Products

Suppliers
Filter Gallery
16,239

Climate Testing Machine

Products
Temperature Humidity Testing Machine Xenon Arc Testing Machine Salt Spray Testing Machine Test Chamber Testing Equipment

Sorry! No matches were found.

Quick Temperature Change Industrial Heat Testing Machine for Rapid Temperature Climate Analysis

Quick Temperature Change Industrial Heat Testing Machine for Rapid Temperature Climate Analysis

US $ 14,050-70,228 / Piece FOB
1 Piece (MOQ)
More
Main Products: Temperature and Humidity Testing Chamber, Environmental Test Chamber, Chip Testing Chamber, High and Low Temperature, Lithium Battery Safety Equipment, Two in One Double-Door Climatic Test, Three-Zone Thermal Shock Chamber, Stability Walk-in Chamber, Hightly Accelerated Shock Test Machine, High Frequncy Vibration Shaker Table
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangdong MENTEK Testing Equipment Co.,Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Climate Test Chamber Equipment Salt Spray Testing Machine for Nss Cass Testing

Climate Test Chamber Equipment Salt Spray Testing Machine for Nss Cass Testing

US $ 1,200 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Hy-3000 (water-cooled) Solar Climate Testing Machine (water-cooled)

Hy-3000 (water-cooled) Solar Climate Testing Machine (water-cooled)

US $ 39,500 / Piece FOB
1 Piece (MOQ)
More
Main Products: Universal Testing Equipment, Testing Equipment, Laboratory Equipment, Climatic Chamber, Temperature Controller, Environmental Chamber, Battery Tester, Tensile Testing, Humidity Chamber, Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Dongguan Nanxus Information Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Environmental Vibration Testing Machine for Climate Test Temperature Humidity Test Chamber

Environmental Vibration Testing Machine for Climate Test Temperature Humidity Test Chamber

US $ 5,000-15,000 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2011
PW INSTRUMENTS (GUANGDONG) CO., LTD.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2011
Chat Now Send Inquiry
Environmental Test Chamber / Climate Temperature Humidity Testing Machine

Environmental Test Chamber / Climate Temperature Humidity Testing Machine

US $ 3,000-8,000 / set FOB
1 set (MOQ)
More
Main Products: Climatic Test Chamber, Temperature Humidity Test Chamber, Wak-in Climatic Chamber, Salt Spray Test Chamber, Rain Spray Test Chamber, Universal Testing Machine, Thermal Shock Chamber, Heat Damp Changing Test Chamber, Vibration Table, Drop Test Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Sailham Equipment (Dongguan) Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Advanced Battery Test Machine for Climate Chamber Environmental Testing Needs

Advanced Battery Test Machine for Climate Chamber Environmental Testing Needs

US $ 10,000-20,000 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Komeg Industrial Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
High Low Temperature Low Pressure Chamber Test Equipment Machine Climate Testing Solutions

High Low Temperature Low Pressure Chamber Test Equipment Machine Climate Testing Solutions

US $ 42,138-140,455 / Piece FOB
1 Piece (MOQ)
More
Main Products: Temperature and Humidity Testing Chamber, Environmental Test Chamber, Chip Testing Chamber, High and Low Temperature, Lithium Battery Safety Equipment, Two in One Double-Door Climatic Test, Three-Zone Thermal Shock Chamber, Stability Walk-in Chamber, Hightly Accelerated Shock Test Machine, High Frequncy Vibration Shaker Table
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangdong MENTEK Testing Equipment Co.,Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Hareware Products Climate Test Chamber Salt Fog Testing Machine for Australian Clients

Hareware Products Climate Test Chamber Salt Fog Testing Machine for Australian Clients

US $ 1,500-20,000 / Set FOB
1 Set (MOQ)
More
Certification : CE, TUV, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Boto Group Ltd

Manufacturer/Factory

Shanghai, China Since 2021
Chat Now Send Inquiry
1m3 Formaldehyde Climate Test Chamber Formaldehyde Emission Testing Machine

1m3 Formaldehyde Climate Test Chamber Formaldehyde Emission Testing Machine

US $ 16,900-19,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Universal Tensile Strength Tester, Environmental Testing Machine, Paper Paperboard and Packaging Tester, Furniture Testing Equipment, Leather Textile Footware Series, Drop Testing Machine Series, Bathroom Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Dongguan Lituo Testing Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Lab Micro Environmental Climate Chamber/Stability Drug Testing Machine

