| 详细介绍： 740美国3M氢气气体检测仪740
740美国3M氢气气体检测仪740
产品描述
740是一种耐用、操作简便的便携式多种气体检测仪，是用于危险环境和密闭空间进入检测的最佳选择；能同时检测多达4种气体：可燃气、氧气、一氧化碳、硫化氢。
主要特点
全中文菜单显示，一切操作变得轻松自然
独特设计预先校准的传感器组，提供用户增值服务
超强数据管理功能，大容量存储，可记录长达半年时间数据；满足安环人员管理需要
高性能充电锂电池，超长时间使用
无线红外传输，避免连接线、存储卡等遗失带来的烦恼
报警点可调节，根据用户现场环境随意调节
大屏幕，背景灯等人性化设计，细微体现产品使用的舒适性
认证
中国计量器具形式批准证书
本质安全：欧洲ATEX-II 2 G EEx ia d IIC T4
中国煤安认证（申请中）
产品规格
尺 寸 12.2*6.9*3.6cm
重 量 292g
防护等级 IP64
相对湿度 15-90%（非冷凝）
工作温度 -20到50摄氏度
读数方式 LCD液晶显示直读
报警指示 光：红色LED
声：蜂鸣声95dB
振动：内置振动器
报警读数 实时浓度、峰值、TWA和STEL浓度
电 池 可充电锂电池，大约20小时
数据记录内存 60，000个数据点或6个月的数据记录
PC 通 讯 红外端口，兼容IrDA
传感器参数
传感器 一氧化碳 硫化氢 可燃气体 氧气
检测范围 0-1500ppm 0-200ppm 0-5%vol甲烷 0-25%vol
精度 1ppm 1ppm 1%LEL 0.1%vol
报警值 35ppm 10ppm 10%LEL 低19.5%，高23%
STEL报警 200ppm 15ppm N/A N/A
TWA 报警 35ppm 10ppm N/A N/A
Product descrtption
The 740 is a durable, easy portable multi gas detector, isused in dangerous environment and confined space entry to the best choice for detection; simultaneous detection ofup to 4 gas: gas, oxygen, carbon monoxide, hydrogen sulfide.
Main features
Full Chinese menu display, all the operation becomes easy and natural
The sensor group design pre calibrated, provide value-added services
Strong data management function, large storage capacity,can record up to six months of data; meet the safety ringpersonnel management needs
High performance rechargeable lithium battery, long time use
Wireless infrared transmission, avoid connecting line, such as a memory card lost trouble
The alarm can be adjusted according to the site environment, users can adjust the
Large screen background lights, humanized design, finemanifests the product use comfort
Authentication
The certificate of approval of measuring instrumentsChinese form
Safety: the European ATEX-II 2 G EEx ia D IIC T4
Chinese security certification (application)
Product specifications
Dimension 12.2*6.9*3.6cm
Weight 292g
Protection class IP64
Relative humidity 15-90% (non condensing)
Working temperature: -20 degrees Celsius and 50 degrees Celsius
Reading LCD LCD display reading
Alarm indicator light: red LED
Beep sound: 95dB
Vibration: built-in vibrator
Alarm readings in real time, peak concentration, TWA and STEL concentration
Battery rechargeable lithium battery, about 20 hours
Data recording memory 60000 data points or 6 months of data records
PC communication infrared port, compatible with IrDA
The sensor parameters
Carbon monoxide hydrogen sulfide gas oxygen sensor
0-1500ppm 0-200ppm 0-5%vol 0-25%vol methanedetection range
The accuracy of 1ppm 1ppm 1%LEL 0.1%vol
The alarm value of 35ppm 10ppm 10%LEL 19.5%, 23%
STEL alarm 200ppm 15ppm N/A N/A
TWA alarm 35ppm 10ppm N/A N/A
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