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                                    Mr. Ricky CasipeWith regards of our test instrument the’re all in Good condition. I'll purchase some instrument sooner. Thank you very much - 
                                
                                    Ms. Remy GalaponFrom year 2020 to 2023, we purchased more than 30 equipment from Delta Technology, they are all work well and the service from Delta Technology is also good. - 
                                
                                    Mr. MilanThe VLF-80 Tester is perfect and thank you. 
500m Flexible Level Measuring Instrument Deep Well Meter Depth Level Meter Water Level Sensor
| Place of Origin | China Mainland | 
|---|---|
| Brand Name | Delta | 
| Certification | ISO9001 | 
| Model Number | WLM | 
| Minimum Order Quantity | 1 set | 
| Price | USD1.0 / set | 
| Packaging Details | Packed in wooden case | 
| Delivery Time | In 10 days after the order is confirmed. | 
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability | 100 sets / month | 
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x| Material | Steel, Cooper | Ruler Length | 30m, 50m, 100m, 200m, 300m, 400m, 500m | 
|---|---|---|---|
| Name | Level Measuring Instrument Deep Well Meter Depth Level Meter Water Level Sensor | Usage | Measure Water Level Of Well, Borehole And Pipe. | 
| Composed Of | Probe, Steel Ruler, Receiving System, Reel | Probe Diameter | Φ15mm*160mm | 
| Width Of Ruler | 9.8mm | Ruler Cable Coating | PE,PU | 
| Conductor | Tinned Copper Wire | Battery | 9V | 
| Reel Material | Steel | Delivery Lead Time | In 5 Days | 
| Highlight | 500m flexible water level sensor,deep well meter with warranty,borehole inspection depth level meter | 
					||
500m Flexible Level Measuring Instrument Deep Well Meter Depth Level Meter Water Level Sensor

Brief Introduction:
The WLM 500m Flexible Level Measuring Instrument Deep Well Meter Depth Level Meter Water Level Sensor offers a precision-engineered solution for accurate water level measurements. Perfectly designed for assessing the water level in wells, boreholes, and pipes, this device is indispensable for tracking groundwater levels and evaluating seepage lines in earth and rock dams with unparalleled accuracy.
This versatile meter is ideal for both construction projects and long-term safety monitoring, ensuring the ongoing integrity of your project.
Structure:
The WLM 500m Flexible Level Measuring Instrument Deep Well Meter Depth Level Meter Water Level Sensor is an integrated system featuring a durable probe, an innovative steel ruler, an advanced receiving system, and a compact reel design. 
- Probe: Crafted from high-grade stainless steel, the probe features a water-resistant contact point. It automatically activates the receiving system upon contact with the water surface and deactivates once out of contact, ensuring efficient operation.
 - Steel ruler tape: Utilizing cutting-edge plastic technology, the steel ruler is seamlessly bonded with the cable, providing rust protection and simplifying the measurement process for enhanced convenience and precision.
 - Receiving system: This sophisticated system comprises a speaker and a peak indicator. The speaker delivers a consistent buzzing sound, while peak indication is managed via a voltmeter. A switch allows seamless selection of the preferred system, ensuring consistent accuracy across all readings.
 - Frame: Ingeniously designed with a reel and bracket, the frame houses the receiving system and battery inside the reel, while the steel ruler cable is neatly wrapped around the exterior, optimizing functionality and ease of use.
 
Main Parameters:
| Model | Max. test depth / (m) | Length (mm)  | 
			Width (mm)  | 
			Height (mm)  | 
			Probe (mm)  | 
			Width of ruler (mm)  | 
			Weight (kg)  | 
		
| WLM-30 | 30 | 310 | 250 | 430 | Φ15*160 | 9.8 | 2.85 | 
| WLM-50 | 50 | 310 | 250 | 430 | Φ15*160 | 9.8 | 2.95 | 
| WLM-100 | 100 | 310 | 250 | 430 | Φ15*160 | 9.8 | 4.3 | 
| WLM-150 | 150 | 310 | 250 | 430 | Φ15*160 | 9.8 | 4.7 | 
| WLM-200 | 200 | 310 | 250 | 430 | Φ15*160 | 9.8 | 7.3 | 
| WLM-300 | 300 | 360 | 250 | 430 | Φ15*160 | 9.8 | 7.85 | 


