Qingdao Haitongyuanda Special Instrument Co.,Ltd.
Main Products:
No.10, Huaan Road, Chengyang district Qingdao City, Shandong Province, China
+86-87605018
1. Product Introduction of Electrical Stability Tester DWY-2
The electrical stability tester is a portable instrument for measuring the electrical stability (ES) of oil-based drilling fluid. China Haitongyuanda factory is a leading China Electrical Stability Tester DWY-2 supplier, factory, manufacturer that focuses on customized Electrical Stability Tester DWY-2. We will become your trusted partner with reliable product quality and excellent customer service.
The instrument is mainly composed of test unit, electrode probe, power cord, 4pcs battery. It is have the characteristics of high measurement accuracy, small repetition error, safe and reliable, easy to operate, accurate measure data, has been widely used in oil field, research institutes, laboratory and other departments.
2. Working Principle of Electrical Stability Tester DWY-2
The measurement of electrical stability (ES) is to apply a sinusoidal telecomunication signal with gradually rising voltage to a pair of parallel plate electrodes immersed in drilling fluid. The generated current is very weak until it reaches a critical voltage, and then the current intensity rises sharply. This critical voltage is called the ES value of the oil-based drilling fluid and is defined as the peak voltage measured at the current intensity of 61ua, unit is volts.
3. Models and Specifications of Electrical Stability Tester DWY-2
| NO. | Name | Model | 
| 1 | Electrical Stability Tester | DWY-2 | 
4. The Main Technical Parameters of Electrical Stability Tester DWY-2
| No. | Name | Specifications | 
| 1 | Power Supply | 
 4pcs 9V Alkaline Battery 100V or 240V AC Adapter 50/60, 10瓦  | 
| 2 | Range | 0-2025V±25V (Valid value 1432V) | 
| 3 | AC Frequency | 340Hz±2Hz | 
| 4 | Output Waveform | Sine Wave | 
| 5 | Pressure Up Speed | 150V/s±10V/s, Automatic Boosting | 
| 6 | Breakdown Current | 61uA±5uA | 
| 7 | Accuracy | ±5% | 
| 8 | Operating Ambient Temperature | 18℃~26℃ (64.4°F~78.8°F) | 
| 9 | Electrode Test Temperature Range | 0℃~93℃ (32°F~199.4°F) | 
| 10 | Storage Temperature Range | 5℃~50℃ (41°F~122°F) | 
| 11 | Automatic Power-Off Time | 1min | 
| 12 | Peak Voltage Display | Digital LCD | 
| 13 | Electrode Spacing | 1.55mm (0.061in) | 
| 14 | Net Weight/Gross Weight | 1.12/1.88kg | 
| 15 | Dimensions | 260×200×150 (mm) | 
| 16 | Packing Dimensions (Cardboard Box) | 330×270×220 (mm) | 
Our company is committed to the R&D and manufacturing of drilling fluid analyzer, oil well cement tester, oilfield laboratory integrated engineering solutions and experimental instrument maintenance services. Over the past 40 years, with the care and support of oilfield users, experts from various industries and engineers and technicians, our products and technologies have been tested by the market making. Haitongda special analytical instruments have grown to world-famous brands. Our company has researched and developed on testing instruments needed in unconventional oil and gas resources, deep water, natural gas hydrate and intelligent drilling, and successively produced a various of new products, such as ultra-HTHP rheometer, drilling fluid online testing system and deep water low temperature drilling fluid testing system, which timely met the needs of technological progress in the drilling industry. At present, we are providing quality services and practical products to more than 3000 customers in more than 20 countries and regions around the world.

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