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MD-S271L wireless liquid level sensor
IP68 waterproof structure, with installation bracket, built-in antenna and lithium battery waterproof wireless liquid level gauge
Product details
The development of the MD-S271L series wireless liquid level sensor is aimed at meeting the monitoring needs of rainwater/sewage pipelines for water level. It has the characteristics of high waterproof level, built-in antenna, and built-in lithium battery.
This series of products is a liquid level measuring instrument with multiple wireless transmission methods, including 4G/LORa/NB iot with multiple transmission options.
Built in high-precision liquid level sensor, equipped with LCD display screen, polyurethane cable and immersion liquid level probe, easy and reliable installation, good waterproof performance.
This series of products has various auxiliary functions such as low liquid level alarm, liquid level fluctuation alarm, Bluetooth configuration, etc.
MD-S271L-4G is a wireless digital sensor with 4G transmission, which relies onChina Mobile's mature 4G network enables uploading of on-site water levels or reservoir water levelsTo the cloud. Users can match IP addresses and other common parameters on-site or remotely.
MD-S271LR is a wireless digital sensor for LORa transmission, used in conjunction with LORa gateway, with advantages such as low power consumption, long transmission distance, strong signal penetration, and self-organizing network.
MD-S271L-NB is a wireless digital sensor with NB iot transmission, which adopts NB iot technology and has the advantages of low power consumption, high transmission efficiency, and low cost.
This series of products has passed protection performance testing and low temperature resistance testing.
Technical Features
☆ Used for water level measurement in sewage/rainwater pipelines, rivers and lakes
☆ Low power design, built-in lithium battery power supply, 1-4 high-capacity lithium batteries can be configured according to needs
☆ Built in antenna design, IP68 waterproof
☆ 4G/LORa/NB iot with multiple wireless transmission options to choose from
☆ Input type liquid level probe combined with polyurethane liquid level dedicated cable, with strong medium compatibility
Functional Description
☆ Low liquid level alarm, instant message transmission
☆ Liquid level fluctuation alarm
☆ Bluetooth debugging function
☆ Remote configuration or key setting of IP address, alarm point, upload frequency, etc. (4G/NB)
Equipped with a gateway, it can achieve liquid level monitoring within the local area network (LORaWAN type)
Range 0-1... 2... 5... 10... 50m liquid level
Overload pressure 200% FS
Transmission method: 4G/LORaWAN NB iot
Display and backlight built-in display screen, convenient for debugging
Accuracy level 0.5
Power supply voltage 3.6V lithium battery (can be configured with 1-4 cells)
Long term stability 0.25% FS/year
Working temperature -20~60 ℃
Compensation temperature -20~60 ℃
Electrical protection against electromagnetic interference
The default sampling rate is 3 seconds per time (1-60 adjustable)
The upload speed can be set between 1-1440 minutes
Alarm point setting: High and low alarm points can be set across the entire range
Data configuration button configuration or remote configuration
Cable material: polyurethane material
Shell material: Nylon material
Probe material: 304 stainless steel
Safety certification C E certification Low temperature resistance test Waterproof level test
Explosion proof grade ExibIIBT4
Installation bracket lithium battery user manual
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