Products

Suppliers
Filter Gallery
6,940

Wholesale Tracer

Products
Lighting Controller Tracer Locator Cable Route Tracer Underground Cable Path Tracer Underground Cable Route Tracer Water Proof Locator Tracer Cable Tester Wire Tracer

Sorry! No matches were found.

China Factory Wholesales Underground Cable Fault Tracer

China Factory Wholesales Underground Cable Fault Tracer

US $ 3,000-10,000 / 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 Audited Supplier Since 2018
Kiyu Power Wuhan Co., Ltd

Manufacturer/Factory

Hubei, China Since 2018
Chat Now Send Inquiry
Tracer an Series Controlador De Carga Solar MPPT

Tracer an Series Controlador De Carga Solar MPPT

US $ 38 / Piece FOB
1 Piece (MOQ)
More
Application : Collector Controller, Water Heater Controller, Solar System Controller, Charger Controller, Lighting Controller, Wind Controller, Solar Working Station, Voltage Controller, Thermal Controller
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Sunpal Power Co., Ltd.

Anhui, China Since 2020
Chat Now Send Inquiry
Xhgx507b Digital Underground Cable Pipeline Locator Multi Function Cable Route Tracer for Cable Path and Depth Measurement

Xhgx507b Digital Underground Cable Pipeline Locator Multi Function Cable Route Tracer for Cable Path and Depth Measurement

US $ 3,990-4,050 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
GD-2132 Undergrounf Cable Route Finder Pipe and Cable Route Tracer

GD-2132 Undergrounf Cable Route Finder Pipe and Cable Route Tracer

US $ 2,294-3,823 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2011
HV Hipot Electric Co., Ltd.

Manufacturer/Factory

Hubei, China Since 2011
Chat Now Send Inquiry
China Factory Supplier Underground Cable Locator Metal Detector Cable Route Tracer

China Factory Supplier Underground Cable Locator Metal Detector Cable Route Tracer

US $ 5,750-5,950 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Xzh Test Manufacturer Portable Cable Route Tracer Cable Path Finder

Xzh Test Manufacturer Portable Cable Route Tracer Cable Path Finder

US $ 1,000-1,050 / Set FOB
1 Set (MOQ)
More
Customized : Non-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
Factory Underground Pipe Locator Portable Cable Path Finder Cable Tracer

Factory Underground Pipe Locator Portable Cable Path Finder Cable Tracer

US $ 900-950 / Set FOB
1 Set (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Cable Path Meter Route Tracking Finder Cable Pipeline Route Tracer

Cable Path Meter Route Tracking Finder Cable Pipeline Route Tracer

US $ 7,057-8,800 / Piece FOB
1 Piece (MOQ)
More
Test Mode : Point Test
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Wuhan Hertz Power Equipment Co., Ltd

Manufacturer/Factory

Hubei, China Since 2024
Chat Now Send Inquiry
Electric Cable Metal Pipe Locator Underground Cables Fault Locator Cable Path Meter Route Tracer

Electric Cable Metal Pipe Locator Underground Cables Fault Locator Cable Path Meter Route Tracer

US $ 1,980-2,080 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
CAS No. 59572-10-0 Water-Soluble Cooling Water System Fluorescent Probe Ptsa Tracer

CAS No. 59572-10-0 Water-Soluble Cooling Water System Fluorescent Probe Ptsa Tracer

US $ 68-75 / kg FOB
25 kg (MOQ)
More
Color : Yellow
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Cable Path Meter Route Tracking Finder Cable Route Tracer Price

Cable Path Meter Route Tracking Finder Cable Route Tracer Price

US $ 1,000-1,452 / Piece FOB
1 Piece (MOQ)
More
Main Products: Hipot Tester, Insulation Resistance Tester, Oil Tester, Circuit Breaker, Relay Protection Tester, Capacitor, High Voltage Generator, Testing Transformer, Power Quality Analyzer, Clamp Meter
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2015
Chat Now Send Inquiry
Yw-751 Network Phone Line Wire Cable Tracer

Yw-751 Network Phone Line Wire Cable Tracer

US $ 25.4-31.2 / Piece FOB
1 Piece (MOQ)
More
Color : Black
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Shenzhen Yowexa Measurement Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2015
Chat Now Send Inquiry
Gas Analyzer Cable Tester Night Vision Gas Water Treatment Chemical Test Machine
High Voltage Underground Cable Fault Locator Underground Cable Route Tracer

High Voltage Underground Cable Fault Locator Underground Cable Route Tracer

US $ 1,000-20,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Transformer Test Equipment, Circuit Breaker Testing Equipment, High Voltage Test System, CT PT Testing and Calibrating, High Voltage Insulation Testing, DC System and Battery Testing, Cable Faults, Test and Diagnostics, Arrester and Insulator Testing
Contact Supplier
Audited Supplier Audited Supplier Since 2019
EP HIPOT ELECTRIC CO., LTD.

