Products

Suppliers

Filter Gallery
273,408

Electric Flow Meters

Products
Electric Meter Electric Instrument Electronic Electric Meter Electric Measuring Electric Indicator Electric Static

Sorry! No matches were found.

Positive Displacement Bulk Transfer Flow Meter with Electronic Counter for Fuel Oil

Positive Displacement Bulk Transfer Flow Meter with Electronic Counter for Fuel Oil

US $ 2,200-2,400 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Electrical Protection & Grounding System, Remote Methane Leak Detector, Ground Clamp, Static Ground Monitoring System, Static Grounding Reel, Self-Recovery Bollard, Overfill Sensor, Level Controller, Bypass Conductor, Mass Flow Meter
Contact Supplier
Audited Supplier
Qingdao Alptec Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2006
Chat Now Send Inquiry
Flow Meter, with Electronic Register, Strained, Air Eliminator and Solenoid Valve

Flow Meter, with Electronic Register, Strained, Air Eliminator and Solenoid Valve

US $ 1-400 / Piece FOB
1 Piece (MOQ)
More
Type : Volume Type Flow Meter
Contact Supplier
Audited Supplier
Ningbo Fausto Industry CO., Ltd.

Zhejiang, China Since 2017
Chat Now Send Inquiry
Customized Positive Displacement Flow Meter with Electronic Counter

Customized Positive Displacement Flow Meter with Electronic Counter

1 Piece (MOQ)
More
Main Products: Flowmeter, Controller, Pump, Metering System, Skid
Contact Supplier
Audited Supplier
Shanghai Yinuo Instrument Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2017
Chat Now Send Inquiry
K24 DN15 DN25 DN40 Electronic Turbine Pulser Digital Diesel Fuel Flow Meter

K24 DN15 DN25 DN40 Electronic Turbine Pulser Digital Diesel Fuel Flow Meter

US $ 35-50 / Piece FOB
1 Piece (MOQ)
More
Measurement Object : Closed Pipeline
Contact Supplier
Audited Supplier
Nanjing Hangjia Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2019
Chat Now Send Inquiry
2" Gasoline Fuel Meter Electronic Flow Meter with Register and Solenoid Valve

2" Gasoline Fuel Meter Electronic Flow Meter with Register and Solenoid Valve

US $ 1,600-1,700 / Piece FOB
1 Piece (MOQ)
More
Main Products: Flow Meter, Vane Pump, Fuel Transfer Pump, Oil Nozzle, LPG Gas Pump, Oval Gear Flow Meter, Fuel Dispenser, Tank Truck Spare Parts, Fuel Dispenser Accessories, LPG Compressor
Contact Supplier
Shanghai Mac-Beyond Machinery Co., Ltd.

Shanghai, China Since 2025
Chat Now Send Inquiry
Electronic Type Wet Gas Meter Flow Range: 5L/H~1500L/H Black

Electronic Type Wet Gas Meter Flow Range: 5L/H~1500L/H Black

1 Piece (MOQ)
More
Measuring Media : Gas
Contact Supplier
Audited Supplier
Yibin Mechatronics Research Institute

Manufacturer/Factory & Trading Company

Sichuan, China Since 2021
Chat Now Send Inquiry
Auto Electronic Velocity of Flow Measuring Instrument Natural Gas Temperature Pressure Compensation Gas Turbine Flow Meter

Auto Electronic Velocity of Flow Measuring Instrument Natural Gas Temperature Pressure Compensation Gas Turbine Flow Meter

US $ 520-540 / sets FOB
1 sets (MOQ)
More
Main Products: Instruments & Meters
Contact Supplier
Audited Supplier
Kaifeng Chentong Automation Technology Co., Ltd.

Manufacturer/Factory

Henan, China Since 2025
Chat Now Send Inquiry
100% Original Endress+Hauser E+H Proline Promag P500 50e50 Electromagnetic Flow Meter

100% Original Endress+Hauser E+H Proline Promag P500 50e50 Electromagnetic Flow Meter

US $ 2,500-3,000 / Piece FOB
1 Piece (MOQ)
More
Certification : JIS, DIN, ANS, GB, CE, RoHS, ISO
Contact Supplier
Audited Supplier
Kerui (Weifang) Automation Equipment Co., Ltd.

Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
100% Original Authentic Product E+H 55s1h Electromagnetic Flow Meter Competitive Price

100% Original Authentic Product E+H 55s1h Electromagnetic Flow Meter Competitive Price

US $ 399-699 / Piece FOB
3 Pieces (MOQ)
More
Main Products: Flow Instrument, Temperature Instrument, Pressure Instrument, Level Instrument
Contact Supplier
Audited Supplier
Jiangsu Jiechuang Science And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
Volume Type Digital Ogm Electronic Oval Gear Flow Meter for Diesel

Volume Type Digital Ogm Electronic Oval Gear Flow Meter for Diesel

US $ 120-220 / Piece FOB
1 Piece (MOQ)
More
Application : Industrial Production
Contact Supplier
Audited Supplier
Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
Chat Now Send Inquiry
Water Flow Indicator Mechanical Flow Meter Water Cooler Electronic Flow Meter

Water Flow Indicator Mechanical Flow Meter Water Cooler Electronic Flow Meter

US $ 428 / Piece FOB
1 Piece (MOQ)
More
Main Products: Level Gauge, Pressure Transmitter, Flow Meter
Contact Supplier
Audited Supplier
Vacorda Instruments Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Sichuan, China Since 2019
Chat Now Send Inquiry
Wireless Water Electronic Battery Powered Electromagnetic Flow Meter

Wireless Water Electronic Battery Powered Electromagnetic Flow Meter

US $ 199-999 / Piece FOB
1 Piece (MOQ)
More
Certification : JIS, DIN, ANS, GB, CE, RoHS, ISO
Contact Supplier
Audited Supplier
Shanghai Cixi Instrument Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2009
Chat Now Send Inquiry
Related Searches
Electric Scale Electric Price Scale Electric Energy Meter Wholesale Electric Flow Meters Electric Tester High Flow Meter
Flow Meter Water Meter Test Machine Flow Sensor Liquid Level Meter Electrical Control System
Reciprocating Piston Flow Meter Gear Flow Meter Helical Gear Flow Meter Rotary Vane Meter Turbine Flow Meter Electromagnetic Flow Meter
Electromagnetic Flowmeter, Water Liquid Electronic Digital Display Pipe Sensor, Sewage Flow Meter

Electromagnetic Flowmeter, Water Liquid Electronic Digital Display Pipe Sensor, Sewage Flow Meter

US $ 230-20,479 / Piece FOB
1 Piece (MOQ)
More
Main Products: Electromagnetic Flowmeter, Flowmeter
Contact Supplier
Henan Caput Instrument Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
Electronic Flow Meter Explosion-Proof Instruments

Electronic Flow Meter Explosion-Proof Instruments

1 Piece (MOQ)
More
Measuring Principle : Electrical Principles
Contact Supplier
Audited Supplier
Hefei WNK Smart Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2016
Chat Now Send Inquiry
Manufacture Factory Electric Electromagnetic Water Flow Meters

Manufacture Factory Electric Electromagnetic Water Flow Meters

US $ 85-100 / Piece FOB
1 Piece (MOQ)
More
Main Products: Electromagnetic Flowmeter, Vortex Flowmeter, Temperature Transmitter, Hart Modem, Level Transmittre, Flow Transmitter, Pressure Transmitter, Hart 375, Differential Pressure Transmitter, RS495 Magnetostrictive Level Meter
Contact Supplier
Audited Supplier
Beijing ZhongRuiZhiCheng Technology Co., Ltd.

Beijing, China Since 2016
Chat Now Send Inquiry
Electronic Flow Meter Digital Oil Turbine Flow Meter

Electronic Flow Meter Digital Oil Turbine Flow Meter

US $ 25-29 / Piece FOB
10 Pieces (MOQ)
More
Size : DN5-10
Contact Supplier
Audited Supplier
Wenzhou Bingo Imp. & Exp. Co., Ltd.

Zhejiang, China Since 2013
Chat Now Send Inquiry
Electronic Flow Meter Digital Fuel Meter Turbine Flowmeter Diesel Gasoline Counter Chemical Liquid Flow Meter

Electronic Flow Meter Digital Fuel Meter Turbine Flowmeter Diesel Gasoline Counter Chemical Liquid Flow Meter

US $ 18-27 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Dispenser Fuel Filter, Fuel Filter, Fuel Nozzle, Portable Fuel Dispenser, Electronic Digital Flow Meter, Fuel Transfer Pump, Fuel Dispenser Accessories
Contact Supplier
Audited Supplier
Zhengzhou Dinly Filter Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
E+H Promass F300 Flow Meter Endress Hauser Mass Flow Meter Promass F 300 Replace 80/83f

E+H Promass F300 Flow Meter Endress Hauser Mass Flow Meter Promass F 300 Replace 80/83f

US $ 10,000-150,000 / Piece FOB
1 Piece (MOQ)
More
Certification : JIS, DIN, ANS, GB, CE, RoHS, ISO
Contact Supplier
Audited Supplier
Shenzhen Anyi Technology Co., Ltd.

