Products

Suppliers

Filter Gallery
22,303

Auto Gas Tester

Products
Electronic Instrument Tester Analysis Instrument Digital Tester Gas Analyzer Gas Analyser

Sorry! No matches were found.

Tester Pressure Gauge Tester Kit Motor Auto Petrol Gas Engine Cylinder Car

Tester Pressure Gauge Tester Kit Motor Auto Petrol Gas Engine Cylinder Car

US $ 10-12 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Workwear, Woodworking Tools, Pipe Tools, School Bus Stop, Garden Tools, Dent Puller Tool, Measuring Tools, Tool Set, Generator, Caulking Gun
Contact Supplier
Audited Supplier
Sy International Trade Co., Ltd.

Shanghai, China Since 2023
Chat Now Send Inquiry
Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker Us

Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker Us

US $ 14-22.88 / sets FOB
1 sets (MOQ)
More
Display : LCD
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Combustible Gas Leak Tester Portable Natural Gas Sniffer

Combustible Gas Leak Tester Portable Natural Gas Sniffer

US $ 14-23 / Piece FOB
1 Piece (MOQ)
More
Main Products: Detector, Gas Detector, Portable Gas Detector, Fixed Gas Detector, Gas Detector Controller, Night Vision, Waterproof Metal Detector, Online Industrial Gas Analyzer, Portable Multi Gas Detector
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Digital Multimeter Smart DC Voltmeter Resistance Frequency Tester Measuring Instruments

Digital Multimeter Smart DC Voltmeter Resistance Frequency Tester Measuring Instruments

US $ 14-22.88 / sets FOB
1 sets (MOQ)
More
Connection Type : USB
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Gd-6541A Petroleum Products Automatic Interfacial Tension Tester / Surface Tension Tester

Gd-6541A Petroleum Products Automatic Interfacial Tension Tester / Surface Tension Tester

US $ 1-5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Purifier, Fire Testing Equipment, Petroleum Products Testing Equipment, Electrical Testing Equipment, Transformer Test Set, Oil Test Kit, Fire Retardant Test, Cone Calorimeter, Bdv Tester, Flash Point Tester
Contact Supplier
Audited Supplier
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Chongqing, China Since 2007
Chat Now Send Inquiry
Vehicle Scanner Machine Auto Diagnostic Tester Dt-710

Vehicle Scanner Machine Auto Diagnostic Tester Dt-710

US $ 850 / Piece FOB
1 Piece (MOQ)
More
Power : Manual
Contact Supplier
Audited Supplier
Taian Dongtai Machine Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
Chat Now Send Inquiry
ASTM F2622 Plastic Film and Sheeting Oxygen Gas Tramsmission Rate Tester Using Various Sensors

ASTM F2622 Plastic Film and Sheeting Oxygen Gas Tramsmission Rate Tester Using Various Sensors

US $ 15,000-47,000 / Set FOB
1 Set (MOQ)
More
Main Products: Medical Device Tesing Machine, Catheter Flow Rate and Pressure Tester, Catheter Burst Pressure Tester, Surgical Needle Penetration Bend Tester, Hypodermic Needle Penetration Tester, Syringe Air Leakage Tester, Syringe Positive Pressure Tightness Tester, Catheter Friction Tester, Ampoule Break Force Tester, Water Vaper Permeability Tester
Contact Supplier
Audited Supplier
Pubtester Instruments Co., Ltd.

Shandong, China Since 2022
Chat Now Send Inquiry
Terek Computer Control Safety Relief Valve Tester Performs Srv Set Pressure and Seat Leakage Tests

Terek Computer Control Safety Relief Valve Tester Performs Srv Set Pressure and Seat Leakage Tests

US $ 16,500-16,900 / Piece FOB
1 Piece (MOQ)
More
Mass Scope of Workpiece : >20000kg
Contact Supplier
Audited Supplier
SHANDONG TEREK MANUFACTURE & TRADING CO., LTD.