Lab Micro Environmental Climate Chamber/Stability Drug Testing Machine

US $ 4,500-36,800 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
High Quality Factory Produce1m³ Formaldehyde and Voc Emission Testing Climate Chamber Portable Tensile Testing Machine

High Quality Factory Produce1m³ Formaldehyde and Voc Emission Testing Climate Chamber Portable Tensile Testing Machine

US $ 2,000 / Set FOB
1 Set (MOQ)
More
Main Products: PCB Assembly, Bare PCB Board, PCB and Silkscreen Stencil, Alu Frame Printing Mesh, Sewing Machine, Printing Machine, Packing Machine, Test Machine, Food Machine, Light
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Jinxiong Electronic Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Climate Test Chamber / Temperature Humidity Testing Machine

Climate Test Chamber / Temperature Humidity Testing Machine

US $ 3,000-8,000 / set FOB
1 set (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Sailham Equipment (Dongguan) Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Environmental Test Chamber Valve Stem Test Machine Laboratory Thermostat Valve Actuator Other Test Instrument
Climate Tester Water Resistance Testing Machine Ipx1~Ipx6 Test Can Be Performed in One Chamner

Climate Tester Water Resistance Testing Machine Ipx1~Ipx6 Test Can Be Performed in One Chamner

US $ 3,000-23,000 / Set FOB
1 Set (MOQ)
More
Main Products: Temperature Humidity Climate Chamber, Environment Test Equipment, Industrial Oven, Vacuum Oven, Dust Test Chamber, Water Test Machine, Altitude Chamber, Thermal Shock Test Chamber, Walk-in Environmental Test Room, Drop Tester
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Box-Type Simulated Light Climate Solar Radiation UV Ultraviolet Weather Resistance Testing Machine

Box-Type Simulated Light Climate Solar Radiation UV Ultraviolet Weather Resistance Testing Machine

US $ 3,000-8,000 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Taiyuan Machinery Euqipment(Dongguan) Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Environment Solar Aging Test Chamber UV Resistant Climate Testing Machine

Environment Solar Aging Test Chamber UV Resistant Climate Testing Machine

US $ 25,000-60,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Universal Material Testing Machine, Climate Test Chamber, Optical Measurement Machine, Physical Property Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2011
PW INSTRUMENTS (GUANGDONG) CO., LTD.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2011
Chat Now Send Inquiry
Climate Test Steam Aging Testing Chamber Machine

Climate Test Steam Aging Testing Chamber Machine

US $ 2,000 / Piece FOB
1 Piece (MOQ)
More
Weight : 500-1000Kg
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Advanced Climate Simulation Machine for Vibration Temperature Humidity Comprehensive Testing Equipment

Advanced Climate Simulation Machine for Vibration Temperature Humidity Comprehensive Testing Equipment

US $ 28,095-140,455 / Piece FOB
1 Piece (MOQ)
More
Main Products: Temperature and Humidity Testing Chamber, Environmental Test Chamber, Chip Testing Chamber, High and Low Temperature, Lithium Battery Safety Equipment, Two in One Double-Door Climatic Test, Three-Zone Thermal Shock Chamber, Stability Walk-in Chamber, Hightly Accelerated Shock Test Machine, High Frequncy Vibration Shaker Table
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangdong MENTEK Testing Equipment Co.,Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Staibilty Automatic Climate Lad Sand and Dust Testing Machine

Staibilty Automatic Climate Lad Sand and Dust Testing Machine

US $ 1,300-10,000 / set FOB
1 set (MOQ)
More
Mass Scope of Workpiece : 900kg
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Salt Spray Climate Chamber/Salt Fog Mositure Testing Machine

Salt Spray Climate Chamber/Salt Fog Mositure Testing Machine

US $ 1,323-2,647 / Piece FOB
1 Piece (MOQ)
More
Main Products: Universal Testing Machine, Solar Cell Temsile Testing Machine, Melt Flow Rate Measurer, Hydraulic Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Suzhou Qiantong Instrument Equipment Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2020
Chat Now Send Inquiry
Automatic Test Chamber Resistant to Climate Xenon Arc Testing Machine

