Features of UT677 series Battery inernal resistance tester
UNI-T UT677A+ Battery Internal Resistance Tester Volt Temp Meter Bluetooth PC APP Connection
The UT677 series are devices for assessing the condition of rechargeable batteries, including lead-acid and lithium types, by measuring their internal resistance and voltage.
Using the AC four-terminal method, it accurately measures internal resistance without interference from lead resistance.
Features include data storage, retrieval, alarms, auto shut-off, and strong anti-interference, making it essential for battery production, installation, and maintenance.
1. Battery internal resistance: 0-3Ω(4 ranges; 1μΩ);
2. Voltage(UT677A+): 0-70V;
3. Manual & auto measurement;
4. PC software and Bluetooth APP supported;
5. Rechargeable Lithium Battery: 2600mAh;
6. Auto power off and low battery indication;
7. Fast response (200ms); test time: 2s
8. Data hold and storage (500 set);
9. CE certificated
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Features |
Battery internal resistance, battery voltage, temperature measurement |
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Precision |
23℃±5℃, below 75%rh |
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Power supply |
DC 3.7V lithium battery |
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Resistance resolution |
1 u Ω |
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Voltage resolution |
1 mV |
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Temperature resolution |
0.1℃ |
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Measuring range |
Internal resistance measurement：0.000mΩ~3.100 Ω （4 ranges configuration） |
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Voltage measurement：0.000V~±71.00V （2 ranges configuration） |
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Temperature measurement：-10.0℃~60.0℃（Single range configuration） |
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Maximum input voltage |
DC 70V（+Between measuring terminal and-measuring terminal）、No input communication |
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Measurement method |
Internal resistance measurement: 1KHz AC 4-terminal test method, open-circuit terminal voltage 3V max Measurement current: 2.0mA~200mA (different measurement currents in different ranges) Temperature measurement: NTC temperature sensor (10KΩ at 26℃) A/D conversion method: successive approximation type Display update frequency: 5 times / second |
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Response time |
200ms |
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Measure time |
About 2 seconds |
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LCD size |
70.1mm×52.6mm / 3.5 inches (320*240 resolution 16-bit true color screen) |
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Instrument size |
190mm×121mm×51mm |
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USB interface |
The stored data can be uploaded to the computer, saved and printed |
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Bluetooth connection |
Yes |
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Hold and store function |
Manual retention and storage, automatic retention and storage |
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Measurement judgment function |
Pre-set PASS, WARNING, FAIL judgment thresholds |
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battery voltage |
The battery level is displayed in 5 bars, reminding to charge in time when the battery voltage is low |
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Automatic shut-down |
There is no operation when the machine is turned on, and it will be turned off automatically after about 15 minutes (can be turned off in the settings) |
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Power consumption |
300mA MIN / 500mA MAX |
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Quality |
480g |
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Working temperature and humidity |
-10℃～40℃; below 80%RH |
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Storage temperature and humidity |
-20℃～60℃; below 70%RH |
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Insulation resistance |
Above 20MΩ (500V between circuit and case) |
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Resistant to pressure |
AC 3700V/RMS (between circuit and case) |
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External magnetic field |
＜40A/m |
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External electric field |
＜1V/m |
Shipping policy
1. We will send out your order within 3 working days, the tracking number will be updated to you once your order has been shipped. Standard shipping will take 8-12 business days for delivery and expedited shipping takes 2-7 business days. If there is any delay, it may be caused by bad weather or custom inspection which is not in our control, but don't worry, we will keep to follow your order until you receive it.
2. We try our best to make you get desired products as soon as possible. In case you receive wrong products, please contact us timely for exchange or refund. If damaged, please refuse to sign and send us the message ASAP.
3. Shipping cost does not include DHL/FedEx /UPS Remote area service charge , buyer will afford if your address belongs to it ,it is USD45 for it .
Warranty&Return Policy:
1.-We encourage all customers to communicate with us through eBay messages.
If you have any questions or comments whatsoever regarding our products function or listing questiones, we are waiting to hear from you
2.-A 1 year warranty is offered for this product.If the product malfunctioned under proper usage per instructions manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.
Import Taxes or Duties
1.- Import duties, taxes and other charges happened in your side are not included in the item price. These fees not included in our price.
2.- Please check with your country's importing policy about the duties and charges before purchase.
Feedback
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2.- Please contact us before you leave a neutral or negative feedback, we will try our best to solve the problems.