BATTERY INSULATION TESTER BT5525
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BATTERY INSULATION TESTER BT5525 Detect contamination that could cause defects. Improve battery cell productivity through high-speed testing. Product concept To assure battery quality over the long term, it’s necessary to detect the causes of latent defects in testing processes on production lines. Minuscule insulation defects can eventually degrade battery service life and cause fires. The principal causes of insulation defects are contamination (with metallic matter) and minuscule scratches occurring in production processes. Market requirements “We want to prevent shipment of batteries with latent defects that could lead to fires.” “We want to boost productivity by optimizing costs.” The BT5525 is an battery insulation tester that was developed to meet these battery market requir

Preventing the shipment of batteries with latent defects that could lead to fires. Internal shortcircuit detection Noise resistance Prevention of erroneous judgments Break Down Detect function (BDD) Detecting minuscule insulation defects caused by contamination The BDD function is a proprietary testing function that can detect minuscule internal short-circuits caused by contamination (with metallic matter) at the stage before battery cells are filled with electrolyte. By identifying and eliminating defective parts at an early stage in the production process, the BDD function helps prevent...

Noise resistance Stable insulation resistance testing, even in noisy environments Hioki succeeded in significantly reducing the effects of external noise by drawing on insulation resistance tester measurement technology and design expertise cultivated over many years. As a result, the BT5525 can perform stable, variation-free insulation resistance testing at a level of quality that lets it detect internal short-circuits caused by contamination. Common-mode noise application simulation BT5525 Competitor’s instrument Measured values True value Stable performance, even in noisy environments...

The standard model in Hioki’s line of Battery insulation tester High-speed Reasonably priced High-speed testing to increase production volume. Easy to add instruments while saving space. Invest in quality at a reasonable cost. Ideal for insulation resistance testing before battery electrolyte filling The BT5525 tests insulation between electrodes before cells are filled with electrolyte. Its maximum test voltage is 500 V. If certain test conditions are satisfied, it can also perform insulation testing between module/pack electrodes and the enclosure. Testing of cells’ internal resistance...

High-speed testing to increase production volume Shorten cycle times with a maximum charging current of 50 mA The BT5525 features high-speed charging at up to 50 mA and high-speed discharging of residual charge at 40 mA. The instrument’s dramatically improved charging and discharging performance boosts testing speed, accelerating charging by about 25 times compared to previous models, and discharging by about 4 times. In this way, it can shorten insulation resistance testing times for batteries, which manufacturers are producing at ever-higher levels of capacity. *Compared to Hioki’s...

TEST indicator COMP lamp Cursor keys Measurement terminals *The LOW terminal is a dedicated HIOKI connector, so only our optional L2131 or L2133 can be connected. Power switch Power inlet Analog output terminal RS-232C connector EXT. I/O mode switch (NPN/PNP) USB connector CLIP TYPE LEAD L2130 For HIGH terminal, banana / alligator clip, red, cord length 1.5 m CLIP TYPE LEAD L2131 For LOW terminal, special triaxial / alligator clip, black, cord length 1.5 m UNTERMINATED LEAD L2132 For HIGH terminal, banana / cut wire, red, cord length 5 m UNTERMINATED LEAD L2133 For LOW terminal, special...

External control and other communications interfaces EXT. I/O The BT5525 ships standard with LAN, RS-232C, and USB interfaces, allowing it to be connected to a PC or programmable logic controller (PCL). This capability can be used to control the instrument and retrieve test results. Furthermore, the instrument provides external I/O terminals to facilitate instrument control and retrieval of instrument status and judgment results. The EXT. I/O connector on the rear of the instrument can be used to control the instrument by outputting TEST signals and judgment result signals and inputting...

(Accuracy guaranteed for 1 year) Main functions Insulation resistance test Break Down Detect function (BDD) Contact check function Output specifications Output voltage Charging current (Current limit function) Short-circuit current Discharge current Measurement specifications Resistance value display range Resistance range Time specifications Test time Comparator delay time Display update speed Sampling time Memory functions Panel save function Measured value memory function judgment functions Test modes Comparator function 25 V to 500 V, Setting resolution 1 V 50 µA to 50 mA*1*2*3, Minimum...