Automatic Test Chamber Resistant to Climate Xenon Arc Testing Machine

US $ 2,000-10,000 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, TUV, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Dongguan Xin Bao Instrument Co.,Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2012
Chat Now Send Inquiry
Related Videos
  • What is Climate Test Chamber Equipment Salt Spray Testing Machine for Nss Cass Testing
    What is Climate Test Chamber Equipment Salt Spray Testing Machine for Nss Cass Testing
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Hy-3000 (water-cooled) Solar Climate Testing Machine (water-cooled)
    What is Hy-3000 (water-cooled) Solar Climate Testing Machine (water-cooled)
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Environmental Test Chamber / Climate Temperature Humidity Testing Machine
    What is Environmental Test Chamber / Climate Temperature Humidity Testing Machine
    Negotiable
    1 set (MOQ)
    Contact Supplier
  • What is Advanced Battery Test Machine for Climate Chamber Environmental Testing Needs
    What is Advanced Battery Test Machine for Climate Chamber Environmental Testing Needs
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Corrosion Testing of Salt Spray Testing Machine for Simulating Coastal Climate Environment Equipment

Corrosion Testing of Salt Spray Testing Machine for Simulating Coastal Climate Environment Equipment

US $ 1,200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Environmental Test Chamber, Temperature Humidity Chamber, Thermal Shock Test Chamber, Temperature Aging Testing Chambers, Rapid Temperature Change Chamber, Climate Test Chamber, Salt Spray Test Machine, Walk-in Test Chamber, Test Equipment, Battery Explosion Proof Test Chamber
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
UV Aging Test Chamber/UV Resistant Climate Testing Machine

UV Aging Test Chamber/UV Resistant Climate Testing Machine

US $ 5,000-99,999 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Hy-611-3z Solar Climate Testing Machine (air cooling)

Hy-611-3z Solar Climate Testing Machine (air cooling)

US $ 36,500 / Piece FOB
1 Piece (MOQ)
More
Main Products: Universal Testing Equipment, Testing Equipment, Laboratory Equipment, Climatic Chamber, Temperature Controller, Environmental Chamber, Battery Tester, Tensile Testing, Humidity Chamber, Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Dongguan Nanxus Information Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Constant Climate Testing Machine From Boto Group

Constant Climate Testing Machine From Boto Group

US $ 5,000-20,000 / Set FOB
1 Set (MOQ)
More
Certification : CE, TUV, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Boto Group Ltd

Manufacturer/Factory

Shanghai, China Since 2021
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Electronic Programmable Climate Cyclic Corrosion Chamber Salt Spray Testing Machine

Electronic Programmable Climate Cyclic Corrosion Chamber Salt Spray Testing Machine

US $ 2,000-4,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Test Machine, Climatic Chamber, Thermal Shock Chamber, Dust Chamber, Concrete Compressive Tester, Tensile Testing Machine, Salt Spray Chamber, Vibration Test Machine, Environmental Chamber, Drying Oven
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Dongguan Xin Bao Instrument Co.,Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2012
Chat Now Send Inquiry
Zc-Th80L Climate Environmental Testing Chamber Temperature Humidity Testing Machine

Zc-Th80L Climate Environmental Testing Chamber Temperature Humidity Testing Machine

US $ 4,880-6,700 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, TUV, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Simulated Temperature and Humidity Climate Control Testing Machine

Simulated Temperature and Humidity Climate Control Testing Machine

US $ 3,000-10,000 / Set FOB
1 Set (MOQ)
More
Main Products: Temperature and Humidity Chamber, Rapid Temperature Test Chamber, Salt Spray Test Chamber, High Temperature Oven, Hot and Cold Impact Temperature Shock Chamber, Temperature Humidity Vibration Compisite Chamber, Large Walk-in Test Chamber, UV Aging Test Chamber
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Boto Group Ltd

Manufacturer/Factory

Shanghai, China Since 2021
Chat Now Send Inquiry
Industrial Climate Drying Machine with Heating Oven of Lab Battery Material Testing

Industrial Climate Drying Machine with Heating Oven of Lab Battery Material Testing

US $ 1,800-5,500 / Set FOB
1 Set (MOQ)
More
Max Diameter of Workpiece : <500mm
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
High Low Temperature Climate Simulating Testing Machine

High Low Temperature Climate Simulating Testing Machine

US $ 8,000-12,500 / Set FOB
1 Set (MOQ)
More
Main Products: Temperature Humidity Climate Chamber, Environment Test Equipment, Industrial Oven, Vacuum Oven, Dust Test Chamber, Water Test Machine, Altitude Chamber, Thermal Shock Test Chamber, Walk-in Environmental Test Room, Drop Tester
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
2000/1000 Digital Display Hydraulic Bending Fd-1 1m³ Formaldehyde Emission Test Climate Chamber Tile Abrasion Test Universal Testing Machine

