cables
• dead or Live cables to CATIII 300V Phase to earth or 415V phase to phase can be tested.

 

• Non-contact detection of AC voltage
• Automatic audible warning buzzer
• Bright red voltage indicator in tip
• Ultra bright LED torch

 

• Digital signal processing technology
• Variable firing angle and pulse duration
• Modular, portable design
• Complies with NEMA AB-4 Test Guidelines

 

• Two and three wire non-trip loop testing for RCD protected circuits
• Type-B RCD and 3-phase RCD testing for industrial applications with no Earth
• 3-terminal earth test and stakeless testing for earth electrode resistance measurement **
• Internal memory and Bluetooth® communications

 

• Display with high contrast for good readability by day and night
• Current direction indication for clear cable identification
• Transmitter with two output signals to distinguish between cables lying side by side
• IP 65 for wet, dusty, and dirty working environments
• 100 freely adjustable transmitter frequencies (from 50 Hz to 200 kHz)

 

• Model DDA-1 Digital Data Acquisition Instrumentation and Control System
• High-current output: 60,000 A for Model DDA-6000; 35,000 A for Model DDA-3000
• Digital signal processing (DSP) technology
• Variable pulse time and firing angle output current control
• Compliant with NEMA AB-4 test guidelines