HDL300 liquid level transmitter is based on the principle that the measured static pressure of the liquid level is proportional to the height of the liquid. It uses the diffusive silicon piezoresistive effect to convert the pressure into an electrical signal. After temperature compensation and linear calibration, it is converted into a standard Current, voltage, RS485 and other signal outputs can be directly connected to PLC / DSC, display instruments, computers, etc. Has good stability and reliability. The OEM oil-filled core is enclosed in a stainless steel housing. The front-end protective cap plays a role in protecting the diaphragm of the sensor, and can also make the liquid smoothly contact the diaphragm. The waterproof wire is hermetically connected to the shell, and the vent pipe is connected to the outside in the cable. Anti-condensation design of internal structure. HDL300 has a built-in micro signal processing circuit for remote transmission. HDL300 is widely used for liquid level measurement and control in the fields of environmental protection, water conservancy, variabl
| Technical Parameters | |
| Comprehensive accuracy | ±0.5%F.S(0.25%FS or 0.1%FS customized) |
| Response time | 5ms (up to 90% FS) |
| Medium temperature | Well water, fire water tank, river water, tap water, etc. |
| Medium temperature | 20~+60ºC |
| Warranty period | 12 months |
| Overload capacity | 200%FS |
| Power supply | 9~30VDC(typical 24VDC) |
| Output signal | 4 ~ 20MA, 1 ~ 5V, 0 ~ 5V, 0 ~ 10V, RS485, switching value, etc |
| Housing material | 304 stainless steel probe, rubber wire |
| Process connection | Drop-in type, into the test liquid |
| Electrical Interface | Tight-line waterproof nut and five-core air-conducting cable |
| Sealing class | IP68 |
| Selection table | |||||
| Product category | |||||
| HDL300 | |||||
| Range pressure | |||||
| 1MH2O choose max 500MH2O according to user requirements | |||||
| Supply voltage | |||||
| V1:9-30VDC(default),V2:5VDC,V3:other | |||||
| Output signal | |||||
| B1:4~20MA(default) B2:0~10V B3:0~5V B4:RS485 communication B5:other | |||||
| accuracy | |||||
| G1:0.5%(default) G2:0.25% G3:0.1% | |||||
| Additional features | |||||
| K:compact I:Lightning protection function F:Anticorrosive function | |||||
| HDL300-3M V1 B1 G1 F Example:HDL300-3MH2O-V1-B1-G1-F Measuring range: 0-3m measuring water, power supply 9-30VDC, Output :4-20MA ,accuracy 0.5%,with anti-corrosion function | |||||