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HVAC pressure sensor AKS series for HVAC system pressure control
Pressure sensor is to make pressure into electrical signal output.
Often the pressure measuring instrument in the electrical measuring
instrument called pressure sensor.
◆ pressure sensor generally by the elastic sensing element and the
displacement sensor (or strain gage) composition. The role of the
elastic sensing element is to make the measured pressure on a
certain area and converted to displacement or strain, and then by
the displacement sensor or strain gauge into a certain relationship
with the pressure of the electrical signal. Sometimes the function
of these two components in one set, such as piezoresistive sensors
in the solid-state pressure sensor.
◆ pressure is the production process and aerospace, aviation,
defense industry in the important process parameters, not only need
to carry out rapid dynamic measurement, but also the results of the
measurement for digital display and record. The automation of large
refineries, chemical plants, power plants and steel plants also
requires long-distance transmission of pressure parameters and
requires the conversion of pressure and other parameters such as
temperature, flow, viscosity, etc. into digital signals into the
computer. So the pressure sensor is highly valued and the rapid
development of a sensor.
◆ The development trend of pressure sensor is to further improve
the dynamic response speed, accuracy and reliability, as well as
the realization of digital and intelligent.
◆ pressure sensors are commonly used capacitive pressure sensor,
variable reluctance pressure sensor, Hall-type pressure sensor,
optical fiber pressure sensor, resonant pressure sensor.
Alternative Products:
AKS3000 series of pressure sensors can be used AKS33 series
performance similar to the sensor to replace. Specific models can
refer to the company's Web site on the expansion valve-related
information or contact the company's technical staff advice.
◆ AKS3000 is a sensor in a series of products, with a high
intensity of the limited current output, designed to fully meet the
requirements of air conditioning and refrigeration
◆ AKS3000 has been proven piezoresistive measurement principle, the
measurement method in the pressure sensor has been applied for
several decades of history
◆ The reference pressure is taken from a sealed pressure chamber so
that changes in atmospheric pressure do not affect the accuracy of
the measurement. This is necessary to ensure the accuracy of the
low voltage measurement
◆ All materials in contact with the refrigerant and the sensor
shell are used AISI 316L stainless steel, and all sealed interfaces
are laser welding, and no any soft gasket
◆ The output of AKS 3000 is 4 ~ 20mA, with 2m cable, socket or DIN
43650 plug
Product Features:
Designed to meet air conditioning and cooling requirements, while
ensuring the control accuracy
Can withstand the following environmental conditions:
◆ Vibration
◆ impact in the movement and transportation
◆ Moisture and ice system
◆ temperature changes
Corrosive media such as ammonia and salt spray
Appropriate performance:
◆ 4 ~ 20mA output signal
◆ Accuracy 1%
◆ Linearity 0.5%
◆ Suitable for high pressure refrigerant
◆ Bar codes are used to track calibration data
Certification:
◆ UL
◆ EMC mark in line with the CE
Complete ideal structure
◆ Compact design
◆ maximum working pressure of 33bar
◆ Temperature compensation function for suction pipe
◆ For the suction pipeline in the -10 ℃ ~ +20 ℃ degree range with
the best accuracy
◆ 1/4 ~ 18NPT, G3 / 8A or 1/4 bell to ensure the tightness
◆ AISI 316L stainless steel shell using laser welding, no soft
gasket
Package: Protection class IP65 Plug type, degree of protection IP67
Cable type
application:
◆ fan speed control
◆ High pressure control
Compressor refrigeration capacity control
◆ evaporation pressure detection
◆ Oil pressure control
AKS32 and AKS33 are used to measure the pressure and convert the
measured pressure to a standard signal:
◆ AKS32: 1 ~ 5V DC or 0 ~ 10V DC voltage output
◆ AKS33: 4 ~ 20mA current output
AKS-based sensor design makes it perfect for many applications:
◆ air conditioning system
◆ Refrigeration equipment
◆ Process control
◆ Laboratory
Product Features:
High-performance sensors mean high-precision pressure measurement
and regulation, which is a very important factor for accurate and
economical operation of the refrigeration unit
◆ Temperature compensation for LP (low pressure) and HP (high
pressure) pressure sensors developed specifically for refrigeration
units:
LP (low pressure): - 30 ℃ ~ +40 ℃ (_16bar)
HP (high pressure): 0 ℃ ~ +80 ℃ (> 16bar)
◆ Compatibility of all refrigerants, including ammonia, means less
spare parts storage and greater application flexibility
◆ Built-in voltage regulator, AKS pressure sensor can be used
within a certain range of any unadjusted power supply
◆ effective anti-moisture protection so that the sensor can be
installed in very harsh environments, such as in the ice-covered
suction pipe
Rugged construction The sensors are protected against mechanical
effects such as shocks, vibration and pressure fluctuations. AKS
type sensors can be mounted directly on field devices
◆ no need to adjust the application of highly developed sensor
technology and instrument sealing mechanism, the factory setting
accuracy from ambient temperature and atmospheric pressure changes,
which in air conditioning and refrigeration applications to ensure
that the evaporation pressure control is very important
◆ EMC protection, in line with EU EMC standards (CE mark)
◆ UL certification
◆ Polarity protection input
pressure sensor | ||
pressure range bar | Maximum operating pressure bar | Code No. |
G3/8A | ||
At -10 / + 20 ℃ Calibration | ||
-1~6 | 33 | 060G1040 |
-1~12 | 33 | 060G1058 |
At + 20 / + 60 ℃ Calibration | ||
0~25 | 50 | 060G1041 |
0~40 | 100 | 060G1066 |
0~60 | 100 | 060G1067 |
pressure sensor - electronic expansion valve | ||||
AKS 32,1~5V output | ||||
Operating range bar | Maximum operating pressure bar | Temperature compensation range ℃ | Code No. | |
G3/8A | ||||
Low pressure | -1~6 | 33 | -30~+40 | 060G2004 |
-1~12 | 33 | -30~+40 | 060G2005 | |
high pressure | -1~20 | 40 | 0~+80 | 060G2006 |
-1~34 | 60 | 0~+80 | 060G2007 | |
AKS 32,0~10V output | ||||
Operating range bar | Maximum operating pressure bar | Temperature compensation range ℃ | Code No. | |
G3/8A | ||||
Low pressure | -1~6 | 33 | -30~+40 | 060G2038 |
-1~12 | 33 | -30~+40 | 060G2036 | |
high pressure | -1~20 | 40 | 0~+80 | 060G2037 |
-1~34 | 60 | 0~+80 | 060G2079 | |
AKS 33,4~20mA output | ||||
Operating range bar | Maximum operating pressure bar | Temperature compensation range ℃ | Code No. | |
G3/8A | ||||
Low pressure | -1~5 | 33 | -30~+40 | 060G2108 |
-1~6 | 33 | -30~+40 | 060G2104 | |
-1~9 | 33 | -30~+40 | 060G2111 | |
-1~12 | 33 | -30~+40 | 060G2105 | |
high pressure | -1~20 | 40 | 0~+80 | 060G2106 |
-1~34 | 55 | 0~+80 | 060G2107 | |
0~16 | 40 | 0~+80 | 060G2109 | |
0~25 | 40 | 0~+80 | 060G2110 |