Shandong, China Since 2019
Chat Now Send Inquiry
ASTM D2863 ISO4589-2 Limited Oxygen Index Tester Plastic Flammability Analyzer

ASTM D2863 ISO4589-2 Limited Oxygen Index Tester Plastic Flammability Analyzer

US $ 2,000-4,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Purifier, Fire Testing Equipment, Petroleum Products Testing Equipment, Electrical Testing Equipment, Transformer Test Set, Oil Test Kit, Fire Retardant Test, Cone Calorimeter, Bdv Tester, Flash Point Tester
Contact Supplier
Audited Supplier
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Chongqing, China Since 2007
Chat Now Send Inquiry
Automatic Pensky-Martens Closed Cup Flash Point Tester

Automatic Pensky-Martens Closed Cup Flash Point Tester

US $ 2,000-4,000 / Piece FOB
1 Piece (MOQ)
More
Display : Digital
Contact Supplier
Audited Supplier
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Chongqing, China Since 2007
Chat Now Send Inquiry
Portable Temperature Tester Natural Gas Sniffer Propane Methane Leak Tester

Portable Temperature Tester Natural Gas Sniffer Propane Methane Leak Tester

US $ 14-22.88 / sets FOB
1 sets (MOQ)
More
Main Products: Detector, Gas Detector, Portable Gas Detector, Fixed Gas Detector, Gas Detector Controller, Night Vision, Waterproof Metal Detector, Online Industrial Gas Analyzer, Portable Multi Gas Detector
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Skz1050-N2 Handhold Type N2 100 %Vol Gas Sensor Nitrogen Gas Purity Tester

Skz1050-N2 Handhold Type N2 100 %Vol Gas Sensor Nitrogen Gas Purity Tester

US $ 332.5-350 / Set FOB
1 Set (MOQ)
More
Gas : N2
Contact Supplier
Audited Supplier
SKZ International Co., Ltd.

Shandong, China Since 2020
Chat Now Send Inquiry
Related Searches
Flash Point Tester Alcohol Sensor Alcohol Tester Wholesale Auto Gas Tester Auto Tester Tool Universal Auto Tester
Metal Processing Machinery Parts Test Machine Gravity Casting Die Casting Stamping Gas Analyzer
Locating Type Fixtures Holding Type Fixtures Modular Type Fixtures Turning Tools Of Cutting Tools Milling Cutters Of Cutting Tools Drills Of Cutting Tools
Stirling Refrigeration Principle SF6 Gas Dew Point Tester

Stirling Refrigeration Principle SF6 Gas Dew Point Tester

US $ 10,000-25,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Transformer Testers, Partial Discharge Test System, Insulation Tester, High Voltage Test Set, Switchgears Test Set
Contact Supplier
Audited Supplier
HV Hipot Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2011
Chat Now Send Inquiry
Pubtester ASTM F2622 Plastic Film and Sheeting Oxygen Gas Tramsmission Rate Tester Using Various Sensors China Factory

Pubtester ASTM F2622 Plastic Film and Sheeting Oxygen Gas Tramsmission Rate Tester Using Various Sensors China Factory

US $ 15,000-47,000 / Set FOB
1 Set (MOQ)
Contact Supplier
Audited Supplier
Pubtester Instruments Co., Ltd.

Shandong, China Since 2022
Chat Now Send Inquiry
HVhipot SF6 Gas Humidity Test Dew Point Tester (Chilled Mirror Method)

HVhipot SF6 Gas Humidity Test Dew Point Tester (Chilled Mirror Method)

US $ 26,000-40,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Transformer Testers, Partial Discharge Test System, Insulation Tester, High Voltage Test Set, Switchgears Test Set
Contact Supplier
Audited Supplier
HV Hipot Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2011
Chat Now Send Inquiry
SF6 Gas Dew Point Tester (Chilled Mirror Method)

SF6 Gas Dew Point Tester (Chilled Mirror Method)

US $ 10,000-25,000 / Piece FOB
1 Piece (MOQ)
More
Portable : Portable
Contact Supplier
Audited Supplier
HV Hipot Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2011
Chat Now Send Inquiry
SF6 Gas Dew Point Tester Moisture Meter (Chilled Mirror Method)

SF6 Gas Dew Point Tester Moisture Meter (Chilled Mirror Method)

US $ 14,118-23,939 / Piece FOB
1 Piece (MOQ)
More
Main Products: Transformer Testers, Partial Discharge Test System, Insulation Tester, High Voltage Test Set, Switchgears Test Set
Contact Supplier
Audited Supplier
HV Hipot Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2011
Chat Now Send Inquiry
Semi-Auto Closed Cup Flash Point Meter Pensky-Martens Flash Point Tester ASTM D93

