JH2520B Standard Battery Internal Resistance Tester
The JH2520B is a newly designed, high‑precision, highly stable battery tester that features a high‑performance ARM microprocessor and a true‑color 4.3‑inch LCD display with bilingual Chinese–English interface, making operation even more convenient. It is an upgraded successor to the 2520 model. This high‑performance, intelligent instrument is widely used for testing contact resistance, battery voltage, and internal resistance. Its newly improved sampling circuit can measure batteries of any type. Equipped with professional sorting functions and adjustable audible‑alarm settings, it is ideal for integration into automated sorting systems to enable fully automated production‑line testing. Additionally, it can be fitted with a USB interface for remote control and data acquisition and analysis, making it particularly well suited for mass‑production environments.
- Product Description
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I. Product Overview
The JH2520B is a newly designed, high‑precision, highly stable battery tester that features a high‑performance ARM microprocessor and a true‑color 4.3‑inch LCD display with bilingual Chinese–English interface, making operation even more convenient. It is an upgraded successor to the 2520 model. This high‑performance, intelligent instrument is widely used for testing contact resistance, battery voltage, and internal resistance. Its newly improved sampling circuit can measure batteries of any type. Equipped with professional sorting functions and adjustable audible‑alarm settings, it is ideal for integration into automated sorting systems to enable fully automated production‑line testing. Additionally, it can be fitted with a USB interface for remote control and data acquisition and analysis, making it particularly well suited for mass‑production environments.
II. Performance Characteristics:
1. Measurement is performed using the vector method, enabling simultaneous measurement of multiple parameters.
2. Comparator sorting function
3. Test line damage detection
4. Compatible with the SCPI command set
5. A completely redesigned sampling circuit
III. Application Areas
1. Testing of various contact resistances
2. Determination of degradation and life assessment of alkaline batteries and lead-acid batteries
3. UPS Online Monitoring
4. Factory Inspection of Batteries
5. Measurement of the Equivalent Series Resistance (ESR) of Supercapacitors
IV. Technical Parameters:
Model number JH2520B Test parameters AC resistance, DC voltage Display 4.3-inch TFT LCD display Basic accuracy
Resistance: 0.5% Voltage: 0.5%
Measurement range
Resistance: 0.01 mΩ to 30 Ω Voltage: 0.01 mV to 60 VDC
Signal source AC 1 kHz, open-circuit voltage <20 mV, test current: <10 mA Range Four-range automatic or manual Test speed 10 times per second Show results Direct reading value, Δ% Correction Short-circuit zeroing across the entire range Comparator PASS FAIL Front Panel LED Display Trigger Internal trigger, manual trigger, external trigger, remote trigger Interface RS232, Handler Power Requirements
Voltage: 198 VAC to 240 VAC Frequency: 50 Hz Power: Maximum 15 VA
Dimensions and Weight
Shelf dimensions (mm): 215 (W) × 88 (H) × 335 (D)
External dimensions (mm): 235 (W) × 105 (H) × 360 (D)
Other
Keyboard lock and data-saving functions, with internal flash memory and USB drive recording.
Attachment 505 Kelvin test line Optional Accessories 506A Test Probe / 506 Test Lead Rod
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Huizhou Jinghui Instrument and Equipment Co., Ltd.
Service Hotline:400-1331-882
No. 13, Jinda Road, Huinan Science and Technology Park, Huizhou City, Guangdong Province
E-mail:jh@jhyq.com
