Adopting stainless steel integral components, imported elastic components, high-precision strain gauges, and advanced surface mount technology, it has high sensitivity, stable performance, and good impact resistance. 316 stainless steel fully sealed welding, with a compact and compact structure, good moisture resistance, and excellent medium compatibility.
Measurement medium: weakly corrosive liquid; A weakly corrosive gas.
Widely used for pressure measurement and control in industrial equipment, water conservancy, chemical, medical, power, air conditioning, diamond presses, metallurgy, vehicle braking, building water supply, etc.
This type of sensor is commonly referred to as: oil pressure sensor, oil pressure transmitter, hydraulic sensor, hydraulic transmitter, wind pressure sensor, wind pressure transmitter, air pressure sensor, air pressure transmitter, strain gauge pressure sensor, strain gauge pressure transmitter, piezoresistive pressure sensor, piezoresistive pressure transmitter, positive and negative pressure sensor, positive and negative pressure transmitter, pipeline pressure sensor, pipeline pressure transmitter, etc.

Main technical parameters
Range	-0.1～0～1～150(MPa)(The range can be customized according to the actual needs of the user)	Ultimate Overload	200%FS
comprehensive accuracy	0.1%FS、0.25%FS、0.5%FS、1.0%FS	response time	5 mS(rise to90%FS)
output signal	analog quantity 4～20mA(two-wire system)、0～5V、0～10V(Three-wire)Digital outputRS485(modbusProtocol, four wire system)	load resistance	Maximum current output type800ΩVoltage output type greater than50KΩDigital output based on the actual mounting capacity of the chip
Supply Voltage	24DCV(9～36DCV)	insulation resistance	greater than2000MΩ (100VDC)
medium temperature	-20～85～150~500 ℃, unless otherwise specified, it is at room temperature of 85 ℃ within	Sealing grade	IP65
ambient temperature	normal temperature(-20～85℃)	Long term stability performance	0.1%FS/year
Zero temperature drift	≤±0.05%FS℃	vibration effect	At the frequency of mechanical vibration20Hz～1000HzInternally, the output change is less than0.1%FS
temperature drift	≤±0.05%FS℃	electrical interface	Tightening nut, four flexible and thick core shielded wire, Hirschman plug, etc
compensation temperature	0~60℃	Mechanical connection (threaded interface)	G1/2、M20×1.5、M22×1.5Wait, other threads can be designed according to customer requirements
Safe Overload	150%FS	External dimensions	M20×Φ26×110mm, Based on actual dimensions

Example of selection guide (complete model: PTH503-30M-mA-0.5-M20-3M-P)
Model code	Measurement range	unit of measurement	output signal	comprehensive accuracy	mechanical connection	Wiring length	With temperature
PTH503	30	M	mA	0.5	M20	3M	P
	Indicate with actual numbers	M=(MPa)	mA=(4-20mA)	0.5=(0.5%FS)	M20=(M20X1.5)	3M=(3 meters)	Equipped with temperature function, it is designed for RS485 digital signal output products and defaults when not configured
		K=(KPa)	10V=(0～10V)	Indicate with actual numbers	M22=(M22X1.5)	Indicate with actual length
		P=(Pa)	5V=(0～5V)		M14=(M14X1.5)
		B=(Bar)	4V=(1～5V)		G1/2=(G1/2)
		mH=(mH20)	R=（RS485）		G1/4=(G1/4)
		mmH=(mmH20)	N=（NB-IOT）		NPT1/4
			G=（GPRS）		ZG1/4
			mV=（mV）		Mark with actual dimensions