Products Description
The APT244 differential pressure transmitter adopts monocrystalline silicon sensor technology and is suitable for measuring the flow, liquid level, density and pressure of measured liquids, gases and vapors. It is a differential pressure measuring instrument with wireless data transmission function and battery-powered characteristics. The wireless transmission methods include SWSN and Lora, which respectively have the characteristics of ultra-low power consumption and super strong signal penetration.
Product Features
● High-precision monocrystalline silicon sensor
● Ultra-high overvoltage performance
● Local three-button setting
● ±0.075%FS accuracy
● Ultra-low power consumption
● Long battery life
● 5km LORA transmission
● 5-digit LCD display
● Dual sending modes
Product Specification
Pressure Range | -500 kPa ~ 0 ~ 10 MPa | ||||||
Resolution | 0.01 | ||||||
Reference Accuracy | ± 0.075% FS | ||||||
Wireless Transmission | GFSK SWSN; LoRa | ||||||
Data Upload Interval | 1 - 255s (GFSK); 1 - 255min (LORA) | ||||||
Equipment Operating Environment | -40 ~ 85 ℃; Humidity 0 ~ 95% relative humidity, no condensation | ||||||
Static Influence | ± 0.1% range / 10 MPa | ||||||
Stability | ± 0.1% upper limit / 5 years | ||||||
Protection Grade | IP66 | ||||||
Fixing Method | Fastened on 50mm (2-inch) pipe with U-bolt | ||||||
Weight | 3.0 ~ 3.2 kg | ||||||
Battery Parameters | Capacity 19000mAh, voltage 3.6V | ||||||
Transmission Interval | 0.25s | 1s | 2s | 5s | 1min | 2min | 10min |
Battery Life | 1 year | 3 years | 5 years | 10 years | 1 year | 3 years | 8 years |
Wireless Transmission | SWSN | SWSN | SWSN | SWSN | LoRa | LoRa | LoRa |
Product Dimensions

Product Features
● High-precision monocrystalline silicon sensor
● Ultra-high overvoltage performance
● Local three-button setting
● ±0.075%FS accuracy
● Ultra-low power consumption
● Long battery life
● 5km LORA transmission
● 5-digit LCD display
● Dual sending modes
Product Dimensions

Product Specification
Pressure Range | -500 kPa ~ 0 ~ 10 MPa | ||||||
Resolution | 0.01 | ||||||
Reference Accuracy | ± 0.075% FS | ||||||
Wireless Transmission | GFSK SWSN; LoRa | ||||||
Data Upload Interval | 1 - 255s (GFSK); 1 - 255min (LORA) | ||||||
Equipment Operating Environment | -40 ~ 85 ℃; Humidity 0 ~ 95% relative humidity, no condensation | ||||||
Static Influence | ± 0.1% range / 10 MPa | ||||||
Stability | ± 0.1% upper limit / 5 years | ||||||
Protection Grade | IP66 | ||||||
Fixing Method | Fastened on 50mm (2-inch) pipe with U-bolt | ||||||
Weight | 3.0 ~ 3.2 kg | ||||||
Battery Parameters | Capacity 19000mAh, voltage 3.6V | ||||||
Transmission Interval | 0.25s | 1s | 2s | 5s | 1min | 2min | 10min |
Battery Life | 1 year | 3 years | 5 years | 10 years | 1 year | 3 years | 8 years |
Wireless Transmission | SWSN | SWSN | SWSN | SWSN | LoRa | LoRa | LoRa |