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差压气压开关
$11.00 - $11.00
PSN40-400A differential pressure switch is used for fan status and dirty filter applications. A knob with pressure values on it allows the setpoint to be adjusted visually in the field. The plastic duct probe tubes, flexible silicon tubing and the mounting screws are included with all models.
产品亮点：
- On/off dry max contact rating, 250V, 0.4 amps.
- Easy to adjust the set point using the scaled adjustment knob.
- Dial includes both ‘in WC’ markings as well as Metric marks in Pascals.
- Silicon tubing will not become brittle over time and at low temperatures.
- Comes with everything you need: switch, pipes & tubes, screws.
可用选项：
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压力传感器
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Notice: Temporary price increase of ~$8USD due to the global CPU shortage Accept our apologies, we’re not sure how long this will last but it could be a couple months
压力监测器用于在+/- 1“wc满量程，+/- 8”wc，0〜100 PSI，0〜250 PSI范围内测量压差。它结合了高精度，高灵敏度硅感应功能和最新的ASIC技术，大幅降低因温度变化，预热稳定性，长期不稳定性和位置灵敏度造成的偏移误差。通过RS485的BACnet MS / TP和Modbus RTU协议，带有以太网端口。
