Pressure Sensors
YRD04-YL-NB
Wireless Pressure Transmitter

Product Overview
The YRD04-YL-NB intelligent wireless pressure transmitter integrates wireless communication with a built-in battery and wide-temperature LCD display. Precision digital temperature compensation and non-linear correction ensure high accuracy and stability. It supports wireless alarm reporting to servers, battery level monitoring with low-battery alerts, and wiring-free installation.
Key Features
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ZigBee/NB-IoT/GPRS wireless transmission
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Battery powered, wiring-free
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SFTN wide-temp LCD, 5-digit display
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Report interval 1β1440 min configurable
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Precision digital temperature compensation
Technical Specifications
| Range | -100 kPaβ¦0 to 10 kPaβ¦200 MPa |
|---|---|
| Pressure type | Gauge, absolute, sealed gauge |
| Accuracy | Β±0.5%FS (max) |
| Communication | ZigBee / NB-IoT / GPRS |
| Communication range | β₯200 m |
| Supply | 3.6 V lithium battery |
| Report interval | 1β1440 min configurable |
| TX power | <23 dBm |
| RX sensitivity | <-135 dBm |
| Display | SFTN LCD, white backlight, 5-digit |
| Housing/Sensor | Explosion-proof cast aluminum / 316L SS |
| Protection | IP65 |
Typical Applications
Remote network pressure monitoring
Fire system pressure monitoring
Oilfield wellhead pressure
Remote unpowered sites
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