型号:PT500-805
进口型微压差压力芯片,最少压差100Pa;
智慧消防
智慧城市
天然气管道
送风系统
供气系统
供气管道
数显差压变送器 PT500-805
测量介质:干燥性气体
压力形式:差压/表压
量 程:
0~100、200、300、500、1000(Pa);
0~1、2、3、5、10、20、30、40、50、70、100(KPa);
-100KPa~-10KPa~0~100(KPa);
±500Pa~±100KPa;
静压(耐压):3~5倍量程
综合精度:±0.25%FS;±0.5%FS;±1%FS
非 线 性:≤0.5%FS
重 复 性:≤0.25%FS
输出信号:
电流型:4~20mA二线制;
电压型:0~5VDC、0~10VDC三线制
数字型:RS485-RTU
混合型:RS485-RTU+4~20mA
四位LED显示,显示范围:-1999~9999,采样速率:10次/S
供电电压:24VDC(9~30VDC)
寿 命:≥100万次
绝缘阻抗:≥1000 MΩ/100VDC
负载阻抗:电流输出: ≤800Ω;电压输出:≥50KΩ
介质温度:-20~70℃/
环境温度:-20~70℃
补偿温度:0~60℃
响应时间:≤3mS
过载压力:150%FS
破坏压力:3倍量程(量程小于40MPa);2倍量程(量程大于41MPa)
电气连接:防水紧线螺母直接出线,可配套防爆电气连接
防护等级:IP65/IP68
连接电缆:紧线螺母,标准长度:3米
连接材料:铝合金
过程连接:φ8快速插头+M10螺纹(通用)……可用户制订规格
Measuring medium: dry gas
Pressure type: differential pressure / gauge pressure
Range:
0~100、200、300、500、1000(Pa);
0~1、2、3、5、10、20、30、40、50、70、100(KPa);
-100KPa~-10KPa~0~100(KPa);
±500Pa~±100KPa;
Static pressure: 3-5 times of the range
Comprehensive accuracy: ± 0.25% FS; ±0.5%FS; ±1%FS
Nonlinear: ≤ 0.5% FS
Repeatability: ≤ 0.25% FS
Output signal:
Current mode: 4 ~ 20mA two wire system;
Voltage type: 0 ~ 5VDC, 0 ~ 10VDC three wire system
Digital type: rs485-rtu
Hybrid: rs485-rtu + 4 ~ 20mA
Four LED display, display range: - 1999 ~ 9999, sampling rate: 10 times / s
Power supply voltage: 24 VDC (9 ~ 30 VDC)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω; Voltage output: ≥ 50K Ω
Medium temperature: - 20 ~ 70 ℃/
Ambient temperature: - 20 ~ 70 ℃
Compensation temperature: 0 ~ 60 ℃
Response time: ≤ 3MS
Overload pressure: 150% FS
Failure pressure: 3 times of the measuring range (the measuring range is less than 40MPa); 2 times of measuring range (measuring range greater than 41mpa)
Electrical connection: Waterproof tight wire nut direct outlet, supporting explosion-proof electrical connection
Protection grade: IP65 / IP68
Connecting cable: tightening nut, standard length: 3M
Connection material: aluminum alloy
Process connection: φ 8 quick plug + m10thread (general)... User can make specification