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CRIEM GROUP Electroelectronics Products and Sevices – Cases Representative – Multi–Contact Distribuitor Transformer Turn Ratio IRT-101 General Overview The Transformer Turn Ratio Meter IRT-101 is an instrument designed to accurately measure to the transformer turn ratio providing an easy reading on the panel. It can be used both in the field and laboratory, powered by 127VCA or 220VCA, to test power and distribution single-phase transformers such as other transformers designed to work from 25 to 60 Hz. The low-side of the transformer under test must be rated to voltages higher or equal to 6Vrms. When operating in 6Vrms the excitation current is around 1.5Arms. Then almost all power and distribution transformers can be tested by IRT-101. It allows to detect windings in short-circuit or open-circuit. Technical Specifications Transformer Turn Ratio IRT-101 Power Supply Ranges of measurement 127or 220VCA ± 5% 50/60Hz From 0,0001 to 119,9999 CRIEM CRIAÇÕES ELETROMECÂNICAS LTDA – CRIEM IMPORTS LTDA 28 Crepúsculo Street, Califórnia – Zip Code: 30855-435 – Belo Horizonte / Brazil – Phone:+55 31 3389-4159 Fax +55 31 3389-4158 www.criem.net / [email protected] CRIEM GROUP Electroelectronics Products and Sevices – Cases Representative – Multi–Contact Distribuitor Accuracy ±0.1% of the reading ± 0.001 Input Voltage of Measurement From 0 to 10VAC Input Current of Measurement From 0 to 2.0Aac Sampling Time 25ms Output Voltage From 0 to 10VAC Output Current From 0 to 2.0Aac (limited by the load) Relative Humidity From 10 to 85% Temperature of Operation From 5 to 30°C Storage Temperature From 0 to 45°C Weight 10kg Dimensions 38 x 31 x 18 cm Included accessories Power cord in Brazilian Standard 1.5 meters long; 2 units of double measuring leads 4 meters long; 2 units of leads with Kelvin Clips (color-coded), 4 meters long; User Manual in English; Calibration Report; Metallic, robust box to transport the equipment. CRIEM CRIAÇÕES ELETROMECÂNICAS LTDA – CRIEM IMPORTS LTDA 28 Crepúsculo Street, Califórnia – Zip Code: 30855-435 – Belo Horizonte / Brazil – Phone:+55 31 3389-4159 Fax +55 31 3389-4158 www.criem.net / [email protected]