Fire water level sensor, fire water tank level gauge

Description :

　　Fire water level sensor, fire water tank level gauge - HR8000 series

　　HR8000 intelligent fire water level sensor fire water tank level gauge is an input type liquid level measuring instrument that realizes full range digital linear correction, full temperature zone digital temperature error compensation, compensation parameters stored in non-volatile memory, and multiple safety protection mechanisms to avoid product failure due to calibration parameter loss; The circuit module is equipped with power monitoring and watchdog monitoring functions, and the immersion structure is fully sealed with stainless steel, greatly improving the reliability of the product.

　　The product series is rich and widely used for liquid level measurement in industries such as industrial processes, hydrology and water conservancy, and geological exploration.

　　HR8000 Fire Water Level Sensor Fire Water Tank Level Gauge Series Main Features

　　High quality silicon piezoresistive measuring components

　　Digital compensation, no offset caused by mechanical vibration potentiometer

　　Power reverse protection and overvoltage protection

　　Anti surge and electromagnetic interference

　　All stainless steel sealed structure, IP68 protection

　　Technical parameters of fire water level sensor and fire water tank level gauge

　　Main performance indicators

　　Measurement accuracy ± 0.1% F · S, ± 0.25% F · S, ± 0.5% F · S

　　Range 0-10 mH2O... 300 mH2O (customized for other ranges)

　　Long term stability 0.2% F · S/year (>20 meters)

　　0.1% F · S/year (≤ 20 meters)

　　Overload capacity 2X F · S

　　Load capacity (U-9)/0.02 (Ω)

　　temperature characteristic

　　Compensation temperature: 0-70 ℃

　　Working temperature -10~80 ℃

　　Temperature drift zero: 0.01% F.S/℃

　　Full range: 0.01% F.S/℃

　　Storage temperature -40~125 ℃

　　Electrical Characteristics

　　Supply voltage DC12-30V (typical 24V)

　　Power protection against reverse connection and overvoltage protection

　　Output mode two-wire system 4-20mA

　　structural characteristics

　　Measurement medium compatible with stainless steel and fluororubber

　　Pressure interface stainless steel protective cap or G1/2, M20 * 1.5 external thread

　　Shell material: Stainless steel 1Cr18Ni9Ti, 316L optional

　　Cable material: polyvinyl chloride or polyurethane

　　environmental characteristics

　　Protection level IP68

　　Explosion proof grade Exia Ⅱ C T6

　　Insulation 100M Ω @ 50V

　　Vibration 20g, 20-5000Hz

　　Impact 20g, 11ms

　　Fire water level sensor, fire water tank level gauge, electrical connection

　　Two wire 4-20mA current loop interface, powered by DC24V power supply, with the red wire connected to the positive pole of the power supply, the blue wire connected to the negative pole of the power supply, and the shielding layer grounded.

　　Definition of Serial Number Line Color

　　1 Red DC24V+

　　2 Blue 4-20mA output (GND)

　　Typical application of fire water level sensor and fire water tank level gauge

　　Figure 1 4-20mA application

　　Fire water level sensor, fire water tank level gauge, mechanical structure (size unit: mm)

AfterSalesService :

• Fire water level sensor
• fire water tank liquid