Manufacturer/Factory,Trading Company

Hubei, China Since 2019
Chat Now Send Inquiry
Quality Assurance Coban 10, 000 mAh Battery Super Long Waiting Desk Sos Tracer for Car

Quality Assurance Coban 10, 000 mAh Battery Super Long Waiting Desk Sos Tracer for Car

US $ 29.19-30.19 / Piece FOB
10 Pieces (MOQ)
More
Screen Size : No Screen
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Shenzhen Coban Electronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2012
Chat Now Send Inquiry
Xzh Test Factory Underground Cable Path Tracer and Cable Fault Pinpointing Locator

Xzh Test Factory Underground Cable Path Tracer and Cable Fault Pinpointing Locator

US $ 690-750 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Sensory Play Color Cognition Light Panel LED Drawing Tattoo Vinyl Animation Tracer

Sensory Play Color Cognition Light Panel LED Drawing Tattoo Vinyl Animation Tracer

US $ 24-26 / Piece FOB
50 Pieces (MOQ)
More
Age Range : All Ages
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Zhongshan Junlong Display Factory

Manufacturer/Factory

Guangdong, China Since 2008
Chat Now Send Inquiry
China Factory Price Underground Cable Fault Locator Testing System High Voltage Surge Generator Cable Route Tracer

China Factory Price Underground Cable Fault Locator Testing System High Voltage Surge Generator Cable Route Tracer

US $ 13,500-14,500 / Set FOB
1 Set (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Xzh Test High Voltage Power Cable Pipe Locator Portable Cable Route Tracer

Xzh Test High Voltage Power Cable Pipe Locator Portable Cable Route Tracer

US $ 900-950 / Set FOB
1 Set (MOQ)
More
Certification : CE
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
Fluorescent Tracer in High Pressure Boiler 1, 5-Naphthalenedisulfonic Acid Tetrahydrate Ndsa CAS No. 211366-30-2

Fluorescent Tracer in High Pressure Boiler 1, 5-Naphthalenedisulfonic Acid Tetrahydrate Ndsa CAS No. 211366-30-2

US $ 34-43 / kg FOB
25 kg (MOQ)
More
Main Products: Water Treatment Checmials, Swimming Pool Chemicals, Daily Care Polyquaternium
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Xzh Cable Fault Locator China Factory Underground Metal Cable Pipeline Locator Cable Route Tracer

Xzh Cable Fault Locator China Factory Underground Metal Cable Pipeline Locator Cable Route Tracer

US $ 1,980-2,080 / Piece FOB
1 Piece (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
Related Videos
  • What is Tracer an Series Controlador De Carga Solar MPPT
    What is Tracer an Series Controlador De Carga Solar MPPT
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is GD-2132 Undergrounf Cable Route Finder Pipe and Cable Route Tracer
    What is GD-2132 Undergrounf Cable Route Finder Pipe and Cable Route Tracer
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is China Factory Supplier Underground Cable Locator Metal Detector Cable Route Tracer
    What is China Factory Supplier Underground Cable Locator Metal Detector Cable Route Tracer
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Xzh Test Manufacturer Portable Cable Route Tracer Cable Path Finder
    What is Xzh Test Manufacturer Portable Cable Route Tracer Cable Path Finder
    Negotiable
    1 Set (MOQ)
    Contact Supplier
China Factory Cable Fault Pathfinder High Voltage Detector Underground Cable Route Tracer

China Factory Cable Fault Pathfinder High Voltage Detector Underground Cable Route Tracer

US $ 1,000-1,050 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Underground Cable Path Tracer and Depth Measurement with Electromagnetic Induction Principle

Underground Cable Path Tracer and Depth Measurement with Electromagnetic Induction Principle

US $ 900-950 / Piece FOB
1 Piece (MOQ)
More
Test Mode : Instant Test
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
Latest Pull Rod Style Underground Cable Route Tracer

Latest Pull Rod Style Underground Cable Route Tracer

US $ 900-950 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Xzh Test Underground Cable Path Tracer Detecting Buried Depth Xhlj504

Xzh Test Underground Cable Path Tracer Detecting Buried Depth Xhlj504

US $ 690-750 / Piece FOB
1 Piece (MOQ)
More
Usage : Audio Cable Tester, Coaxial Cable Tester, Digital Cable Tester
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

Not exactly what you want?

