小量气压传感器 小量程气压变送器
Small range air pressure transducer
芯 片:
进口型微压压力芯片,最少压差100Pa;
3-5倍耐压,适用于干燥性气体压差测量;
零点、满度,温补、线性补偿;
高阻抗、高精度、高稳定性;
100万次使用寿命以上;
信号处理及输出:
24位ADC采样处理芯片;
DSP数字信号调理算法;
多点性线温度校准;
电压电流过载保护;
标准工业信号输出:4-20mA(二线制),0-20mA(三线制),0-5VDC,0-10VDC,0.5-4.5VDC(三线制);
数字通讯信号输出:RS485-RTU、超低功耗RS485-RTU
采用先进的32bit微处理器和24bit ADC
传输协议采用通用的MODBUS-RTU协议
支持波特率:1200~57600bps,校验位:NONE、ODD、EVEN
支持用户二次校准、清零、反清零、恢复出厂等操作
支持11种单位切换,支持浮点型、整型、百分比、格式化输出
采集间隔0~43200秒(12小时)可设,既可连续采集,满足高速采集的场合,也可单次触发采集,最大限度降低功耗
数字通讯信号输出:Can2.0B
测量速率:10...1000Hz 可设置,默认50Hz
CANopen输出内置 完整的 CANopen 协议栈,符合 DS301、DS404 规范,支持 LSS 服务,支持 BootLoader 在线 升级;
支持波特率(kbps)20/50/100/125/250(默认)/500/800/1000;支持特性 NMT/Heartbeat/SDO/PDO/LSS/Bootloader;CANopen 协议栈可以根据用户的要求进行定制;
J1939输出内置 J1939 协议栈,可以自由配置 PGN、SPN 以及 NAME,支持 BootLoader 在线升级;
支持波特率(kbps)20/50/100/125/250(默认)/500/800/1000
;支持特性PGN、SPN、NAME等自由配置
,J1939 协议栈可以根据用户的要求进行定制;
结 构:
铝合金氧化外壳;8mm+M10快速插头过程连接;
结构小,紧线螺母防水出线方式电气连接;
配套四/五芯屏蔽电缆;
应 用:
负压、无尘车间、科室等压力测量与监控;
楼宇、通风等压力测量与监控;
吸尘管道,废气处理等压力测量与监控;
Chip:
The minimum differential pressure is 100Pa;
3-5 times withstand voltage, suitable for dry gas differential pressure measurement;
Zero point, fullness, temperature compensation and linear compensation;
High impedance, high precision and high stability;
More than 1 million times of service life;
Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
Standard industrial signal output: 4-20mA (two-wire system), 0-20mA (three wire system), 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);
Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32 bit microprocessor and 24 bit ADC are adopted
The transmission protocol is MODBUS-RTU
Support baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory operations
Support 11 kinds of units switching, support floating point, integer, percentage, formatted output
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to
minimize power consumption
Digital communication signal output: CAN2.0B
Measurement rate: 10... 1000Hz can be set, the default is 50 Hz
CANopen output built-in complete CANopen protocol stack, in line with ds301, ds404 specifications, support LSS services, support bootloader online upgrade;
Support baud rate (kbps) 20 / 50 / 100 / 125 / 250 (default) / 500 / 800 / 1000; support features of NMT / heartbeat / SDO / PDO / LSS / bootloader; CANopen protocol
stack can be customized according to user requirements;
J1939 output has built-in J1939 protocol stack. PGN, SPN and name can be configured freely, and bootloader online upgrade is supported;
Support baud rate (kbps) 20 / 50 / 100 / 125 / 250 (default) / 500 / 800 / 1000; support free configuration of features such as PGN, SPN and name
The J1939 protocol stack can be customized according to the user's requirements;
Structure:
Aluminum alloy oxidation shell; 8mm + m10quick plug process connection;
Small structure, tight wire nut waterproof, electrical connection;
Supporting four / five core shielded cable;
Application:
Pressure measurement and monitoring of negative pressure, dust-free workshop, Department, etc;
Pressure measurement and monitoring of buildings, ventilation, etc;
Pressure measurement and monitoring of dust collection pipeline, waste gas treatment, etc;
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天然气管道
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