Products

Suppliers
Filter Gallery
4,052

Nuclear Detector

Products
Radiation Detector Tester Marble Detector Phase Detector Nuclear Tester Nuclear Monitor Nuclear Dosimeter

Sorry! No matches were found.

Professional Nuclear Radiation Detector Food Contamination Radiation Detection Geiger Counter

Professional Nuclear Radiation Detector Food Contamination Radiation Detection Geiger Counter

US $ 25-30 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Air Quality Montior, Gas Detector, Mini Camera, Voice Recorder, Geiger Counter
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Langdeli Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Portable Professional Nuclear Radiation Detector Home X-ray Alpha Gamma Beta Gamma Radiation Alarm

Portable Professional Nuclear Radiation Detector Home X-ray Alpha Gamma Beta Gamma Radiation Alarm

US $ 38-45 / Piece FOB
1 Piece (MOQ)
More
Type : Portable X-ray Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
New Mini Portable Real Time X-ray Nuclear Radiation Detector

New Mini Portable Real Time X-ray Nuclear Radiation Detector

US $ 65-85 / pieces FOB
1 pieces (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, Potable Gas Leak Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry
Nuclear Radiation Detector Meter Handheld Geiger Counter with External Geiger Tube

Nuclear Radiation Detector Meter Handheld Geiger Counter with External Geiger Tube

US $ 65-67 / Piece FOB
1 Piece (MOQ)
More
Mathematical Model : Linear
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Atech Sensor Co., Ltd

Manufacturer/Factory

Shaanxi, China Since 2022
Chat Now Send Inquiry
New Fnirsi Gc-02 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Beta Gamma Detector Radioactive Tester

New Fnirsi Gc-02 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Beta Gamma Detector Radioactive Tester

US $ 28.43-29.88 / Set FOB
5 Sets (MOQ)
More
Main Products: Oscilloscope, Multimeter, Fast Charging Protocol Detection, Range Finder, Air Detection, Transistor Tester, Nuclear Radiation Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen FNIRSI Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Radiation Tester Detector Nuclear Radiation Meter Beta Gamma X-ray Cpm Level W/Alarm

Radiation Tester Detector Nuclear Radiation Meter Beta Gamma X-ray Cpm Level W/Alarm

500 Pieces (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Sun Medical Products Co., Ltd.

Manufacturer/Factory,Group Corporation

Guangdong, China Since 2019
Chat Now Send Inquiry
Factory Price Portable Geiger Counter Nuclear Radiation Detector

Factory Price Portable Geiger Counter Nuclear Radiation Detector

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Hospital Bed, Medical Equipment, Autoclave, Stretcher, Bed Head Unit, Electric Bed, Funeral Products, Ultrasound Scanner, Nurse Call System, Operating Light
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
Hedao Greentest Eco6 Food Nitrate Water Quality Nuclear Radiation Environmental Detector

Hedao Greentest Eco6 Food Nitrate Water Quality Nuclear Radiation Environmental Detector

US $ 129-150 / Piece FOB
50 Pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Fuzhou Hedao Trade Co., Ltd.

Fujian, China Since 2023
Chat Now Send Inquiry
Radiation Dose Measurement Electro Magnetic Gamma Radiation Gamma and Beta Rays Nuclear Radiation Detector

Radiation Dose Measurement Electro Magnetic Gamma Radiation Gamma and Beta Rays Nuclear Radiation Detector

US $ 45-55 / pieces FOB
1 pieces (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, Potable Gas Leak Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry
Nuclear Radiation Detector Geiger Metering Tubesprofessional-Grade Food, Seafood, Cosmetics, Radioactivity, Household Nuclear Radiation

Nuclear Radiation Detector Geiger Metering Tubesprofessional-Grade Food, Seafood, Cosmetics, Radioactivity, Household Nuclear Radiation

US $ 42.8-50 / Piece FOB
1 Piece (MOQ)
More
Type : Portable X-ray Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Nuclear Radiation Detector Gamma-Ray Beta-Ray Geiger Counter

