High Quality Limnimeter Water Level Meter

Product Description

Water Level Meter
General description:
Water level meter provide an accurate measurement method of level meter, usually used for the measurement of water level in the drilling holes or water level pipe ,particularly suitable for hydropower engineering underground water level or artificially inspection dam observation. This instrument can be used in construction period, but also can be used as the long-term safety monitoring project. comply with the dam safety monitoring technology standard (SL60-94)
Main specification:

Specification	WLM-30	WLM-50	WLM-100	WLM-150	WLM-200	WLM-300
Depth of the measurement(m)	0~30	0~50	0~100	0-150	0-200	0-300
Minimum indication(mm)	1.0
Repeat indication(mm)	±2.0
weight(Kg)	3.5	4.5	6.5	8.5	11	14.5
Power supply(V)	DC=9

Working principle:
The measurement of the water level by the following two parts: 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 and peak value indicator, peak value indicate is voltage indicate.
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)
User should notice the following two points: when the detect head contact water, buzzer will sound, indicator light on, voltage meter needle rotate. This time you should slowly put the cable and look for the right place of the water level and the pipe or hole's depth. The accuracy of the indication, which depend on the judge the right place which the buzzer and indicator light on. So practice of the operation is very necessary. Maintenance:
Because the system use battery to supply power, so when you finish test, you should keep it power off. Power supply is 9V, when it has no power, you should open the cover and change it.
After measurement, please keep the detect head and cable clean, cable rolled in cable reel. And put them in a good condition.
Unauthorized disassembly of the product, it can not put in water horizontally, the cable can not bucking, especially the ends.
The detect head should carry and put soft and avoid vibration.
Storage:
Customer should open the box and check the product when you receive it.
Storage temperature-10 ~ +40 ºC,humidity less than 80%,no aggressive gas.
Product warranty: 1 year.

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