冷剂检测系统(RDS)
可燃气体传感器
RDS R32
RDS R32 (Senseair 公司生产)
RDS(Refrigerant Detection System)R32是用于A2L类轻度可燃性制冷剂R32和R454 A/B/C的制冷剂泄漏检测传感器模块。模块外壳可以为传感器核心隔绝灰尘和水滴。该系统还内置加热元件,在寒冷环境下也可以工作。
系统可以使用Modbus协议将测量数据发送给控制系统。另外还配备了输出引脚,当检测的气体浓度达到设定的阈值时,就会激活数字输出信号。输出可以设置为数字PWM信号输出或者模拟线性输出。
特点
主要规格
Product name |
RDS R32 |
---|---|
Measured Gas | R32, R454A, R454B, R454C |
Product number | 009-3-0007: 24V 009-3-0008: 12V 009-3-0009: 5V |
Measurement range |
0 - 50% LFL |
Accuracy (*) |
±2.5% LFL |
Response time (**) |
<30s |
Power supply |
009-3-0007: 24V±10% VAC/DC 009-3-0008: 12V±10% VDC 009-3-0009: 5V±10% VDC |
Output | Digital signal (High/Low or PWM) or Analogue voltage or Analogue current. |
Communication(***) |
Modbus over RS-485 |
Dimensions |
113 x 65 x 40 mm |
Operation Temprature range |
-40 - 70℃ |
IP Rating |
IP66 & IP67 |
Compliance with IEC 60335-2-40 ed.7 |
yes |
Compliance with UL 60335-2-40 ed.4 |
yes |
[Notes]
* 0 - 25%LFL and -30 - 60℃, After 3 ABC period or 1 zero calibration
** When exposed to R32 with concentration 25% LFL or higher, and Detection Threshold Limit Value set to 10% of LFL (default factory setting)
*** 009-3-0009 Senseair RDS R32 5V is hardware configured for UART communication and digital output (no RS-485 or analogue outputs are available on this variant)
RDS R32
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关于 Senseair
于 2018 年成为旭化成微电子 (AKM) 集团一员的 Senseair,是非色散红外 (NDIR) 式气体传感器的供应商,一直致力于开发生产运用先进技术的气体传感器。