Post Sourcing Request

Fluorescein Sodium Salt Acid Yellow 73 Boiler Fluorescent Tracer for Food Industry CAS 518-47-8

Fluorescein Sodium Salt Acid Yellow 73 Boiler Fluorescent Tracer for Food Industry CAS 518-47-8

US $ 38-44 / kg FOB
25 kg (MOQ)
More
Main Products: Water Treatment Checmials, Swimming Pool Chemicals, Daily Care Polyquaternium
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Xhlj504L Manufacturing Factory Underground Portable Cable Path Finder Cable Route Tracer

Xhlj504L Manufacturing Factory Underground Portable Cable Path Finder Cable Route Tracer

US $ 900-950 / Piece FOB
1 Piece (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
China Factory Xhlj504L Portable Underground Cable Route Tracer Cable Path Finder

China Factory Xhlj504L Portable Underground Cable Route Tracer Cable Path Finder

US $ 900-950 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Classical Cable Path Tracer with Cable Fault Pinpointing Xhlj504 for Sale

Classical Cable Path Tracer with Cable Fault Pinpointing Xhlj504 for Sale

US $ 690-750 / Piece FOB
1 Piece (MOQ)
More
Test Region : Forming Cable
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
Tracers Can Effectively Detect Chemical Substances and Make Rational Use of Them

Tracers Can Effectively Detect Chemical Substances and Make Rational Use of Them

US $ 75-80 / kg FOB
50 kg (MOQ)
More
Main Products: Water Treatment Checmials, Swimming Pool Chemicals, Daily Care Polyquaternium
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Xzh Test Underground Cable Route Tracer 100W 0~2A Audio Frequency

Xzh Test Underground Cable Route Tracer 100W 0~2A Audio Frequency

US $ 1,000-1,050 / Piece FOB
1 Piece (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
Yw-751 Network Maintenance Collation Telephone Line Test Multifunction Wire Tracer

Yw-751 Network Maintenance Collation Telephone Line Test Multifunction Wire Tracer

US $ 25.4-31.2 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coating Thickness Gauge, Data Logger, Temperature Humidity Monitor, Air Quality Monitor, Thermometer, Yw Meter
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Shenzhen Yowexa Measurement Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2015
Chat Now Send Inquiry
Factory Sales Tie Rod Cable Fault Path Meter Cable Tracer

Factory Sales Tie Rod Cable Fault Path Meter Cable Tracer

US $ 900-950 / Piece FOB
1 Piece (MOQ)
More
Usage : Digital Cable Tester
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
Ptsa Salt 98 Fluorescent Tracer Easily Soluble in Cooling Water Treatment Chemicals CAS 59572-10-0 Nalco Trasar 23299

Ptsa Salt 98 Fluorescent Tracer Easily Soluble in Cooling Water Treatment Chemicals CAS 59572-10-0 Nalco Trasar 23299

US $ 62-80 / kg FOB
25 kg (MOQ)
More
Main Products: Water Treatment Checmials, Swimming Pool Chemicals, Daily Care Polyquaternium
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Fluorescent Tracing Dye Fluorescein Sodium Dark Red Powder Uranine for Boiler Water Treatment Tracer CAS No. 518-47-8

Fluorescent Tracing Dye Fluorescein Sodium Dark Red Powder Uranine for Boiler Water Treatment Tracer CAS No. 518-47-8

US $ 38-48 / kg FOB
25 kg (MOQ)
More
Type : Industrial Circulating Water Treatment Agent
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Xzh Test Full Frequency Underground Metallic Cable and Pipe Locator Route Tracer

Xzh Test Full Frequency Underground Metallic Cable and Pipe Locator Route Tracer

US $ 1,980-2,080 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cable Fault Locator, Power Transformer Testing, Circuit Breaker Analyzer, Miro Ohmmeter, Hv Switch Tester, Sf6 Gas Leak Detector, Relay Protection Tester, Hipot Tester, Digital Earth Resistance Tester, Lighting Arrest Tester
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
Dust-Free for Easy Ptsa 98% Powder Handling Water Treatment Chemicals Fluorescent Tracer

Dust-Free for Easy Ptsa 98% Powder Handling Water Treatment Chemicals Fluorescent Tracer

US $ 72-120 / Piece FOB
10 Pieces (MOQ)
More
Environmental Protection : Yes
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Langfang BLD Trade Co., Ltd.

Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Lighting Controller Tracer Locator Cable Route Tracer Underground Cable Path Tracer Underground Cable Route Tracer Water Proof Locator Tracer Cable Tester Wire Tracer
View More

Browse by Categories

Home > Instruments & Meters > Analysis Instrument > Gas Analyzer
1/193
TOP

Search Filter

Categories

More Less
  • Gas Analyzer
  • Cable Tester
  • Night Vision
  • Gas
  • Water Treatment Chemical
  • Test Machine
  • Other Test Instrument
  • Other Detectors
  • Signal Generator
  • Handheld Metal Detector

Certification

More Less
  • CE
  • RoHS
  • FCC

Customized

More Less
  • Customized
  • Non-Customized

Power

More Less
  • Electricity

Test Region

More Less
  • Forming Cable
  • Unformed

Usage

More Less
  • Digital Cable Tester
  • Audio Cable Tester
  • Coaxial Cable Tester
  • Network Cable Tester
  • HDMI Cable Tester

Company Type

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

Company Location

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

Product Types

More Less
  • SecuredTrading
  • Buy Sample
Reset Done