Thiết bị đo tỉ số biến TTR 771
SPECIFICATIONS
Model TTR 771 Transformer Turns Ratio Test Set
Product Features:
Test range wide, the highest can reach up to 10000.
Accurately measures ratio, phase deviation and exciting current
highest accuracy can up to 0.1%
Suitable for single phase, three phase and Z-shaped connection transformer.
Fast test speed, completion TTR test of three-phase transformer within 11 seconds.
Blind test for turns ratio and groups.
8 output terminals, including neutral point
Data display, storage and output
LED display test procedure and data.
Data printing
480 groups of data storage
RS485 for PC remotely controlling the
instrument
USB port for exporting the test data to U
disk
Protection
Wrong connecting protection for High-voltage terminals and low-voltage terminals.
Wrong connecting protection for 380V input power supply
Short Circuit protection for both transformer and its turn-to-turn.
Small size, light weight.
Thiết bị đo tỉ số biến TTR 771
Technical Specifications:
Range & Accuracy
Sampling Voltage |
AC160V |
AC10V |
||
Range |
0.9-100000 |
0.9-200 |
||
Accuracy |
<500 |
±0.1% |
≤200 |
±0.3% |
500-3000 |
±0.2% |
|||
>3000 |
±0.5% |
resolution: minimum 0.0001
power supply: AC220V ± 10% ,50/60 ±1HZ
the use of temperature: -20 ° C to 40 ° C APT○ r
relative humidity: ≤ 80%, no dew
Exterior size :320mm×275mm×140mm (instrument),
395mm×240mm×250mm(test leads)
Net Weight: 4.5 Kg( instrument), 6 Kg(test leads)