Brief introduction:

The HQ-3051 intelligent pressure transmitter adopts high-performance pressure sensing chips, combined with advanced circuit processing and temperature compensation technology, to convert pressure changes into linear current or voltage signals. The product has HART communication and communication and self diagnostic functions. Users can use handheld terminals or fieldbus systems to remotely transmit, read, display, and input all working and additional information of the transmitter

Zero point and range adjustment:

The zero point and range adjustment of the transmitter can be carried out on-site through the buttons of the transmitter itself; It can also be remotely adjusted through a handheld terminal. The specific method is to apply zero pressure and stabilize it, while holding down the Z and S keys (Z is for zero adjustment, S is for range adjustment) for 5 seconds and releasing them. Press the Z key for 2 seconds to adjust the zero point, and after the full range pressure is stabilized, press the S key for 2 seconds to adjust the full range. Note: The zero calibration adjustment range is ± 8% of the pressure range, and the range calibration range is 30% to 100% of the pressure range, which is continuously adjustable. After adjustment, cover the sealing cover and tighten it.
Product Selection

HQ3051 Port S Port P Port C Port V Port Intelligent Pressure Transmitter
HQ3051	Intelligent pressure transmitter
	opening	Measurement form (indicate range)
		G、 Gauge pressure A、 Excellent pressure B、 Sealing pressure (indicate reference pressure value)
		range	1 2 3 4 5 6 7 8 9	0-0.6~ 6KPa 0-4~40KPa 0-40~200KPa 0-160~700KPa 0-0.4~2.0MPa 0-1.6~7.0MPa 0-4~20MPa 0-4.0~40MPa 0-10-60MPa
		opening		Membrane material
				K、 Diffuse silicon (default) T, ceramic piezoresistive P、 Ceramic capacitor
				E mouth	output signal
					1. Two line system (4-20) mA 2. HART protocol output 3. 1-5V low power consumption 4. Other notes
					A mouth	accuracy
						1. 0.1 2. 0.25 3. 0.5
						C mouth	Process connection method
							1External threadM20×1.5(default),2External threadG1/2，3External threadNPT1/2 ，4Flat film, 5Other notes
							Dopening	Display mode
								1、 No display (default),2、0～100%Linear indication,3、LCDDigital range display (LCD),4、LCDdigit0～100%Display (LCD), 5、LEDdigit0～100%Display (digital tube)
								R mouth	other
									1Intrinsic safety type,2Explosion proof type,3Damping,4User agreement