Nuclear Radiation Detector Gamma-Ray Beta-Ray Geiger Counter

US $ 40-70 / Piece FOB
1 Piece (MOQ)
More
Main Products: Pressure Sensor, Pressure Transmitter, Level Measurement, Pressure Transducer, Water Level Sensor, Water Level Meter, Ultrasonic Level Sensor, Radar Level Sensor, Fuel Level Sensor, Flow Meter
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Atech Sensor Co., Ltd

Manufacturer/Factory

Shaanxi, China Since 2022
Chat Now Send Inquiry
Nuclear Radiation Detector Portable Handheld Radiation Monitor with LCD Display

Nuclear Radiation Detector Portable Handheld Radiation Monitor with LCD Display

US $ 39-59.9 / Piece FOB
100 Pieces (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Fasto Industrial Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2023
Chat Now Send Inquiry
Gas Analyzer X-Ray Detector Handheld Metal Detector Test Machine Other Instruments & Meters Element Analyzer
Professional Industrial Nuclear& Electromagnetic Radiation Detector Radioactive Ray Ionizing Detector

Professional Industrial Nuclear& Electromagnetic Radiation Detector Radioactive Ray Ionizing Detector

US $ 0.1-0.2 / Piece FOB
1 Piece (MOQ)
More
Main Products: Radiotherapy, Occupational Therapy, Medical Consumables, Rehabilitation Products, Surgical Instruments
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Sun Medical Products Co., Ltd.

Manufacturer/Factory,Group Corporation

Guangdong, China Since 2019
Chat Now Send Inquiry
Portable Alpha Beta Gamma X-ray Geiger Counter Nuclear Radiation Detector

Portable Alpha Beta Gamma X-ray Geiger Counter Nuclear Radiation Detector

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
X-ray Geiger Counter Nuclear Dosimeter Personal Electromagnetic Radiation Detector

X-ray Geiger Counter Nuclear Dosimeter Personal Electromagnetic Radiation Detector

US $ 45-55 / pieces FOB
1 pieces (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, Potable Gas Leak Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry
Nuclear Radiation Detector Professional Household Nuclear Contamination Nuclear Radioactive Radiation Detector Tester

Nuclear Radiation Detector Professional Household Nuclear Contamination Nuclear Radioactive Radiation Detector Tester

US $ 42.8-50 / Piece FOB
1 Piece (MOQ)
More
Type : Portable X-ray Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Portable X Y Beta Ray Measuring Geiger Counter Nuclear Radiation Detector

Portable X Y Beta Ray Measuring Geiger Counter Nuclear Radiation Detector

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Hospital Bed, Medical Equipment, Autoclave, Stretcher, Bed Head Unit, Electric Bed, Funeral Products, Ultrasound Scanner, Nurse Call System, Operating Light
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
Gamma X Ray Range0.01~1000usv/H Nuclear Radiation Tester Detector LCD Screen Display

Gamma X Ray Range0.01~1000usv/H Nuclear Radiation Tester Detector LCD Screen Display

US $ 25-30 / Piece FOB
2 Pieces (MOQ)
More
Alarm Form : Audible Alarm
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Langdeli Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
2023 New Nuclear Radiation Detector Portable Handheld Geiger Counter Nuclear Radiation Detector

2023 New Nuclear Radiation Detector Portable Handheld Geiger Counter Nuclear Radiation Detector

US $ 58 / Piece FOB
10 Pieces (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, Potable Gas Leak Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry
Multi-Function Digital Radiation Scanner Nuclear Radiation Detector Dt-9501

Multi-Function Digital Radiation Scanner Nuclear Radiation Detector Dt-9501

US $ 429 / Piece FOB
1 Piece (MOQ)
More
Form : Portable
Contact Supplier
Since 2010
Bestone Industrial Limited

