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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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+86 13525609655

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rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

drill pipe inspection categories
4-wire Resistance Measurement | DC Circuits | Electronics ...
4-wire Resistance Measurement | DC Circuits | Electronics ...

One solution is called the Kelvin, or 4-wire, resistance measurement method. It involves the use of an ammeter and voltmeter, determining specimen resistance by Ohm’s Law calculation. A current is passed through the unknown resistance and measured.

4-Wire Kelvin Testing - Cirris Systems Corp.
4-Wire Kelvin Testing - Cirris Systems Corp.

A 4-wire measurement, gives you control of where the voltmeter connects., The disadvantage of 4-wire testing is it takes four connections to do the test, but it does give you an accurate resistance measurement of the DUT without the resistance of the test leads. Resistance measurements in …

Outdoor LED Flood Light | E-FFC Series | 19400 - 19500 ...
Outdoor LED Flood Light | E-FFC Series | 19400 - 19500 ...

Replaces ,400,-,watt, Pulse Start Metal Halide (PSMH). 138 ,watt,, Square ,LED Flood Light, with 19,400-19,500 delivered lumens, 4000K-5000K, cULus Listed, 5-year limited warranty.

400-Watt Flood Light | Metal Halide Industrial Lighting Online
400-Watt Flood Light | Metal Halide Industrial Lighting Online

400-Watt Metal Halide Floodlight,. Whether you are trying to illuminate the façade of your building, ,light, up a small arena or brighten a parking lot, a metal halide floodlight is a wise investment in the aesthetic and safety of your property.

400-Watt Flood Light | Metal Halide Industrial Lighting Online
400-Watt Flood Light | Metal Halide Industrial Lighting Online

400-Watt Metal Halide Floodlight,. Whether you are trying to illuminate the façade of your building, ,light, up a small arena or brighten a parking lot, a metal halide floodlight is a wise investment in the aesthetic and safety of your property.

480 Volt LEDs - 480 Volt LED Outdoor Parking Lot Security ...
480 Volt LEDs - 480 Volt LED Outdoor Parking Lot Security ...

Atlas PFXL2G400LED4 - DLC QPL Listed ,400 Watt LED Flood Light, - 4500K - 41,690 Lumens - 480V - Factory Installed Trunnion Mount - Outdoor ,LED Flood Light, That Replaces up to 1000W HPS or Metal Halide - 200,000 Hours

The Story of 4-Wire Measurement – TEGAM
The Story of 4-Wire Measurement – TEGAM

The Story of 4-Wire Measurement GENEVA, OH, February 25, 2021 It is common knowledge in industry that 4-wire measurement is the, preferred method for resistances under 1 Ω but, what makes it so, advantageous, over 2- and 3- wire measurement? Let’s look at …

High Pressure Sodium Outdoor 400w Flood Light
High Pressure Sodium Outdoor 400w Flood Light

A 400w ,Flood Light, supplied with a high output, energy efficient lamp. This ,flood light fixtures, are ideal for commercial and industrial lighting applications,mounted a 6 metres high, this ,flood light fixtures, will ,light, up an area 20 metre x 20 metre to above street lighting level. An ideal solution for car parks or …

LED Flood Lights 30 Watt To 400 Watt 90-415 Novius ...
LED Flood Lights 30 Watt To 400 Watt 90-415 Novius ...

Novius Energy Solutions India Private Limited - Offering ,LED Flood, Lights 30 ,Watt, To ,400 Watt,, 90-415 in Pune, Maharashtra. Get best price and read about company. Get contact details and address | …

LED Flood Light - 200 Watt - 400W Equiv - 20400 Lumens ...
LED Flood Light - 200 Watt - 400W Equiv - 20400 Lumens ...

This 200 ,Watt Flood Light, by LumeGen is perfect for illuminating any outdoor or indoor area with bright, energy efficient lighting. It is the ,LED, replacement for a traditional 400W metal halide ,light, and can provide cost-saving ,light, for up to 50,000 hours. It also features a flexible two (2) …

Outdoor LED Flood Lights - Security Lights – LEDMyplace
Outdoor LED Flood Lights - Security Lights – LEDMyplace

How bright is a 100-,watt LED flood light,? In simple terms, a 100-,watt LED floodlight, is sufficient to replace the typical 300-,watt, metal halide fixture. Thus, it is safe to say that ,LED, lights outperform traditional lamps, and they are ready to take over the lighting game. Apart from the 100-,watt, fixture, below is a list of ,LED light, ...