Semi-Auto Closed Cup Flash Point Meter Pensky-Martens Flash Point Tester ASTM D93

US $ 500-1,000 / Piece FOB
1 Piece (MOQ)
More
Load Way : Electronic Load
Contact Supplier
Audited Supplier
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Chongqing, China Since 2007
Chat Now Send Inquiry
Pm350 Aerosol Photometer Generato Textile Tester

Pm350 Aerosol Photometer Generato Textile Tester

US $ 4,500-8,500 / Piece FOB
1 Piece (MOQ)
More
Main Products: Gas Detector/Air Monitor/Gas Analyzer/Air Analyzer/Gas Alarm
Contact Supplier
Audited Supplier
Beijing Zetron Technology Co., Ltd

Trading Company

Beijing, China Since 2024
Chat Now Send Inquiry
Pm350 Aerosol Photometer Generato Textile Tester

Pm350 Aerosol Photometer Generato Textile Tester

US $ 4,500-8,500 / Piece FOB
1 Piece (MOQ)
More
Portable : Portable
Contact Supplier
Audited Supplier
Beijing Zetron Technology Co., Ltd

Trading Company

Beijing, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker Us
    What is Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker Us
    US $ 14-22.88 /sets
    1 sets (MOQ)
    Contact Supplier
  • What is Combustible Gas Leak Tester Portable Natural Gas Sniffer
    What is Combustible Gas Leak Tester Portable Natural Gas Sniffer
    US $ 14-23 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Digital Multimeter Smart DC Voltmeter Resistance Frequency Tester Measuring Instruments
    What is Digital Multimeter Smart DC Voltmeter Resistance Frequency Tester Measuring Instruments
    US $ 14-22.88 /sets
    1 sets (MOQ)
    Contact Supplier
  • What is Gd-6541A Petroleum Products Automatic Interfacial Tension Tester / Surface Tension Tester
    What is Gd-6541A Petroleum Products Automatic Interfacial Tension Tester / Surface Tension Tester
    US $ 1-5 /Piece
    1 Piece (MOQ)
    Contact Supplier
Terek Portable Safety Relief Valve Tester

Terek Portable Safety Relief Valve Tester

US $ 6,300-6,700 / Piece FOB
1 Piece (MOQ)
More
Main Products: Booster Pump, Pneumatic Booster Pump, Hydrostatic Test Bench and Burst Test Equipment, Safety Valve Test Machine, Pressure Test Equipment
Contact Supplier
Audited Supplier
SHANDONG TEREK MANUFACTURE & TRADING CO., LTD.

Shandong, China Since 2019
Chat Now Send Inquiry
Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker LCD Us

Nkyf-X4a Digital Gas-Leak Detector Portable Gas-Leak Tester Methane Butane Checker LCD Us

US $ 14-23 / Piece FOB
1 Piece (MOQ)
More
Display Mode : Indicator
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Viktec Professional Dual Pressure Gauges Engine Compression 5PC Cylinder Leak Down Tester for Car Truck Motorcycle

Viktec Professional Dual Pressure Gauges Engine Compression 5PC Cylinder Leak Down Tester for Car Truck Motorcycle

US $ 16.9-21.6 / Set FOB
100 Sets (MOQ)
More
Main Products: Engine Timing Tool, Under Car Tool, Brake Tool, Oil Service Tool, Hand Tool, Socket Set, Air Power Tool, Motorcycle Tool
Contact Supplier
Audited Supplier
Ningbo Dicong Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Auto Gas Tester FAQ
  • QWhat advantages come with purchasing metal processing machinery parts wholesale?

    Discover the perfect addition to your Metal Processing Machinery Parts with our Auto Gas Tester.When you opt to purchase metal processing machinery parts wholesale, you benefit from volume discounts, consistent product quality, and customization options. Wholesale transactions often offer competitive pricing and the assurance of acquiring preferred components from dependable suppliers.

  • QHow can I source top-quality metal processing machinery parts from China?

