HL21 LCD Cooling Tower Sanitary Flush Diaphragm Pressure Transmitter

Used in biological engineering, medicine, dairy, food & beverage, coating and paint detection system.
Pressure range from 10kPa~2.5Mpa
Optional output 4~20mA
LED digital display
316L flush diaphragm structure adopted for pressure connection
Sanitary, anti-fouling
With cooling tower, excellent performance for high temperature medium application
Optional output signal, can be customized
Wetted parts stainless steel

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Model:
HL21
Brand:
ZYZL
Code:
ZYZL-HL21

Sanitary Pressure Transmitter Food Sanitary Pressure Transmitter Beverage Sanitary Pressure Transmitter Surface roughness Ra≤0.4μm Suitable for SIP/CIP 3A Requirement Anti-clogging Sensor Flush Diaphragm Pressure Transmitter Cooling Fan Pressure Sensor High Temperature Application

Description

Specifications

Dimensions

Ordering Code

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Introduction of Pressure Transducer

ZYZL-HL21 Flush Diaphragm Pressure Transmitter has the pressure chamber which is made of single complete stainless steel piece, and all-metal sealing structure.

Stainless steel flush diaphragm can effectively present clogging.The pressure transmitter uses ZYZL's silicon oil filling technology and has specially designed structure.

It adopts the overall digital calibration and temperature compensation. ZYZL-HL21 pressure transmitter widely used in food processing industry.

Applications

- Food & Beverage

- Biological Engineering

- Measure and control of petroleum

- Chemi-industry

- Pharmaceutical manufacturing

Features

- Pressure Range：from 0-10 kPa to 0-2.5 MPa

- Fullfil for 3A requirements

- Sensor fully welded

- Surface roughness Ra≤0.4μm

- Suitable for SIP/CIP

Sensor technology	Piezoresistive silicon
Pressure range	Minimum 10 kPa, Maximum 2.5 MPa
Accuracy（25℃）	0.2%FSO(standard),0.1%FSO(option)
Zero thermo drift	≤0.02% of FS per ℃
Span thremo drift	≤0.02% of FS per ℃
Long term drift	0.2% of FS per year
Turn down	10:1
IP protection	IP67 EN60529
Temperature	Compensated range	Enviroment temperature	Storage temperature
	-20-85℃	-20-70℃	-40-85℃
Medium temperature	Without cooling tower: -40-120℃ With cooling tower:-40-200℃
Output signal	4-20mA 2-wire
Supply voltage	10.5-30VDC (24VDC recommend)
Load in Ω	RL≤(Us-10.5V)/21mA
Vibration resistance	10g, 25Hz…2kHz
Shock resistance	500g ,1mS
Insulation resistance	＞2 0MΩ at 100VDC
Process connection	Please refer the ordering code
Service life	10 million load cycles
Electric protection	≤10mS
Electric protection	Reversed polarity	Over voltage	Short circuit
	"+" and "-"	50VDC	Protected
Digital display	LCD

Dimensions in mm

Connection pins

Process connection dimensions(mm)

HL21 Series
Pressure type	G	Gauge pressure
Pressure type	A	Absolute pressure
Pressure range	XXX	Please refer the range in Page 2
Output signal	1	4-20mA 2-wire
Accuracy	2	0.2%FSO
Accuracy	1	0.1%FSO
configuration	1	Bottom
configuration	2	Back
Connection material	L	316LSS
Connection material	H	HaC
Process connnection	1	1.5” Tri- Clamp
	2	2”Tri- Clamp
	3	DN32 DIN32676
	4	DN40 DIN32676
	5	DN50 DIN32676
	6	DN50 ISO2852
	7	DN50 ISO2852
	8	DN50ISO2852
	A	DN25 DIN11851
	B	DN40 DIN11851
	C	DN50 DIN11851 1.5”
	D	SMS with union nut
	E	2“ SMS with union nut
Cooling tower	0	Without
Cooling tower	1	With