Manufacturer/Factory,Trading Company

Guangdong, China Since 2010
Chat Now Send Inquiry
Related Videos
  • What is Professional Nuclear Radiation Detector Food Contamination Radiation Detection Geiger Counter
    What is Professional Nuclear Radiation Detector Food Contamination Radiation Detection Geiger Counter
    Negotiable
    2 Pieces (MOQ)
    Contact Supplier
  • What is New Mini Portable Real Time X-ray Nuclear Radiation Detector
    What is New Mini Portable Real Time X-ray Nuclear Radiation Detector
    Negotiable
    1 pieces (MOQ)
    Contact Supplier
  • What is Nuclear Radiation Detector Meter Handheld Geiger Counter with External Geiger Tube
    What is Nuclear Radiation Detector Meter Handheld Geiger Counter with External Geiger Tube
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Hedao Greentest Eco6 Food Nitrate Water Quality Nuclear Radiation Environmental Detector
    What is Hedao Greentest Eco6 Food Nitrate Water Quality Nuclear Radiation Environmental Detector
    Negotiable
    50 Pieces (MOQ)
    Contact Supplier
Nuclear Radiation Detector, Household Food Radioactive Nuclear Contamination Detector, Geiger Counter, Dose Alarm

Nuclear Radiation Detector, Household Food Radioactive Nuclear Contamination Detector, Geiger Counter, Dose Alarm

US $ 42.8-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Gas Detector, Temperature Tester, Water Quality Detector, Dust Detector, Noise Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
New Fnirsi Gc-01 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Beta Gamma Detector Radioactive Tester

New Fnirsi Gc-01 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Beta Gamma Detector Radioactive Tester

US $ 28.43-29.88 / Set FOB
5 Sets (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen FNIRSI Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Portable Gamma Beta X Ray Geiger Counter Nuclear Radiation Detector Price

Portable Gamma Beta X Ray Geiger Counter Nuclear Radiation Detector Price

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Hospital Bed, Medical Equipment, Autoclave, Stretcher, Bed Head Unit, Electric Bed, Funeral Products, Ultrasound Scanner, Nurse Call System, Operating Light
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
X-ray Geiger Counter Nuclear Radiation Detector Dosimeter Radiation Detector Personal Electromagnetic Radiation Detector

X-ray Geiger Counter Nuclear Radiation Detector Dosimeter Radiation Detector Personal Electromagnetic Radiation Detector

US $ 45-55 / Piece FOB
10 Pieces (MOQ)
More
Customized : Non-Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Nuclear Radiation Detector Gamma-Ray Beta-Ray Geiger Counter

Nuclear Radiation Detector Gamma-Ray Beta-Ray Geiger Counter

US $ 40-70 / Piece FOB
1 Piece (MOQ)
More
Main Products: Metal Detector, X-ray Machine, Check Weigher, Metal Detector Machine, X-ray Inspection System, Metal Separator, Food Metal Detector, X-ray Baggage Scanner, Fluoroscopy, Checkweigher
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Dongguan Juzheng Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Nuclear Radiation Detector Home X-ray Alpha Ray Gamma Ray Beta Ray Professional Radioactive Ray Alarm

Nuclear Radiation Detector Home X-ray Alpha Ray Gamma Ray Beta Ray Professional Radioactive Ray Alarm

US $ 38-45 / Piece FOB
1 Piece (MOQ)
More
Type : Portable X-ray Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Handheld Nuclear Radiation Detector Geiger Counter X-ray Beta Detector for Sale

Handheld Nuclear Radiation Detector Geiger Counter X-ray Beta Detector for Sale

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Hospital Bed, Medical Equipment, Autoclave, Stretcher, Bed Head Unit, Electric Bed, Funeral Products, Ultrasound Scanner, Nurse Call System, Operating Light
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
Fnirsi Gc-01 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Radioactivity

Fnirsi Gc-01 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Radioactivity

US $ 45-55 / pieces FOB
1 pieces (MOQ)
More
Type : Material Testing Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2023
Chat Now Send Inquiry
Lspec 100 Portable Nuclear Radiation Detector

Lspec 100 Portable Nuclear Radiation Detector

US $ 7,000-19,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Mini Truck, Semi Trailers, Dump Truck, Bus, Wheel Loader, Pickup, Forklift, Excavator, Truck Tractor, SUV MPV Vehicles
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Zhengzhou Resound Photoelectric Technology Research Institute Co., Ltd.