    The Auto Gas Tester is a standout piece in our Metal Processing Machinery Parts collection.Finding top-quality metal processing machinery parts from China can be accomplished by leveraging online platforms, attending industry exhibitions, or utilizing supplier directories. It is crucial to validate supplier credentials and request samples to affirm quality. Collaborating with a reputable manufacturer also ensures reliability.

  • QWhat are the common materials used in metal processing machinery parts manufacturing?

    Enhance your Metal Processing Machinery Parts setup with our premium Auto Gas Tester.Metal processing machinery parts are often crafted from materials such as steel, aluminum, and titanium. Each material brings its unique properties in terms of durability, strength, and cost factor. Engaging with reputable suppliers or manufacturers can offer insights on material selection.

Mass Spectrometry Battery Gas Evolution Test Platform Battery Cycle Tester

Mass Spectrometry Battery Gas Evolution Test Platform Battery Cycle Tester

US $ 8,914 / Piece FOB
1 Piece (MOQ)
More
Application : Lithium-ion Battery
Contact Supplier
Audited Supplier
Shenzhen Hongda New Energy Co., Ltd.

Guangdong, China Since 2023
Chat Now Send Inquiry
Insulating Boots Gloves Withstand Tester Insulation Level and Breakdown Testing System

Insulating Boots Gloves Withstand Tester Insulation Level and Breakdown Testing System

US $ 600-2,500 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Transformer, Impulse Voltage Generator, Vlf Hipot Test Equipment, Loop Resistance Tester, Relay Protection Tester, Pd Test System, Cable Fault Tester, Tuning Resonance Test Device, DC Hv Generator, Lightning Arrester
Contact Supplier
Audited Supplier
Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
Chat Now Send Inquiry
Intelligent Coulometric Karl Fischer Titration Oil Trace Water Content Tester

Intelligent Coulometric Karl Fischer Titration Oil Trace Water Content Tester

US $ 850-2,096 / Piece FOB
1 Piece (MOQ)
More
Type : Universal Testing Machine
Contact Supplier
Audited Supplier
Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2015
Chat Now Send Inquiry
Uce UC2831c+ Two Different Signal Source Output Impedance Digital Lcr Tester

Uce UC2831c+ Two Different Signal Source Output Impedance Digital Lcr Tester

US $ 620 / set FOB
1 Piece (MOQ)
Contact Supplier
Changzhou Chuangkai Electronic Co., Ltd.

Jiangsu, China
Chat Now Send Inquiry
Classical Alcohol Tester Personal Alcohol Concentration Detector with Mouthpiece

Classical Alcohol Tester Personal Alcohol Concentration Detector with Mouthpiece

US $ 2.5-3.5 / Piece FOB
1 Piece (MOQ)
More
Portable : Portable
Contact Supplier
Shenzhen Taoyue Electronic Technology Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Digital Multimeter Voltmeter Automatic Voltage Range Resistance Frequency Tester

Digital Multimeter Voltmeter Automatic Voltage Range Resistance Frequency Tester

US $ 14-23 / Piece FOB
1 Piece (MOQ)
More
Main Products: Detector, Gas Detector, Portable Gas Detector, Fixed Gas Detector, Gas Detector Controller, Night Vision, Waterproof Metal Detector, Online Industrial Gas Analyzer, Portable Multi Gas Detector
Contact Supplier
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Air Suspension Strut Fitigue Tester for Shock Absorber Testing Machine

Air Suspension Strut Fitigue Tester for Shock Absorber Testing Machine

US $ 60,000 / Piece FOB
1 Piece (MOQ)
More
Type : Gas-Filled
Contact Supplier
Audited Supplier
Qingdao Manwo Vibration Technology Co., Ltd.

Shandong, China Since 2019
Chat Now Send Inquiry
ASTM D95 Two Samples Water Content Tester Gd-260A

ASTM D95 Two Samples Water Content Tester Gd-260A

US $ 500-3,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Purifier, Fire Testing Equipment, Petroleum Products Testing Equipment, Electrical Testing Equipment, Transformer Test Set, Oil Test Kit, Fire Retardant Test, Cone Calorimeter, Bdv Tester, Flash Point Tester
Contact Supplier
Audited Supplier
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Chongqing, China Since 2007
Chat Now Send Inquiry
CO2 Cylinder Head Gasket Combustion Leak Detector Tester Test Kit with 3 Adapters

CO2 Cylinder Head Gasket Combustion Leak Detector Tester Test Kit with 3 Adapters

US $ 10.77-11.24 / Piece FOB
50 Pieces (MOQ)
Contact Supplier
Audited Supplier
Hangzhou Sinkee Technology Co., Ltd.

