JKJQ‑1B Dielectric Strength Tester
Oil Analysis Dielectric Strength

JKJQ‑1B Dielectric Strength Tester

Part Number: JKJQ‑1B
The JKJQ‑1B is a fully automatic, single-cup dielectric strength tester for insulating oils, ideal for field and laboratory use. Powered by a microprocessor, it performs automated voltage ramp-up, holding, stirring, breakdown detection, discharge, calculation, thermal printing, and stores up to 100 test records. Designed for insulating oils used in transformers and high-voltage equipment, it complies with standards GB/T 507‑2002, DL 429.9‑1991, DL/T 846.7‑2004, and offers 80 kV breakdown testing with optional 100 kV capability
Automated, High-Voltage Safety & Precision
Microprocessor control ensures consistent voltage ramp (0–80 kV, optional 100 kV), stirring, discharge, and readout—all with ±3% accuracy and <3% distortion .

User-Friendly Touchscreen & Bilingual Display
Large LCD touchscreen with menus in both Chinese and English shows ambient temperature, humidity, test count, and results—simplifying operation in diverse environments
Robust Safety & Data Management Features
Built-in protections against overvoltage, overcurrent, and electrode misalignment, plus storage for 100 test results and USB/RS‑232 exportable data, along with thermal printing functionality
Specification Value
Standards Compliance GB/T 507‑2002, DL 429.9‑1991, DL/T 846.7‑2004
Voltage Output 0–80 kV standard; 0–100 kV optional
Voltage Distortion < 3%
Ramp Rate 0.5–5 kV/s (adjustable)
Breakdown Cycles 1–6 tests per sample, configurable
Static Discharge Time Default 15 minutes (adjustable)
Booster Capacity 1.5 kVA
Measurement Accuracy ±3%
Data Storage Up to 100 test records, retained during power-down
Display Large Chinese/English LCD touchscreen
Interfaces USB, RS‑232; thermal printing
Power Supply AC 220 V ±10%, 50 Hz; ≤ 200 W
Operating Conditions 0–45 °C; Humidity ≤ 85% RH
Dimensions Approx. 430×350×370 mm
Weight ≈ 26 kg

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