EK-C350
EK-C350 High Voltage Insulation Meter
EK Instruments EK-C350 — professional high voltage insulation meter for industrial electrical testing.
Product Overview
EK-C350 High Voltage Insulation Meter
EK Instruments EK-C350 is a professional high voltage insulation meter. Designed for industrial electrical measurement and field testing. Built with precision engineering and reliable components for long-term stability.
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Product Function
Suitable for insulation resistance testing of cables, motors, generators, transformers, mutual inductors, high voltage switches, arresters and other large equipment.
Insulation resistance test (IR); polarization index test (PI); dielectric absorption ratio test (DAR); Step test (STEP); Ramp test (RAMP); AC/DC voltage test (V).
Product Features
1.Touch colorful screen, test data is displayed on the same screen. It is very convenient for test operation and viewing history records.
2.With unique strong anti-interference technology, it has stable testing capability in large distributed capacitance sites (such as long cables) and strong electromagnetic interference environments (such as substations).
3.Perfect measurement index: insulation resistance (IR), polarization index (PI), dielectric absorption ratio (DAR), step (STEP), ramp (RAMP), AC/DC voltage (V).
4.Custom setting measurement mode: optional PI and DAR calculation formulas, custom setting test voltage and custom setting test duration, providing users with multiple options to meet special site requirements.
5.Voltage monitor: automatically monitors the live voltage of the measured object. Voltage exceeding 36V will automatically prohibit the test to effectively protect the instrument and the operator.
6.Current monitor: automatically displays the current of test circuit.
7.Temperature monitor: automatically displays the temperature and humidity inside the tester.
8.Automatic discharge function: automatically and quickly releases the charge of the measured object after the test, no need for external discharge circuit.
9.Large-capacity test record memory: test records can be directly browsed and analyzed in the tester. It can automatically store 1000 sets of real-time test data with test date and test time.
10.USB communication and upload function: recorded data can be uploaded to a computer for storage and statistical analysis.
11.Bluetooth communication function: test results can be uploaded to a mobile phone.
Insulation Resistance Measurement Accuracy
Rated Voltage | 50V | 250V | 500V | 1000V | 2500V | 5000V | 10kV | |
Range & Accuracy | ±5% | 5.00GΩ | 25.0GΩ | 50.0GΩ | 100.0GΩ | 250GΩ | 500GΩ | 1.00TΩ |
| ±10% | 50GΩ | 250GΩ | 500GΩ | 1.00TΩ | 2.50TΩ | 5.00TΩ | 10.0TΩ |
Technical Specification
Model | EK-C350 | EK-C350B |
Power Supply | DC14.8V, 5200mAh rechargeable lithium battery | |
Display Screen | 5-inch touch colorful screen, display area: 107mm × 58mm | |
Rated Voltage | 50V, 250V, 500V, 1000V, 2500V, 5000V | 50V, 250V, 500V, 1000V, 2500V, 5000V, 10kV |
Insulation Resistance Range | 0.005MΩ ~ 5.00TΩ | 0.005MΩ ~ 10.00TΩ |
Custom Setting Output Voltage | 40V ~ 5kV | 40V ~ 10kV |
Output Voltage Accuracy | +4%±10V (when 50V: +4%±2V) | |
Short Circuit Current | 5mA MAX | |
Custom Setting Test Time | 10s ~ 3600s | |
Voltage Measurement | Range: DC 0V~1000V / AC 0V~750V; Accuracy: ±5%rdg±3V | |
Polarization Index (PI) | Yes | |
Dielectric Absorption Ratio (DAR) | Yes | |
Step Test (STEP) | Yes | |
Ramp Test (RAMP) | Yes | |
Real Time Current Display | Display test current value, range: 0.001nA ~ 5mA | |
Real Time Voltage Display | Real time monitoring voltage of tested terminal. In non-test state, voltage >36V prohibits test. | |
Test Timer | Automatic record test time, range: 0s ~ 9999s | |
Storage Function | Automatically store 1000 groups of test data, can replay records in tester. | |
Bluetooth Printer | Optional | |
Analog Pointer Display | Optional | |
Battery Power Display | Yes, low voltage reminder | |
Automatic Shutdown | 15 minutes after startup without operation | |
Maximum immunity to noise/interference | 6mA | |
Withstand Voltage | AC 3kV 50Hz 1min (between test circuit and shell) | |
USB Communication | Yes, upload test records to PC via USB cable | |
Bluetooth Communication | Yes, connect to Android phones or other Bluetooth devices | |
Meter Dimensions | 280mm × 260mm × 160mm | |
Meter Weight | Approx. 6.2kg (including accessories) | |
Operating Temperature & Humidity | -20℃ ~ 50℃; 80%RH | |
Protection Level | Closed case: IP65, opened case: IP40 | |
Suitable Safety Standard | IEC61010-1, IEC61326-1 | |
Applications: Power utility, industrial maintenance, electrical testing labs, field engineering services.
Need Help?
Our team is ready to assist with product selection and application questions.
Email Us
Jemma@ek-instruments.com