Guangdong, China Since 2024
Chat Now Send Inquiry
E+E Ee771 Industrial Flow Meter DIN En 10204 Certified Long-Term Stability for Harsh Environments

E+E Ee771 Industrial Flow Meter DIN En 10204 Certified Long-Term Stability for Harsh Environments

US $ 600-3,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Smoke Detector, Air Dryer Controller, Water Leak Detector, Dew Point Sensor, Refrigerated Air Dryer Controller, Combined Dryer Controller, Telecom Base Station Environment Monitoring
Contact Supplier
Audited Supplier
Hangzhou Xinjian Electronic Co., Ltd.

Zhejiang, China Since 2024
Chat Now Send Inquiry
Electric Digital Fuel Dispenser Tatsuno Flow Meter

Electric Digital Fuel Dispenser Tatsuno Flow Meter

US $ 65-68.5 / Piece FOB
10 Pieces (MOQ)
More
Type : Oil Pump
Contact Supplier
Audited Supplier
XUZHOU DESHENG PETROL MACHINE CO., LTD.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2018
Chat Now Send Inquiry
Related Videos
  • What is Positive Displacement Bulk Transfer Flow Meter with Electronic Counter for Fuel Oil
    What is Positive Displacement Bulk Transfer Flow Meter with Electronic Counter for Fuel Oil
    US $ 2,200-2,400 /Piece
    10 Pieces (MOQ)
    Contact Supplier
  • What is Flow Meter, with Electronic Register, Strained, Air Eliminator and Solenoid Valve
    What is Flow Meter, with Electronic Register, Strained, Air Eliminator and Solenoid Valve
    US $ 1-400 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Customized Positive Displacement Flow Meter with Electronic Counter
    What is Customized Positive Displacement Flow Meter with Electronic Counter
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is K24 DN15 DN25 DN40 Electronic Turbine Pulser Digital Diesel Fuel Flow Meter
    What is K24 DN15 DN25 DN40 Electronic Turbine Pulser Digital Diesel Fuel Flow Meter
    US $ 35-50 /Piece
    1 Piece (MOQ)
    Contact Supplier
Compressed Air Oxygen Nitrogen Various Gases Electronic Digital Display Roots Flow Meter

Compressed Air Oxygen Nitrogen Various Gases Electronic Digital Display Roots Flow Meter

US $ 300-2,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Flow Meter, Thermal Mass Flow Meter, Turbine Flow Meter, Vortex Flow Meter, Electromagnetic Flow Meter, Gas Roots Flow Meter, Coriolis Flow Meter, Precession Flow Meter, Radar Level Meter, Ultrasonic Flow Meter
Contact Supplier
Audited Supplier
Aister Instrument (Shanghai) Co., Ltd.

Shanghai, China Since 2023
Chat Now Send Inquiry
Explosion-Proof Electronic Turbine Flow Meter for Safe Liquid Measurement

Explosion-Proof Electronic Turbine Flow Meter for Safe Liquid Measurement

US $ 238.6 / pieces FOB
30 pieces (MOQ)
More
Measuring Media : Liquid
Contact Supplier
Audited Supplier
Xi'an Yunyi Instrument Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2020
Chat Now Send Inquiry
Electronic Turbine Flow Meter for Adblue

Electronic Turbine Flow Meter for Adblue

US $ 15-20 / Piece FOB
1 Piece (MOQ)
More
Main Products: Gas Station, Fuel Dispenser, LPG Dispenser, LPG Skid, Tank, Pump, Meter, Nozzle, Adblue, Automation
Contact Supplier
Audited Supplier
Wenzhou Ecotec Energy Equipment Co., Ltd.

Zhejiang, China Since 2019
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Electric Flow Meters FAQ
  • QWhat are the common types of flow meters available?

    Enhance your Flow Meter setup with our premium Electric Flow Meters.Flow meters come in various types, including electromagnetic, ultrasonic, thermal, and turbine. Each type has unique features and application suitability. Consult a reputable manufacturer for guidance on selecting the right type for your requirements.

  • QWhat advantages does wholesale procurement of flow meters offer?

    The Electric Flow Meters is a key item within our extensive Flow Meter selection.Procuring flow meters wholesale provides cost savings due to bulk purchases, assurance of stable supply, and potential for customized solutions. Selecting reputable wholesale suppliers guarantees consistent quality and reliable performance based on industry standards.

  • QHow can I source flow meters from trusted suppliers in China?

    The Electric Flow Meters is a key item within our extensive Flow Meter selection.When sourcing flow meters from China, leverage online B2B platforms, participate in trade exhibitions, and conduct background checks on suppliers. Ensuring suppliers are certified and have a good track record is essential for obtaining reliable products for your operation.

