1.description Pl40 is a 2-wire 4-20mA liquid level sensor, which is composed of a transmitter and a sensor box. A 3-core shielded ventilation cable connects the two components. The transmitter is a submersible type (IP68), completely assembled part, the shell material is SUS316L, and a capacitive ceramic sensor is used. The sensor box is encapsulated in the seawater resistant stainless steel scs13 shell (IP66), which can be installed in the protection area to prevent damage affected by waves, or installed in the seawater resistant stainless steel scs14 shell (IP67), equipped with stainless steel hose, which can be installed on the deck. The pl40 can be manufactured according to different programming ranges for liquid level and pressure measurement. Using a suitable bracket, the transmitter of pl40 can be immersed or installed in the cabinet, or a suitable flange side mount can be used. 2. application Pl40 has been developed for tank level measurement, such as ballast, fuel oil, lubricating oil, fresh water, chemicals, etc., as well as cargo draft measurement and pressure measurement. 4. Technical specifications 3.transmitter range ● instrument level measurement Measurement type measuring range permitted Overload measuring range permitted Overload 0~100mbar 4bar 0~4bar 25bar 0~200mbar 6bar 0~10bar 40bar 0~400mbar 6bar 0~20bar 40bar 0~1bar 10bar 0~40bar 60bar 0~2bar 18bar 0~70bar 105bar 4.2 working environment ● operating temperature -Transmitter: - 40 ℃ ~ + 70 ℃ (intrinsically safe application) -40 ℃ ~ + 100 ℃ (Application in safety zone: polyethylene cable) -40 ℃ ~ + 120 ℃ (Application in safety zone: FEP (rubber) cable) -Sensor box: - 40 ℃ ~ + 70 ℃ (intrinsically safe application) -40 ℃ ~ + 100 ℃ (safety zone application) 4.3 environment ● degree of protection -Transmitter: IP68 (10bar) -Sensor box: deck mounted stainless steel sensor box: IP67 Indoor stainless steel sensor box: IP66 ● intrinsically safe for use in hazardous areas - II 1 G/D Ex ia IIC T6 DNV-2008-OSL-ATEX-XXXX IP67/IP66 -40°C≤Ta≤+70°C Ui=28V Ii=93mA Pi=0.65W Ci≤20nF Li≤100 μ H 4.4 accuracy ● reference accuracy: ± 0.20% F.S. (20 ℃), including repeatability, hysteresis and nonlinearity. ● temperature drift: -Between - 20 ~ + 80 ℃: ± 0.80% FS, 0.008% per degree -Above + 80 ℃ and below - 20 ℃: ± 0.025% FS per degree
