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The Major Tech MT247 is a rechargeable battery internal resistance tester designed for professional electricians. This versatile device measures the internal resistance, voltage, and temperature of lead-acid batteries, gel batteries, lithium batteries, and more.
Utilizing the AC injection method provides accurate measurements unaffected by contact resistance. The MT247 features a large capacity lithium battery for extended use, USB interface for computer linking, and Bluetooth function for mobile connectivity.
With preset PASS, WARNING, and FAIL judgement thresholds, data storage, alarm functions, and automatic shutdown, the MT247 ensures reliable performance and ease of use. Compact and portable, it is an essential tool for battery production, installation, and maintenance.
Q: What types of batteries can the Major Tech MT247 test?
A: It can test lead-acid batteries, gel batteries, lithium batteries, and other rechargeable batteries.
Q: How does the MT247 measure battery resistance?
A: It uses the AC injection method for accurate measurement of internal resistance.
Q: Can the MT247 connect to a computer or mobile phone?
A: It features a USB interface for computer linking and a Bluetooth function for mobile phones.
Q: Does the MT247 provide judgement thresholds for battery health?
A: Yes, it includes preset PASS, WARNING, and FAIL judgement thresholds for easy assessment of battery health.
(MT247)
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
| Specification | Range | Resolution | Accuracy |
|---|---|---|---|
| Resistance | 3mΩ | 1uΩ | ±(1% fs. ± 20) |
| 30mΩ | 10uΩ | ±(0.5% fs. ± 15) | |
| 300mΩ | 100uΩ | ||
| 3Ω | 1mΩ | ||
| DC Voltage | 7V | 1mV | ±(0.2% fs. ±10) |
| 70V | 10mV | ±(0.2% fs. ±10) | |
| Temperature | -10°C to 60°C | ±(1.0%) | |
| Internal Resistance | 1KHz (AC 4-terminal test method, open circuit terminal voltage 3V max) | ||
| Measuring current | 2.0mA to 200mA (different measuring currents in different ranges) | ||
| Temperature sensor | NTC temperature sensor (10KΩ at 26°C) | ||
| A/D Conversion Method | Successive approximation type | ||
| LCD Update Frequency | 5 times/second | ||
| Response Time | 200ms | ||
| Measuring Time | About 2 seconds | ||
| Hold & Store | Manual retention & storage, automatic retention and storage | ||
| Measurement Judgement | Pre-set PASS, WARNING, FAIL judgment thresholds | ||
| Batteries | 3.7V Lithium Rechargeable Batteries | ||
| Dimensions | 190 x 121 x 51mm | ||
| Weight | 480g | ||
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Major Tech |
| SKU | MT247 |
| Barcode # | 6008229041280 |
| Shipping Weight | 2.2000kg |
| Shipping Width | 0.380m |
| Shipping Height | 0.330m |
| Shipping Length | 0.150m |
| Shipping Cubic | 0.018810000m3 |
| TYPE | VALUE |
|---|---|
| Type | Battery Resistance Tester |
| Brand | Major Tech |
| Colour | Blue, Grey |
| DC Voltage | 7V - 70V |
| Response Time | 200ms |
| Included | Carry Case, Test Leads, USB Cable |
| Resistance | 3mΩ - 3Ω |
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