GW Instek launches a new series of desktop battery tester, the GBM-3000 series, which uses AC 1kHz as the test signal and measures
battery's voltage and internal resistance to 300V (GBM-3300) and 80V (GBM-3080). The series features 3.5" TFT LCD, 4-wire measurement
method, high-resolution (6-digit voltage / 5-digit resistance) measurement display capability, and independent GO/NOGO determination
of voltage and resistance, various communications interfaces, etc. to meet various types of battery measurements, ranging from single cell,
battery cell, to the end product (battery), etc. so as to facilitate users in achieving accurate measurements at all stages of production.
The GBM-3000 series provides excellent features for various types of batteries in measuring open circuit voltage and resistance. For voltage
measurement, the accuracy is as high as ± (0.01% reading + 3 digits), and measurement resolution is up to 10 V (at 8V). For resistanceμ
measurement, the accuracy reaches ± (0.5% reading + 5 digits) and the resolution achieves 0.1 (at 3m ) that is especially suitableμΩ Ω
for the sorting of single cell measurements, which is to achieve a better output balance for the follow-up series and parallel connections.
In the meantime, in order to facilitate users to quickly and clearly interpret the measurement results, the GBM-3000 series features HI/LO
determination respectively based on voltage and resistance, and can be switched to the simple (big numerical display) mode to meet the
requirements of test accuracy, clear and easy-to-read, and elevated inspection efficiency and capabilities.
Other than the excellent measurement capabilities, the GBM-3000 series also provides a number of functions to ensure effectiveness and
convenience. For the effectiveness, the test lead (probe) contact status detection function is to effectively prompt users whether test lead
(probe) and DUT are in good contact to ensure the validity of the measured value. In terms of convenience, the GBM-3000 series provides
two data storage methods (up to 10,000 lots of measurement values). "General storage" only stores the measured voltage and resistance
values; "statistical storage" has the related parameters (Cp/Ckp/Mean/MAX/MIN...) for the statistical analysis. Users can store the data
from the measurement process in the internal memory first and then transfer the data to the computer via flash drive for subsequent
analysis without being limited to the connection with the computer.
In addition, for retrieving and storing measurement results via the transmission method, the GBM-3000 series provides RS-232C/USB
device (virtual COM) for writing programs and retrievals. The handler interface is provided for external trigger control via PLC. All
interfaces are standard-equipped that not only save the cost of instruments, but also meet the requirement of using different automated
measurement systems.
PANEL INTRODUCTION
USB USB
Host
Device
3
1
8
2
4
5
6
1. 3.5” TFT LCD
2. Operation Key
3. Numeric & Navigator Key
7
4. Setup & Measure Key
5. Test Terminal
6. USB Host
7. Standard Interface : USB Device,
RS-232C, Handler
8. Universal Input Power
Handler
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