Vortex Flow Meters Employ Piezo-Electric Crystals to Detect Vortex Shedding Frequency for Real-Time Data Acquisition Flow Meter

Vortex Flow Meters Employ Piezo-Electric Crystals to Detect Vortex Shedding Frequency for Real-Time Data Acquisition Flow Meter

US $ 235-555 / Piece FOB
1 Piece (MOQ)
More
Measurement Object : Closed Pipeline
Contact Supplier
Audited Supplier
Lianyungang Weizidom Meter Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2021
Chat Now Send Inquiry
Zcheng Fuel Oil Flow Meter Head Parts of Electric Transfer Pump Used Fuel Dispenser

Zcheng Fuel Oil Flow Meter Head Parts of Electric Transfer Pump Used Fuel Dispenser

US $ 15-60 / Set FOB
2 Sets (MOQ)
More
Main Products: Fuel Dispenser, Fuel Dispensing Pump, Petrol Station Pump, Gas Station Pump, Petrol Station Fuel Dispenser, Fuel Pump, Oil Pump, Vane Pump, Gear Pump
Contact Supplier
Audited Supplier
Zhejiang Genuine Machine Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
Chat Now Send Inquiry
Heavy Fuel Oil Digital Positive Displacement Flow Meter with Electronic Meter Counter

Heavy Fuel Oil Digital Positive Displacement Flow Meter with Electronic Meter Counter

US $ 1,000-1,500 / Set FOB
1 Set (MOQ)
More
Measuring Media : Liquid
Contact Supplier
Audited Supplier
Quanzhou Xixing Machinery Co., Ltd.

Fujian, China Since 2019
Chat Now Send Inquiry
Electric Fan Air Flow Value Test Instrument Meter IEC60879-2018 for Blower and Air Cooler

Electric Fan Air Flow Value Test Instrument Meter IEC60879-2018 for Blower and Air Cooler

US $ 15,999 / Piece FOB
1 Piece (MOQ)
More
Main Products: Programmable Constant Temperature and Humidity Test Chamber, Rapid-rate Thermal Cycle Chamber, Thermal Shock Test Chamber
Contact Supplier
Audited Supplier
Dongguan Huanyi Instrument Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Preset Register Diesel Flow Meter for Tanker Unloading Electronic Digital Fuel Flow Meter

Preset Register Diesel Flow Meter for Tanker Unloading Electronic Digital Fuel Flow Meter

US $ 1,310-1,410 / Piece FOB
1 Piece (MOQ)
More
Type : Volume Type Flow Meter
Contact Supplier
Shanghai Mac-Beyond Machinery Co., Ltd.

Shanghai, China Since 2025
Chat Now Send Inquiry
Plug-in Electromagnetic Flow Meter Liquid Sewage Tap Water Electronic Digital Display

Plug-in Electromagnetic Flow Meter Liquid Sewage Tap Water Electronic Digital Display

US $ 360-380 / Piece FOB
1 Piece (MOQ)
More
Main Products: Liquid Turbine Flow Meter, Electromagnetic Flow Meter, Vortex Flow Meter, Pression Vortex Flow Meter, Gas Turbine Flow Meter, Data Recorder, Ultrasonic Fow Meter, Ultrasonic Level Meter, Oval Gear Flow Meter, Batch Filling Controller
Contact Supplier
Audited Supplier
Wuhu Jujie International Trade Co., LTD

Anhui, China Since 2018
Chat Now Send Inquiry
Electronic Aluminum LCD Screen Digital Turbine Diesel Fuel Flow Meter

Electronic Aluminum LCD Screen Digital Turbine Diesel Fuel Flow Meter

US $ 23-45 / Piece FOB
1 Piece (MOQ)
More
Type : Turbine Flow Meter
Contact Supplier
Audited Supplier
Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
Chat Now Send Inquiry
22680-Ad201 22680-4m500 22680-4m511 Auto Electric Mass Air Flow Meter for Nissan Sunny

22680-Ad201 22680-4m500 22680-4m511 Auto Electric Mass Air Flow Meter for Nissan Sunny

US $ 8.96-9.7 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Auto Filter, Spark Plug, Ignition Coil, Fuel Pump, Sensor, Bearing, Injector, Timing Belt &Fan Belt, Brake Pad &Brake Shoe, Clutch Disc&Clutch Cover
Contact Supplier
Audited Supplier
Guangzhou Xiangfeng Auto Parts Company

Guangdong, China Since 2019
Chat Now Send Inquiry
Bsp 1/2" Diesel Fuel Meter for Liquid Control Electronic Flow Meter Diesel