Zhejiang, China Since 2025
Chat Now Send Inquiry
120kv-5mA Electrical Equipment Supplies Auto DC High Voltage Generator High Voltage DC Hipot Tester

120kv-5mA Electrical Equipment Supplies Auto DC High Voltage Generator High Voltage DC Hipot Tester

US $ 380-2,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Oil Transformer, Impulse Voltage Generator, Vlf Hipot Test Equipment, Loop Resistance Tester, Relay Protection Tester, Pd Test System, Cable Fault Tester, Tuning Resonance Test Device, DC Hv Generator, Lightning Arrester
Contact Supplier
Audited Supplier
Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory & Trading Company

Hubei, China Since 2018
Chat Now Send Inquiry
Tu-15c Car Diesel Engine Cylinder Pressure Diagnostic Tester

Tu-15c Car Diesel Engine Cylinder Pressure Diagnostic Tester

US $ 23-28 / Piece FOB
10 Pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier
Shaoxing Schiller Import and Export Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
ISO 6508-2 ASTM E18 Fully Automatic Large Display Rockwell Hardness Tester Customized for Gas Cylinders Hardness Testing

ISO 6508-2 ASTM E18 Fully Automatic Large Display Rockwell Hardness Tester Customized for Gas Cylinders Hardness Testing

US $ 8,600-18,900 / Set FOB
1 Set (MOQ)
More
Main Products: Tensile Testing Machine, Hardness Tester, Plastic PVC Tester, Juicer, Beer Brewing Equipment, Ethanol Distilling Equipment, Beer Barrel, Railway Spring, Metallographic Cutting Equipment, Grinding Polishing Machine
Contact Supplier
Audited Supplier
Jinan Chenji International Trade Co., Ltd.

Shandong, China Since 2021
Chat Now Send Inquiry
SCITEK Laboratory Analysis Instrument Pocket Dissolved Oxygen Tester

SCITEK Laboratory Analysis Instrument Pocket Dissolved Oxygen Tester

US $ 4,900-5,600 / Unit FOB
1 Unit (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier
Scitek China Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
Chat Now Send Inquiry
View More

Related Searches

Auto Tensile Tester Auto Gas Analyzer Auto Sensor Tester Breathalyzer Digital Alcohol Tester Alcohol Detector Breath Alcohol Tester Breath Tester Breathalyser Breathalyzer Alcohol Tester

You may also like

Auto Electronic Auto Electrics auto electronic products auto electric products Auto Hardware Auto Machine

Browse by Categories

Home > Manufacturing & Processing Machinery > Metallic Processing Machinery > Metal Processing Machinery Parts > Locating Type Fixtures
1/620
TOP

Search Filter

Categories

More Less
  • Metal Processing Machinery Parts
  • Test Machine
  • Gravity Casting
  • Die Casting
  • Stamping
  • Gas Analyzer
  • Other Analysis Instruments
  • Component Tester
  • Multimeter
  • Measuring Device

Accuracy Grade

More Less
  • 0.5
  • 1

Mass Scope of Workpiece

More Less
  • <900kg
  • >20000kg
  • 900kg
  • 10000kg
  • 2000kg
  • 1000kg
  • 3000kg
  • 9000kg

Oil Cylinder Position

More Less
  • Under
  • Top

Power Source

More Less
  • AC220V
  • AC380V
  • AC110V

Weight

More Less
  • 0-100Kg
  • 100-500Kg
  • >2000Kg
  • 1000-2000Kg
  • 500-1000Kg

Company Type

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

Company Location

More Less
  • Shandong
  • Guangdong
  • Zhejiang
  • Tianjin
  • Chongqing
  • Jiangsu
  • Hubei
  • Shanghai
  • Liaoning
  • Hebei
  • Hunan
  • Beijing
  • Fujian
  • Henan
  • Shaanxi
  • Anhui
  • Jiangxi
  • Shanxi
  • Sichuan
  • Ningxia
  • Guangxi
  • Hongkong S.A.R.
  • Guizhou
Reset Done