Máy đo tỷ số máy biến áp MEGABRAS TR8703
Ratio Range (VT/PT)
Auto range: 0.8000 to 8000:1.
Accuracy (VT/PT)
Data / Time
Battery-backed, Real-time clock.
Comunication
USB. 2.0 compliant, optically isolated, 115.2 kB.
Software
Analysis software included.
Connections
XLR connectors.
Leads
15 ft (4.6 m) H & X shielded with large color-coded industrial alligator clips in carrying bag.
Enclosure
Heavy duty polypropylene case, UL 94 V0.
Vibration
IEC 68-2-6 (1,5 mm to 55 Hz).
Shock
IEC 68-2-27 (30 G).
Drop
IEC 68-2-32 (1 m).
Index of protection
IP40 (instrument lid open) per EN 60529: IP53 (Instrument lid closed) per EN 60529.
Operating temperature
-10ºC to 50ºC.
Storage temperature
-20ºC to 60ºC.
Relative humidity
10 to 85% RH @ 35ºC.
CE Mark
Ratio Range
0.8000 to 9.9999
10.000 to 999.99
1000.0 to 4999.9
5000.0 to 8000.0 |
Accuracy (% of reading)
± 0.2%
± 0.1%
± 0.2%
± 0.25% |
Ratio Range (CT)
Auto range: 0.8000 to 1000.0.
Accuracy (CT)
Ratio Range
0.8000 to 1000.0 |
Accuracy (% of reading)
± 0.5% |
Excitation signal
VT/PT Mode: 32 Vrms max.
CT Mode: Auto Level 0 to 1 A, 0.1 to 4.5 Vrms.
Excitation current display
Range: 0 to 1000 mA; Accuracy: ± (2 % of reading + 2 mA).
Excitation frequency
70 Hz.
Display
Dual line alpha-numeric LCD, 16x2 characters with contrast adjustment and backlight control. Day/night visible.
Languages
English, Spanish, French, Italian, German, Portuguese.
Measurement Method
In accordance with IEEE Std C57.12.90™-2006.
Power supply
Two 12 V, 5x2, 1650 mAh NiMH rechargeable battery packs.
Battery life
Up to 10 hrs of continuous operation. Low battery indication.
Battery charger
Universal input (90 to 264 Vrms input) smart recharger.
Charging time
< 4 hours for full charge.
Data storage
99 objects with 99 tests each.