Manufacturer/Factory,Group Corporation

Henan, China Since 2013
Chat Now Send Inquiry
Nuclear Radiation Detector High Accuracy Beta Gamma X-ray Radiation Monitor

Nuclear Radiation Detector High Accuracy Beta Gamma X-ray Radiation Monitor

US $ 39-59.9 / Piece FOB
100 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Fasto Industrial Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2023
Chat Now Send Inquiry
High Quality Nuclear Radiation Detector Geiger Counter Support OEM/Obm/ODM

High Quality Nuclear Radiation Detector Geiger Counter Support OEM/Obm/ODM

US $ 47-56 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Air Quality Montior, Gas Detector, Mini Camera, Voice Recorder, Geiger Counter
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Langdeli Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
High Voltage Nuclear Phase Generator 10V-500kv Phase Detector (XHHXW-V)

High Voltage Nuclear Phase Generator 10V-500kv Phase Detector (XHHXW-V)

US $ 500-800 / Set FOB
1 Set (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Xian XZH Electric Power Technology Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2021
Chat Now Send Inquiry
Mks-05p Radiometer Personal Nuclear Radiation Alarm Detector

Mks-05p Radiometer Personal Nuclear Radiation Alarm Detector

US $ 100-10,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Mine Car, Mucking Loader, Mining Locomotive, U Steel Support, Mine Support, Wall Cement Plaster Machine, Scraper Conveyor, Crawler Dumper, Concrete Pump
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2012
Chat Now Send Inquiry
Professional Nuclear Radiation Detector Personal Dose Radiation Detection Home X-ray Alpha Ray Gamma Ray Beta Ray Professional Radioactive Ray Alarm

Professional Nuclear Radiation Detector Personal Dose Radiation Detection Home X-ray Alpha Ray Gamma Ray Beta Ray Professional Radioactive Ray Alarm

US $ 38-45 / Piece FOB
1 Piece (MOQ)
More
Form : Portable
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Geiger Counter Lab Equipment Nuclear Radiation Detector for Precise Safety Measurements

Geiger Counter Lab Equipment Nuclear Radiation Detector for Precise Safety Measurements

US $ 40-60 / Piece FOB
1 Piece (MOQ)
More
Main Products: Environment Testing Machine, Universal Testing Machine, Shoes Testing Machine, Leather Testing Machine, Tensile Testing Machine, Testing Equipment, Aging Testing Machine, Testing Machine, Measuring Machine, Mask Making Instrument
Contact Supplier
Since 2016
GREAT WIN INSTRUMENT CO., LTD.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
Nuclear Radiation Detector Nuclear Wastewater Tester with Multi Language

Nuclear Radiation Detector Nuclear Wastewater Tester with Multi Language

US $ 25-50 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Suzhou Thriving Medical Equipment Corp.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2009
Chat Now Send Inquiry
Radiation Detector Tester Marble Detector Phase Detector Nuclear Tester Nuclear Monitor Nuclear Dosimeter
View More

Related Searches

Testing Machine Tester Radiation Meter X Ray Detector Flaw Thickness Gauge Radiation Detector Ultrasonic Flaw Detector Ndt Wholesale Nuclear Detector

Browse by Categories

Home > Instruments & Meters > Analysis Instrument > Gas Analyzer
1/113
TOP

Search Filter

Categories

More Less
  • Gas Analyzer
  • X-Ray Detector
  • Handheld Metal Detector
  • Test Machine
  • Other Instruments & Meters
  • Element Analyzer
  • Other Electronic Instruments
  • Other Detectors
  • Other Medical Equipment
  • Cable Tester

Application

More Less
  • Security Check
  • Industrial

Certification

More Less
  • CE
  • ISO

Customized

More Less
  • Customized
  • Non-Customized

Form

More Less
  • Portable
  • Flatbed

Portable

More Less
  • Portable
  • Non Portable

Company Type

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

Company Location

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