WUHAN GRACE NEW ENERGY CO., LTD.
WUHAN GRACE NEW ENERGY CO., LTD.
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Brief description
Applicable to: colleges and universities, research institutions, and battery production enterprises for products such as individual cells, power batteries, pack batteries, lead-acid batteries, supercapacitors, etc
Research and testing.
Test items: detailed data of charge and discharge, cycle life, charge and discharge curve, charge and discharge efficiency, capacity decay, specific capacity, specific energy, DC resistance, leakage current
(Self discharge) current, overcharging/overdischarging, and other items.
Technical parameters
| Product model | GRS-BT2018F |
| Appearance size | Length x Depth x Height=49cm x 34cm x 13cm |
| Input power supply | Single phase AC 220V ± 10%/50Hz |
| AC impedance | ≥1MΩ |
| Voltage range | Charging voltage: 0V-60V; Discharge voltage: 5V |
| Voltage accuracy | Actual control accuracy: ± 0.05% of FS; Stability: ± 0.05% of FS |
| Current range | 20mA-----20A |
| Current accuracy | Actual control accuracy: ± 0.05% of FS; Stability: ± 0.05% of FS |
| Charging mode | Constant current charging/Constant voltage charging/Rate charging/Constant power charging/Constant voltage current limiting charging/Pulse charging |
| Discharge mode | Constant current discharge/Constant resistance discharge/Rate discharge/Constant power discharge/Constant voltage current limiting discharge/Pulse discharge |
| Restrictive conditions | Voltage, current, relative time, capacity, - △ V, rate current, capacity statistics C1, time statistics T1, counter N1, counter N2 |
| Record conditions | Time variation △ t: 50ms -3600S |
| Voltage variation △ U: 0.001mV --5V | |
| Current variation △ I: 0.001mA-5000mA | |
| Record frequency | Maximum recording frequency 20Hz |
| Test event record | For example, event records such as running, stopping, protecting information, parameter resetting, channel changes, online calibration, etc |
| Number of cycles | 1-99999 times |
| loop nesting | Equipped with nested loop function, supporting up to 3 layers of nesting |
| Operation protection | Support power outage protection, communication interruption protection, computer crash protection, system crash protection |
| Protection conditions | Delay protection, overvoltage, undervoltage, overcurrent, over capacitance, over temperature, single overvoltage, single undervoltage |
| Alarm method | Test completion reminder, security protection alarm, abnormal error alarm, barrage prompt information |
| Channel characteristics | 4 channels/unit, independently programmable, non interfering with each other |
| control mode | The constant current source and constant voltage source adopt a dual closed-loop structure, with high-precision linear adjustment |
| Benchmark characteristics | Adopting American specific benchmark integrated chips; Temperature coefficient: 5ppm/℃ (maximum) |
| AD/DA | AD:24bit； DA:16bit |
| Screen display information | 3-inch LCD (box number, voltage range, current range, communication status, channel number, etc.) with adjustable brightness |
| Communication method | USB/RS485, using optoelectronic isolation technology, can accommodate up to 256 units |
| Heat dissipation method | Air cooling, fan speed supports three modes: programmable control, temperature control, and full speed |
| Access method | Four wire system, supporting three electrode measurement, crocodile fixture, polymer fixture, etc. (optional for users) |
| Software Style | C # platform development, WIN10 style, flat design, adapted to current popular operating habits |
| Software Language | Support online switching between Chinese and English |
| Test plan characteristics | Scheme script independence (can be freely copied, created, modified, deleted, etc.), loop control, data analysis, centralized database management, real-time curve, curve comparison, etc |
| Step editing features | Intelligent judgment of logical relationships based on operating modes, prompting for incorrect operations, and automatically filling in main parameters and cutoff condition parameters, which can also be manually modified |
| Mode operation characteristics | Start, stop, resume start, force jump, parameter reset, change channel, etc |
| DCIR testing | Support fixed-point DCIR calculation |
| Supercapacitors | Equipped with supercapacitor testing function, the test results are directly measured in "Farad F" units, and the leakage current can be measured |
| Display resolution | 6-digit significant digits (voltage, current, etc.) |
| Data presentation method | Coordinate curves (customizable X and Y coordinates), graphics, data lists (process, detail layering) |
| Data export | Can be exported as EXCEL, TXT, graphics (can specify steps or specify loop export) |
| Save data separately | Support single or multiple data saving, automatically create new folders for multiple data saving, automatically add file names with startup time, box number, and channel number for easy data management |
| Software upgrade | Support remote network push and online upgrade |