400 watt LED High Powered Flood Light- DLC Listed
400 watt LED High Powered Flood Light- DLC Listed

The ELS ,LED High Powered Flood Light, is a direct replacement for 1000 ,watt, Metal Halide and High Pressure Sodium ,Fixtures,. This replacement can reduce your energy consumption up …

Flood Lights | Lightup.com
Flood Lights | Lightup.com

LED, floodlights are an energy-efficient replacement for traditional halogen and metal halide floodlighting. LEDs use less Watts to emit the same level of lumens (,light,) as a higher ,Watt, incandescent or HID ,light,, making ,LED, floodlights a more efficient way to illuminate large areas.

150 Watt LED Flood Light - 15000 Lumens - Replaces 400 ...
150 Watt LED Flood Light - 15000 Lumens - Replaces 400 ...

The LEDHWP-SBX-30L-DCM ,LED Flood Light, offers high ,light, output from a compact form factor and is designed to provide a more durable and long lived alternative to halogen and metal halide units. This 150 ,watt LED light, is designed to replace ,400 watt, metal halide and produces a wide ,flood, beam without the high heat, fragile construction, or ...

Outdoor Flood Lights | Order Commercial Outdoor Lighting ...
Outdoor Flood Lights | Order Commercial Outdoor Lighting ...

LED, Shoebox Floodlight, ,400 Watt,, 50964 Lumens, 120-277V, 5000K. Brand: WareLight; DLC ... ,LED Flood Light,, 187 ,watt,, 23465 Lumens, 120-277V, U-Bracket Mount. Brand: WareLight; ... The ,fixtures, often made of die-cast metal and have a poly carbonate lens protecting the ,LED, diodes. These ,fixtures, are ruggedly built and often rated for outdoor ...

China High Power Outdoor LED Flood Light IP65 400 Watt for ...
China High Power Outdoor LED Flood Light IP65 400 Watt for ...

China High Power Outdoor ,LED Flood Light, IP65 ,400 Watt, for Stadium ,Fixtures, High Mast Lamp ,Light,, Find details about China Outdoor ,Flood Light,, ,LED, Airport Stadium High Mast Lamp ,Light, from High Power Outdoor ,LED Flood Light, IP65 ,400 Watt, for Stadium ,Fixtures, High Mast Lamp ,Light, - Jiangsu Flohar Lamps Manufacturing Co., Ltd.

480 Volt LEDs - 480 Volt LED Outdoor Parking Lot Security ...
480 Volt LEDs - 480 Volt LED Outdoor Parking Lot Security ...

Atlas PFXL2G400LED4 - DLC QPL Listed ,400 Watt LED Flood Light, - 4500K - 41,690 Lumens - 480V - Factory Installed Trunnion Mount - Outdoor ,LED Flood Light, That Replaces up to 1000W HPS or Metal Halide - 200,000 Hours

400 Watt Incandescent R40 - Feit Electric
400 Watt Incandescent R40 - Feit Electric

400 watt, R40 120V Medium (E26) Base ,Flood, Incandescent ,Light, Bulb single pack. Request a ... (E26) Base ,Flood, Incandescent ,Light, Bulb single pack. Energy saving ,light, ... Energy saving ,light, bulbs and lighting ,fixtures, including CFL, ,LED, string lights and flashlights. Upgrade from Incandescent and Halogen lights to save energy and ...

Outdoor Flood Lights | Order Commercial Outdoor Lighting ...
Outdoor Flood Lights | Order Commercial Outdoor Lighting ...

LED, Shoebox Floodlight, ,400 Watt,, 50964 Lumens, 120-277V, 5000K. Brand: WareLight; DLC ... ,LED Flood Light,, 187 ,watt,, 23465 Lumens, 120-277V, U-Bracket Mount. Brand: WareLight; ... The ,fixtures, often made of die-cast metal and have a poly carbonate lens protecting the ,LED, diodes. These ,fixtures, are ruggedly built and often rated for outdoor ...

Kelvin (4-wire) Resistance Measurement | DC Metering ...
Kelvin (4-wire) Resistance Measurement | DC Metering ...

12/2/2015, · This method of ,measurement, which avoids errors caused by ,wire, resistance is called the Kelvin, or 4-,wire, method. Special connecting clips called Kelvin clips are made to facilitate this kind of connection across a subject resistance:

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Road West, North Branch, Jingkai Road, Puyang City