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Optical Instrument Electronic Instrument Hardness Tester PH Meter Tester Digital Tester

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Portable TDS Water Tester - Digital LCD Pen for Water Quality Testing

Portable TDS Water Tester - Digital LCD Pen for Water Quality Testing

US $ 0.66-1.01 / Piece FOB
1 Piece (MOQ)
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Main Products: Garden Lights, Car Accessories, Lights & Lighting, Consumer Electronics, Lawn Mower Accessories, Mini Thermal Printers
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Colpoint Technology Limited

Trading Company

Guangdong, China Since 2022
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Non-Contact LCD Digital Voltage Tester 12V-1000V Multifunction Pen Tester

Non-Contact LCD Digital Voltage Tester 12V-1000V Multifunction Pen Tester

US $ 3.5 / Piece FOB
1,000 Pieces (MOQ)
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Changsha Jose Trade Co., Ltd.

Hunan, China Since 2017
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TDS Temperature Test Pen, Digital TDS Meter for Measuring 0-9990 Ppm, Water Quality Tester, The Best Price

TDS Temperature Test Pen, Digital TDS Meter for Measuring 0-9990 Ppm, Water Quality Tester, The Best Price

US $ 1.38 / Piece FOB
5 Pieces (MOQ)
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Main Products: Sensor, Instrument
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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3V-30V DC Professional Digital Car Electrical Tester Pen with LCD Display Continuity Voltage Polarity Test

3V-30V DC Professional Digital Car Electrical Tester Pen with LCD Display Continuity Voltage Polarity Test

US $ 5.06-6.5 / Piece FOB
500 Pieces (MOQ)
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Certification : CE, RoHS
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Hangzhou Tonny Electric & Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2006
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Portable Pen Type Leeb Hardness Tester Digital Non-Destructive Metal Testing Durometer

Portable Pen Type Leeb Hardness Tester Digital Non-Destructive Metal Testing Durometer

US $ 666-1,369 / Piece FOB
1 Piece (MOQ)
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Main Products: X-Ray Flaw Detection and X-ray Tube
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Huangshi Shangfang Inspection Equipment Co., Ltd.

Manufacturer/Factory

Hubei, China Since 2021
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Phscan30s Pen Type Pocket pH Tester

Phscan30s Pen Type Pocket pH Tester

US $ 180-220 / Piece FOB
1 Piece (MOQ)
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Zhejiang Top Cloud-Agri Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2013
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Digital Compact Pen Type Hardness Tester L-5PRO

Digital Compact Pen Type Hardness Tester L-5PRO

US $ 100-600 / set FOB
1 set (MOQ)
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Main Products: Metallographic Sample Preparation Machine, Ultrasonic Flaw Detector, Surface Roughness Tester, Thickness Meter, Metallurgical Microscope, Brinell Hardness Testing Machine, Vickers Hardness Testing Equipment, Shore Durometer, Portable Leeb Rebound Hardness Test Equipment, Rockwell Hardness Tester
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EBPu Electromechanical Equipment (Zhejiang) Co., Ltd.

Zhejiang, China Since 2020
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High Quality Household Voltage Tester Electric Test Screwdriver Pen

High Quality Household Voltage Tester Electric Test Screwdriver Pen

1,000 Pieces (MOQ)
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Display Type : Analogue and Digital
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Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
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Laboao Pocket Tester Lorp1 Pocket Pen Water Test Digital pH Meter Tester

Laboao Pocket Tester Lorp1 Pocket Pen Water Test Digital pH Meter Tester

US $ 96.8-156.8 / Piece FOB
1 Piece (MOQ)
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Main Products: Reactor, Rotary Evaporator, Bioreactor Fermenter, Freeze Dryer, Spray Dryer, Lab Drying Oven, Laboratory Equipment, Drug Testing Instrument, Chemical Analysis Instrument, Agriculture Testing Instrument
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Zhengzhou Laboao Instrument Equipment Co., Ltd.

Henan, China Since 2018
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Wholesale Multifunctional Digital Display Car Circuit Auto Repair Tool Electric Pen Tester

Wholesale Multifunctional Digital Display Car Circuit Auto Repair Tool Electric Pen Tester

US $ 7.48-8.36 / Piece FOB
140 Pieces (MOQ)
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Standard : Standard
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Good Seller Co., Ltd

Trading Company

Zhejiang, China Since 2010
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Htl 5600 Pen Type Leeb Hardness Tester

Htl 5600 Pen Type Leeb Hardness Tester

US $ 119-159 / Piece FOB
1 Piece (MOQ)
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Main Products: Electronic Testing Machine, Hydraulic Universal Testing Machine, Compression Testing Machine, Impact Testing Machine, Bending Testing Machine, Hardness Tester/Testing Machine, Friction and Wear Testing Machine, Metallographic Equipments, Torsion Testing Machine, NDT/Force Gauge/Tension Meter
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Jinan Kason Testing Equipment Co., Ltd.