2000/1000 Digital Display Hydraulic Bending Fd-1 1m³ Formaldehyde Emission Test Climate Chamber Tile Abrasion Test Universal Testing Machine

US $ 2,000 / Set FOB
1 Set (MOQ)
More
Display : Needle
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Jinxiong Electronic Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Thermal Impact Testing Machine for Climate Temperature Shock Cycle Test Chamber

Thermal Impact Testing Machine for Climate Temperature Shock Cycle Test Chamber

US $ 13,800-68,888 / unit FOB
1 unit (MOQ)
More
Main Products: Environmental Test Chamber, Temperature Humidity Chamber, Thermal Shock Test Chamber, Temperature Aging Testing Chambers, Rapid Temperature Change Chamber, Climate Test Chamber, Salt Spray Test Machine, Walk-in Test Chamber, Test Equipment, Battery Explosion Proof Test Chamber
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
High Performance ASTM1149 Resistant to Climate Xenon Arc Testing Machine

High Performance ASTM1149 Resistant to Climate Xenon Arc Testing Machine

US $ 2,000-15,000 / Piece FOB
1 Piece (MOQ)
More
Control : Computer Control
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Dongguan Xin Bao Instrument Co.,Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2012
Chat Now Send Inquiry
Temperature Humidity Simulation Climate Testing Machine

Temperature Humidity Simulation Climate Testing Machine

US $ 4,400-20,000 / Set FOB
1 Set (MOQ)
More
Main Products: Temperature Humidity Climate Chamber, Environment Test Equipment, Industrial Oven, Vacuum Oven, Dust Test Chamber, Water Test Machine, Altitude Chamber, Thermal Shock Test Chamber, Walk-in Environmental Test Room, Drop Tester
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Programmable Temperature Humidity Testing Machine/Test Chamber/Test Equipment

Programmable Temperature Humidity Testing Machine/Test Chamber/Test Equipment

US $ 4,680-9,700 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, TUV, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Zhicheng Instrument Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Laboratory Acid Salt Spray Corrosion Resistant Climate Test Machine

Laboratory Acid Salt Spray Corrosion Resistant Climate Test Machine

US $ 1,950-2,000 / Set FOB
1 Set (MOQ)
More
Main Products: Temperature Humidity Climate Chamber, Environment Test Equipment, Industrial Oven, Vacuum Oven, Dust Test Chamber, Water Test Machine, Altitude Chamber, Thermal Shock Test Chamber, Walk-in Environmental Test Room, Drop Tester
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Coating Salt Spray Corrosion Resistance Climate Test Machine

Coating Salt Spray Corrosion Resistance Climate Test Machine

US $ 1,500 / Set FOB
1 Set (MOQ)
More
Control : Manual Control
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Guangdong Yuanyao Test Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Temperature Humidity Testing Machine Xenon Arc Testing Machine Salt Spray Testing Machine Test Chamber Testing Equipment
View More

Related Searches

Testing Machine Material Testing Machine Tester Tensile Testing Machine Universal Testing Machine Test Bench Compression Testing Machine Test Equipment Test Machine Wholesale Climate Testing Machine

Browse by Categories

Home > Instruments & Meters > Test Instrument > Environmental Test Chamber
1/452
TOP

Search Filter

Categories

More Less
  • Environmental Test Chamber
  • Valve Stem
  • Test Machine
  • Laboratory Thermostat
  • Valve Actuator
  • Other Test Instrument
  • Other Equipment & Components
  • Laboratory Heating Equipment
  • Lab Drying Machine
  • Battery Tester

Certification

More Less
  • CE
  • ISO
  • TUV

Warranty

More Less
  • 1 Year
  • 3 Years
  • 2 Years

Company Type

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

Company Location

More Less
  • Guangdong
  • Shandong
  • Zhejiang
  • Hubei
  • Shanghai
  • Jiangsu
  • Henan
  • Hunan
  • Hebei
  • Shaanxi
  • Anhui
  • Fujian
  • Beijing
  • Jiangxi
  • Liaoning
  • Chongqing
  • Sichuan
  • Tianjin
  • Guangxi
Reset Done