HYDAJ Color LCD Dielectric Loss Tangent Tester

Key Features

1. Advanced Variable-Frequency Anti-Interference — Maintains stable measurement accuracy under interference levels up to 200%, making it ideal for demanding substation field environments.
2. Versatile Test Modes — Supports internal/external HV, normal/reverse connection, and full CVT test modes, with automatic identification of different test objects for efficient operation.
3. Flexible Voltage & Frequency Control — Adjustable test voltage and frequency with dual variable-frequency modes, a wide adjustment range, and high resolution for accurate and reliable measurements.
4. Automatic Testing & Data Management — Enables automatic measurement, data storage, and printing. A wide AC input voltage range enhances adaptability for outdoor and on-site power equipment testing.

    

   Technical Specifications & Operating Conditions

   Model	HYDAJ-220 V50 Hz
   Accuracy	Cx: ±(1% of reading +1pF); tanδ: ±(1% of reading +0.0004)
   Anti-interference Performance	Variable frequency anti-interference, maintaining rated accuracy under 200% interference.
   Capacitance Measuring Range	Internal High Voltage: 3 pF ~ 60000 pF/10 kV,60 pF ~ 1 μF/0.5 kV External High Voltage: 3 pF ~ 1.5 μF/10 kV,60 pF ~ 30 μF/0.5 kV Resolution: Max. 0.001 pF, 4 significant digits
   tanδ Measuring Range	Unlimited range; resolution: 0.001%. Automatic identification of capacitive, inductive and resistive test samples
   Test Current Range	5 μA ~ 5 A
   Internal High Voltage	Settable voltage range: 0.5 ~ 10 kV; Max. output current: 200 mA Voltage regulation: Arbitrary voltage setting (e.g. 5123 V) Test frequency: Single frequency adjustable from 40 ~ 70 Hz (e.g. 48.7 Hz) Dual variable frequency optional: 50±0.1 Hz to 50±10 Hz Dual variable frequency optional: 60±0.1 Hz to 60±10 Hz Frequency Accuracy: ±0.01 Hz
   External High Voltage	Max. test current 5 A for normal wiring, power frequency or variable frequency 40-70 Hz Max. test current 10 kV/5 A for reverse wiring, power frequency or variable frequency 40-70 Hz
   Power Supply	180 V ~ 270 VAC, 50 Hz±1%, mains power or generator power supply
   Computer Interface	Standard RS232 interface, USB port (automatic data storage via USB flash drive)
   Printer	Mini thermal printer
   Ambient Temperature	-10℃ ~ 50℃
   Relative Humidity (RH)	<90%
   Dimensions	500 × 377 × 330 mm
   Net Weight	26 kg