Megger TTR25 Transformer Turns Ratio Meter, Excitation Current, Polarity

• fully automatic 12 kV insulation power factor / dissipation factor (tan delta) test set
• Voltage: 25 V to 12 kV, 1 V resolution
• Current : 0 to 5 Amps, 0.1 µA maximum resolution
• Capacitance: 0 to 100 µF, 0.01 pF maximum resolution
• Inductance: 6 H to 10 MH, 0.1 mH maximum resolution
• Power factor PF : 0-100% (0-1), 0.001% maximum resolution
• Dissipation factor DF : 0-100 (0-10,000%), 0.001% maximum resolution
• Watt Loss: 0 to 2 kW
• Automatic and manual operation
• Accurate and repeatable measurement results with high noise suppression
• Lightweight, rugged two-piece design

 

• Reliable testing of IEC61850 relays using a conventional relay test set
• Separate Ethernet ports for the substation LAN and the controlling PC forming a Safe Substation Bus Access Point
• Seamless interaction between SCL GOOSE and GOOSE "sniffing"
• GOOSE merge - SCL GOOSE vs captured GOOSE for network troubleshooting and SCD file validation at FAT
• Stand alone functionality - Download a configuration and run

 

• Provides reliable and accurate test results in noisy high voltage substations
• Four standard models. Full stand-alone functionality or data acquisition models without user interface.
• Fast and safer with DualGround™ testing, both sides of breaker grounded
• On-screen assistance with connection diagrams and test template Wizard
• All models can be controlled via computer

 

• Reliable results in noisy substations
• Accurate testing with RE>Act™
• Remote control for safer, easier testing
• PI Predictor™ cuts test time in half
• Full diagnostic suite with PDC capability

 

• High or low output power selection for condition diagnosis
• Rechargeable battery or line power supply, continuous operation, even with dead battery
• 10 A for 60 seconds, less time waiting to cool, great for charging inductance
• High input protection to 600 V, inadvertent connection to line or UPS voltage will not blow a fuse
• Heavy duty case: IP 65 lid closed, IP54 operational (battery operation only)
• Rotary switch selects one of five test modes, including auto start on connection, giving ease of use

 

• Suitable for testing timing and travel on all circuit breakers with single interrupter per phase
• Extremely easy-to-use and reliable
• Two separate timing channels for measurement of auxiliary contacts
• Analog measurement channels for travel transducers or general voltage/current measurements
• Static and dynamic resistance measurements along with the SDRM201 accessory

 

• DC and AC current up to 1500 A
• True RMS measurement for greater accuracy
• Large jaw size safely assists with uninsulated conductor measurements
• 750 Vac and 1000 Vdc

 

• Full autoranging for measuring the length of power, telephony, CATV and LAN cables, provides distance to an open or short.
• Extra large, high resolution backlit LCD.
• Automatic output impedance control of 25, 50, 75, 100, 125 or 150 ohms.
• User-friendly menu on screen operation.
• Cable length calibration function.
• Internal library of 39 standard cable types.

 

• Simple tick or cross, pass or fail indication plus measurement
• Tough, rubber armoured with built-in front cover, hardened, scratch-proof display window
• Includes 250 V insulation and leakage testing for safe IT testing and surge protected devices
• Testing portable and fixed electrical equipment
• 10 mA and 30 mA portable RCD lead testing (PAT150)
• Adjustable PASS test limits (PAT150)
• Substitute and mains powered leakage testing (PAT150)

 

• Reliable and stable a.c. and d.c. power supply for circuit breaker testing
• Continuously variable 24-250 V AC or DC output
• Separate outputs for close coil, trip coil and spring charging motor voltage
• Direct triggering for minimum trip voltage testing