English:Compliance standard: Industry Standard of the People's Republic of China rebound test hammer (JGJ 817-2011)
中文：执行标准：中华人民共和国行业标准《回弹仪》(JGJ 817-2011)
Standard
地区/组织
ISO/DIS 8045
International
EN 12 504-2
Europe
ENV 206
BS 1881 part202
Great Britain
DIN 1048 part2
Germany
ASTM C-805
USA
NF P18-417
France
B 15-225
Belgium
JGJ/T23-2011
China
JJG 817-2011
English
中文
Nominal kinetic energy: 2.207J
标称冲击动能：2.207J
Stiffness of spring: 785 ± 30.0N/m
弹簧刚度：785 ± 30.0N/m
Pointer length: 20.0 ± 0.2mm
指针长度：20.0 ± 0.2mm
Pointer friction: 0.65 ± 0.15N
指针摩擦力：0.65 ± 0.15N
Spherical radius of impact rod: R25 ± 1.0mm
冲击杆球头半径：R25 ± 1.0mm
Working length of spring striking tension spring: 61.5 ± 0.3mm
冲击弹簧工作长度：61.5 ± 0.3mm
Tensile length of spring striking tension spring: 75.0 ± 0.3 mm
冲击弹簧拉伸长度：75.0 ± 0.3 mm
Rated value of steel anvil: 80 ± 2
钢砧率定值：80 ± 2
Consistency of detection indication: ≤ ±1
示值一致性：≤ ±1
Operating temperature: -4 ℃ ~ + 40 ℃
工作温度：-4 ℃ ~ + 40 ℃
Communication rate: 115200bps
通讯波特率：115200bps
Display: 2.08-inch 256x64 (dot matrix) OLED display
显示屏：2.08 英寸 256×64 点阵 OLED
Power supply: 1800mAh, 3.7V lithium ion battery
供电：1800mAh 3.7V 锂电池
Working hours: continuous working ≥ 10 hours
续航时间：连续工作≥10 小时
Built-in national unified curve (JGJ/T23-2011) and multiple provincial, municipal and district local strength measurement curves, support real-time measurement point strength estimation, and automatically calculate the measurement area strength and component estimated strength after sampling.
内置**统一曲线 (JGJ/T23-2011) 及多省市地方测强曲线，支持测点强度实时估算，采样后自动计算测区强度与构件推定强度。
Compliance standard: Industry Standard of the People's Republic of China rebound test hammer (JGJ 817-2011).
符合中华人民共和国行业标准《回弹仪》(JGJ 817-2011)。
Small size, modular design, easy to replace the mechanical rebound test hammer.
体积小巧，模块化设计，可直接替代机械式回弹仪。
Built-in large capacity rechargeable lithium ion battery, long service life of the test hammer.
内置大容量可充电锂电池，仪器使用寿命长。
Built-in large capacity memory can store 999 standard components, and a single component can set up 99 measuring areas and 159840 measuring point data at most.
内置大容量存储，可存储 999 个标准构件，单个构件*多可设置 99 个测区、159840 个测点数据。
Support break-point continuous test, and data collection is more convenient and humanized.
支持断点续测，数据采集更人性化、更便捷。
Support voice counting, measurement area conversion and component completion voice reminder.
支持语音报数、测区转换及构件完成语音提示。
Support Bluetooth online, expand the use of mobile app connection, and make it more convenient to upload data to the cloud with the cloud server.
支持蓝牙在线，可搭配手机 APP 使用，方便数据上传至云服务器。
Through data line connection and computer data processing software, the test data can be processed quickly and the test report can be issued.
支持数据线连接电脑数据处理软件，可快速处理数据并生成检测报告。
Support system upgrade. According to user feedback, the company will upgrade the system regularly to improve the use experience.
支持系统升级，根据用户反馈定期更新系统，优化使用体验。
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