Zoriver 数字显示压力表JS-120
可输出4-20mA真空表
JS-120 数字绝压表
JS-120 Digital Absolute Pressure Gauges
应用范围Application
数字绝压表主要用于监视或测量某些真空设备(如真空包装机械、监测冷凝压力和液体的蒸
气压力的设备等)中压力的仪表。
Monitoring of vacuum pumps, packing machines, determination of condensation pressure and vapour pressure in fluids;
数字绝压表既具有能现场读取压力值的功能,还能输出4~20mA标准信号,便于远程控制压力是指以压力零位(真空)作基准,高于压力零位的压力。
Acquisition and display of process values locally, also can transmit 4 ... 20 mA signal for remote control ;
压力值一般可用下式表示:
Absolute pressure means, the pressure over the absolute zero pressure;
压力值 = 真空度(负压)值 大气压力值
Absolute pressure= absolute zero pressure (minus) atmospheric pressure
产品特点Products Special Features
● 采用的高精度绝压传感器;
Installed with high accuracy absolute pressure transmitter:
● 精度较高,稳定性好;
High accuracy, better stability;
● 体积小,操作简单,读数方便;
Small volume, easy operation and reading;
● 有两种计量单位可供选择;(kPa/mbar)
Two units available: Kpa / mbar
● 低功耗: 超低功耗智能控制,采用标准AA/AAA 电池可连续工作一年;
Low Power Dissipation: ultra-low power dissipation intelligent control, powered by standard AA/AAA battery for continuous 1 year service.
● 若需要可供支持RS485 通讯接口。
RS485 communicate connection will be provided if required;
主要技术参数Main Specifications:
● 外壳直径 :120mm
Nominal size: 120 mm
● 工作温度:-20 ~ 60℃
Ambience: -20 ... 60℃;
● 量程:0~10/ 16/25/40/ 60/ 100 kPa abs
Scale range: 0-10/16/25/40/60/100kpa abs
● 精度:1.0 级
Accuracy: 1.0%
● 连接螺纹:20 × 1.5
Connection: 20X1.5
● 过压保护:≥ 量程的10 倍压力
Overpressure safety: 10 x full scale value
● 重量:0.8kg
Weight: 0.8kg
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