New factory low price 300m water depth measuring instrument with stainless steel ruler
Product Description

water level meter is an instrument used to measure water level height. It is widely used in various water conservancy projects and urban planning, including reservoirs, rivers, lakes, oceans, wells, water pipes, etc. By measuring the water level height, it helps people understand the hydrological situation, monitor floods and droughts, control water level changes, and adjust and control water levels in a timely manner.
Product Structure
1. This is to fix the reel panel.
2. Probe, probe diameter is 14mm, when it detect water, the led light on and buzzer buzzing.
3. Reel's material: plastic.
4. Led light,when probe contact water,light on.
5. Buzzer,when probe contact water,buzzing.
6. Power voltage,this show the battery power.
7. Button.
8. Battery case,it is a 9V battery inside.
9. Support,materi is metal.
Technical Parameters
Specification | WLM-30 | WLM-50 | WLM-100 | WLM-150 | WLM-200 | WLM-300 | WLM-400 | WLM-500 |
Depth of the measurement(m) | 0~30 | 0~50 | 0~100 | 0~150 | 0~200 | 0~300 | 0~400 | 0~500 |
Minimum indication(mm) | |
Repeat indication(mm) | |
Weight(kg) | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 10 | 12 | 15 |
Power supply(v) | |



Working principle
The measurement of the water level by the following two parts: 1. Underground material, it is composed by water level pipe and bottom cover (not include in the system,it is need purchased separately) Ground receiver-ruler water level meter, it is composed by detect head, ruler cable, receiver system and cable reel. Detect head: made by steel, inside is a water resistance contact point. When the contact point contact water, the receiver system will open, and when the contact point leave the water,the receiver system will close. Ruler cable: it made by ruler and cable, and use plastic technology keep them together, and avoid the steel corrosion and simple the operation,make the read more convenient and accurate. Receiver system:it is composed by sounder,indicate light. 2 the green button in the panel is test button, when push this button, light on and buzzing, that indicate the circuit is in good condition. Or else, the circuit have problem or the battery has no power.
Use method
In measuring, make the cable reel rotate and push the power button,put the detect head in the water pipe, put the ruler cable in hand and make it drop slowly. When the detect head contact point contact water, the receiver system buzzer will sound. Then you can read the data of the ruler cable and can know the water level(If the surrounding voice is loudly, maybe you can hear buzzer,so you can observe the indicate light and voltage meter).
our services
1.Professional technical support pre-sale, sale and after-sale.
2.Your problems can get feedback in 8 hours and be solved in 24 hours.
3.Machine can be customized as per your requirement.
4.One year quality warranty.
5.Training: operation manual and DVD operation video, overseas installation is also available.
6.Spare parts are available in our factory at cost price for former customers.
