Search query: water level monitor

Product: Ultrasonic Water Tank Liquid Depth Level Meter Sensor with Temperature Display 3.3 Inch LED Display Supports Tank Liquid Level High/Low Alarm Description:
Keep an eye on your outdoor water tank from the comfort of your own living room, up to 100m away. Installed at the top of your water tank, the transmitter unit measures the water level using an ultrasonic sensor and temperature using a thermo sensor. You can hang the receiver unit on a wall or pull out the stand and place it on your kitchen bench top, table or desk. View your room's temperature, tank temperature and water level (represented by a 10 element bar graph). You can store min/max records and set alarms for specific water levels (high/low) or when empty.
Specification:
Indoor Temperature Range: 0~60
Outdoor Temperature Range: -40~60
Temperature Accuracy: ±1oC
Water Level Measure Rang: 0~15m
Resolution: 0.01m
Accurate: +/-0.03M
Transmission Frequency: 433MHZ
Transmission Range: 100 meters(300 feet)in open area
Transmission Interval: 30s when level changes or 3 minutes when level does not change
Receiver Battery: 2X AA 1.5V LR3 Alkaline batteries (Not included)
Transmitter Battery: 6X AAA 1.5V LR6 Alkaline or lithium batteries (Not included)
Battery Life: Minimum 12 months for receiver
Minimum 12 months for transmitter
Receiver Size: 108*94*27mm
Transmitter Size: 97*68*152mm
LCD Size: 66*45mm(3.3 inch)
Package Includes:
1 x Water Level Sensor Transmitter
1 x Indoor Receiver
2 x Screws
(Batteries are NOT included)
Note:
Note that the product is not waterproof.
1. Install the battery in the battery compartment of the transmitter, do not insert the battery compartment, and insert the battery synchronously after the receiver is set up
2. The liquid level indicator has no data, press the tank key, and the data will be displayed.
3. When reset, remove the battery Wait for a while and then turn on the power to eliminate the remai This meter monitors tank liquid depth level, and displays on a 10-element LCD bar graph
It can keep min/max records of tank liquid level.The receiver can be put standing on desk or hanging on wall
Supports tank liquid level high/low alarm and tank liquid empty alert
Displays indoor temperature ( or ) and tank temperature ( or ) at the same time
Open Distance: Approx.100M/328.1ft Effective Distance : Approx.30M/98.4ft Walfront Black

Product: CPWR-BB-240-33 Water Level Gauge Face plate: black | bezel: black plastic | either Red or Yellow LED backlight
Ip67 protection rating for the whole gauge
Signal:240-33ω | indicating range: empty-full
Mounting size: 2 1/16 inch , or 52mm
Working voltage: 12V or 24V KUS