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Digital Oil Pressure Gauge 1/4 NPT Stainless Steel Short - Circuit Protection
The selection of pressure gauges should be based on the production
process requirements, and specific analysis should be made for
specific conditions. Under the premise of meeting the process
requirements, comprehensive and comprehensive consideration should
be made on the principle of economy. Generally, the following
issues should be considered:
The choice of type
The choice of instrument type must meet the requirements of process
production. For example, do you need remote transmission, automatic
recording or alarming; the properties of the measured medium (such
as the temperature of the measured medium, viscosity, corrosion,
degree of contamination, whether it is flammable or explosive,
etc.), or whether special requirements are placed on the instrument
or not? Environmental conditions (such as humidity, temperature,
magnetic field strength, vibration, etc.) requirements on the type
of instrument. Therefore, the correct selection of instrument type
according to the process requirements is an important prerequisite
for the normal operation of the instrument and safe production.
For example, spring tubes for common pressure gauges use copper
alloys (high-pressure alloy steels), and ammonia pressure gauge
spring tube materials use carbon steel (or stainless steel), which
does not allow copper alloys. Because ammonia and copper react
chemically and explode, ordinary pressure gauges cannot be used for
ammonia pressure measurements.
Oxygen pressure gauges and ordinary pressure gauges can be
identical in structure and material, except that oxygen pressure
gauges must be banned from oil. Because the oil into the human
oxygen system can cause explosions. Oxygen pressure gauges used in
the calibration can not use oil as working medium like ordinary
pressure gauges, and oxygen pressure gauges should strictly avoid
contact with oil during storage. If it is necessary to measure the
oxygen pressure using an existing oil pressure gauge, it must be
cleaned with carbon tetrachloride repeatedly before use and
carefully checked until there is no oil.
♦ Features
-- 4 digital LED display pressure, Accuracy≤0.5%
-- Three pressure units available ( Psi, Kgf/cm2 , Mpa)
-- Anti-electromagnetic interference design
-- Zero clearing with one button
♦ Typical Applications
• Machine Automation • Engineering Machinery
• Electromechanical Integration Equipment • Pump&compressor
• Hydraulic System • Medical project • Pipeline engineering
♦ Specification
Pressure range | General type:0~1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 60Mpa Micro type:0~0.2, 0.5Mpa Negative type: -0.1~0.1Mpa |
Pressure unit | MPa,kgf/cm2,PSI adjustable |
Overload pressure | 150% |
Accuracy grade | ±0.5%FS |
Power supply | 24VDC,220VAC,380VAC |
Sampling frequency | 10 times/sec |
Operating temperature | -20℃-80℃ |
Compensation Temperature | -10 ~60 ℃ |
Measurement medium | Gas, water, oil (compatible with 316 stainless steel) |
Electric protection | Short-circuit protection, reverse polarity protection, anti-electromagnetic interference design |
Pressure connector | M20*1.5 *for G1/2,G1/4 and other connector,please contact us first. |
Connector material | 304SS |
Optional module | RS485 Modbus Communication protocol |
Dial diameter | 80mm |
Shell material | ABS |
Mounting methods | Radial direction only |
Weight | 0.4Kg |