Bsp 1/2" Diesel Fuel Meter for Liquid Control Electronic Flow Meter Diesel

US $ 40-45 / Piece FOB
100 Pieces (MOQ)
More
Accuracy : ±0.2-0.5%
Contact Supplier
Audited Supplier
Ningbo Yinzhou Everyoung Metals Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Electromagnetic Flow Meter Use Raw Materials/Drinks Electric Liquid Meter Processing Regulation 220VAC/ 24VDC/Electric Battery

Electromagnetic Flow Meter Use Raw Materials/Drinks Electric Liquid Meter Processing Regulation 220VAC/ 24VDC/Electric Battery

US $ 140-160 / pcs FOB
10 pcs (MOQ)
More
Main Products: Instruments & Meters
Contact Supplier
Audited Supplier
Kaifeng Chentong Automation Technology Co., Ltd.

Manufacturer/Factory

Henan, China Since 2025
Chat Now Send Inquiry
Ogm Series Electronic Water Meter Mechanical Flowmeter Totalizer Flow Meter Electronic

Ogm Series Electronic Water Meter Mechanical Flowmeter Totalizer Flow Meter Electronic

US $ 75-86 / Piece FOB
10 Pieces (MOQ)
More
Accuracy : ≤±0.1%
Contact Supplier
Audited Supplier
Zhengzhou Dinly Filter Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
Proper Price Top Quality Mass Electronic Digital Flow Meter

Proper Price Top Quality Mass Electronic Digital Flow Meter

US $ 1,500-4,950 / Piece FOB
1 Piece (MOQ)
More
Main Products: Food Thermometer, Digital Thermometer, Cold Chain Data Logger
Contact Supplier
Audited Supplier
Xi'an Lonn M&E Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Shaanxi, China Since 2020
Chat Now Send Inquiry
High Viscosity 0.5% Fuel Oil Flowmeter Electric Oval Gear Flow Meter

High Viscosity 0.5% Fuel Oil Flowmeter Electric Oval Gear Flow Meter

US $ 122-789 / Piece FOB
1 Piece (MOQ)
More
Type : Variable Area Flow Meter
Contact Supplier
Audited Supplier
Shanghai Cixi Instrument Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2009
Chat Now Send Inquiry
View More

Related Searches

Water Flow Meter Flow Meters Three Phase Electric Meter Flow Instrument Electronic Flow Meter Industrial Flow Meter Electric Pressure Gauges Electric Weight Scale Meter Air Flow Gas Flow Meter

You may also like

mechanical flow meter volume flow meter Static Electric Meter diesel flow meter Fuel Flow Meter magnetic flow meter

Browse by Categories

Home > Instruments & Meters > Meter for Liquid & Gas > Flow Meter > Reciprocating Piston Flow Meter
1/834
TOP

Search Filter

Categories

More Less
  • Flow Meter
  • Water Meter
  • Test Machine
  • Flow Sensor
  • Liquid Level Meter
  • Electrical Control System
  • Energy Meter & Power Meter
  • Gas Analyzer
  • Other Instruments & Meters
  • Melting Point Apparatus

Accuracy

More Less
  • ±0.2-0.5%
  • ±0.6-1%
  • >±1%
  • ≤±0.1%

Main Application

More Less
  • Water
  • Wastewater
  • Nature Gas
  • Corrosive Liquid/Gas
  • Fuel Oil
  • Diesel Fuel

Principle

More Less
  • Impeller
  • Ultrasonic Wave

Sensor

More Less
  • Tube/Flange
  • Clamp-on/External
  • Plug-in

Type

More Less
  • Electromagnetic Flow Meter
  • Turbine Flow Meter
  • Vortex Flow Meter
  • Ultrasonic Flow Meter
  • Volume Type Flow Meter
  • Coriolis Mass Flow Meter
  • Differential Pressure Flow Meter
  • Variable Area Flow Meter
  • Fluid Oscillation Flow Meter
  • Probe Type Flow Meter
  • Impact Flow Meter

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Shandong
  • Guangdong
  • Zhejiang
  • Jiangsu
  • Henan
  • Shanghai
  • Hebei
  • Chongqing
  • Fujian
  • Hubei
  • Anhui
  • Hunan
  • Shaanxi
  • Beijing
  • Sichuan
  • Tianjin
  • Jiangxi
  • Liaoning
  • Guangxi
  • Heilongjiang
  • Shanxi
  • Yunnan
  • Ningxia
  • Jilin
  • Taiwan, China
  • Hainan
  • Hongkong S.A.R.
  • Xinjiang
Reset Done