进口热绕组欧姆表 原装瑞典Friborg 热绕组欧姆表 型号2950 热绕组欧姆表
在交流运转期间热绕组欧姆表测量交流绕组温度。它可用于交流电动机，变压器和其它AC线圈。在测量操作过程中本仪器采用电阻法。该设备提供了数据记录的测试结果。它是可具有1至3个测量通道。
Hot Winding Ohm meter Model 2950
The Hot Winding Ohmmeter measures AC winding temperatures during AC operation. It can be used for AC motors, transformers and other AC coils. This instrument uses the resistance method, measuring during operation. This equipment gives data logging of the test results. It is available with 1 to 3 measurement channels.
The Hot Winding Ohmmeter makes it possible to measure temperatures continuously during operation. The temperature time curve can be recorded, giving an early indication that temperatures are becoming too high or the temperature is stabilizing (which shortens the test).
Features
1. Measures temperature rises during operation of motor windings and all types of AC coils.
2. 1 Channel Standard. Optional - can add up to 2 more channels.
3. Temperature rises are measured by the resistance method. Resistance of Copper windings
change approximately 4.0 promille per degree Centigrade, measuring temperature change.
4. Four pole Kelvin connections are used. Current measurement terminal as well as voltage measurement terminals is isolated.
5. Cut-off capacitors are included to isolate mains from measurement current. Special capacitors are available, as an option, for higher currences.
Specifications
1. Can measure products utilizing currents to 15A (Standard configuration of currents)
2. Tests to all IEC standards
3. Ranges 10-100-1000-10000 ohms
4. Accuracy ± 1%
5. Standard PC controls the measuring and logging results
6. Data logged in time and graph on PC
7. Data logging using optically isolated modem and logger
8. Data logging is controlled by a PC using an RS232 interface
9. Certificate issued by Friborg Test Technology
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