Shandong, China Since 2016
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125mm AC110-250V Electrical Tester / Test Pencil / Test Pen

125mm AC110-250V Electrical Tester / Test Pencil / Test Pen

US $ 0.2-0.3 / Piece FOB
360 Pieces (MOQ)
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Application : Home
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ShunDe Jiatian Hard Tool Co., Ltd.

Guangdong, China Since 2019
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Diabetic Foot Sensory Screening Monofilament Tester Testing Pen Pin

Diabetic Foot Sensory Screening Monofilament Tester Testing Pen Pin

US $ 0.49 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Aneroid Sphygmomanometer, Stethoscope, Digital Thermometer, Tourniquet
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Wenzhou Caretek Medical Device Co.,Ltd

Trading Company

Zhejiang, China Since 2006
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Hioki 3246-60 Pen Multimeter Tester 3481-20 Two-Color Light

Hioki 3246-60 Pen Multimeter Tester 3481-20 Two-Color Light

US $ 52-62 / Piece FOB
1 Piece (MOQ)
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Shenzhen HOBOY Instruments Co., Ltd.

Trading Company

Guangdong, China Since 2023
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TDS-3 Meter Water Qualtity Tester Pen for Home Drinking Water Purifier

TDS-3 Meter Water Qualtity Tester Pen for Home Drinking Water Purifier

US $ 1.5-1.8 / Piece FOB
500 Pieces (MOQ)
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Main Products: RO System
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Yancheng Olap Water Purification Equipment Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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5 In1 High-Precision pH Water Monitoring Controller Tester Pen

5 In1 High-Precision pH Water Monitoring Controller Tester Pen

US $ 8.9-13.27 / Piece FOB
2 Pieces (MOQ)
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Glede Industrial Multifunctional Voltage Tester Insulated Electrical Test Pen Chrome Steel Plastic OEM Customizable Screwdriver

Glede Industrial Multifunctional Voltage Tester Insulated Electrical Test Pen Chrome Steel Plastic OEM Customizable Screwdriver

1,000 Pieces (MOQ)
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Main Products: Linear Actuator
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Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
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Digital Portable Pen Type Rockwell Hardness Tester with Pocket Size

Digital Portable Pen Type Rockwell Hardness Tester with Pocket Size

US $ 100-600 / set FOB
1 set (MOQ)
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Calibrating Method : Standard Hardness Test Blocks
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EBPu Electromechanical Equipment (Zhejiang) Co., Ltd.

Zhejiang, China Since 2020
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Portable pH Water Quality Tester Pen 0.01 Accuracy Meter

Portable pH Water Quality Tester Pen 0.01 Accuracy Meter

US $ 1.5-1.8 / Piece FOB
500 Pieces (MOQ)
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Main Products: RO System
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Yancheng Olap Water Purification Equipment Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Pen Type Portable Leeb Hardness Tester with Mini Printer

Pen Type Portable Leeb Hardness Tester with Mini Printer

1 Piece (MOQ)
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Application : Metal, Plastic, Ceramics and Glass
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Sinowon Innovation Metrology Manufacture Limited

Guangdong, China Since 2014
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    What is Non-Contact LCD Digital Voltage Tester 12V-1000V Multifunction Pen Tester
    US $ 3.5 /Piece
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is TDS Temperature Test Pen, Digital TDS Meter for Measuring 0-9990 Ppm, Water Quality Tester, The Best Price
    What is TDS Temperature Test Pen, Digital TDS Meter for Measuring 0-9990 Ppm, Water Quality Tester, The Best Price
    US $ 1.38 /Piece
    5 Pieces (MOQ)
    Contact Supplier
  • What is 3V-30V DC Professional Digital Car Electrical Tester Pen with LCD Display Continuity Voltage Polarity Test
    What is 3V-30V DC Professional Digital Car Electrical Tester Pen with LCD Display Continuity Voltage Polarity Test
    US $ 5.06-6.5 /Piece
    500 Pieces (MOQ)
    Contact Supplier
  • What is Portable Pen Type Leeb Hardness Tester Digital Non-Destructive Metal Testing Durometer
    What is Portable Pen Type Leeb Hardness Tester Digital Non-Destructive Metal Testing Durometer
    US $ 666-1,369 /Piece
    1 Piece (MOQ)
    Contact Supplier
Precision Pen for Lab Ec and Temperature Monitoring pH Tester

Precision Pen for Lab Ec and Temperature Monitoring pH Tester

US $ 9.8-11.12 / Piece FOB
5 Pieces (MOQ)
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Main Products: Sensor, Instrument
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Hto9V21 Pen-Type 650nm Visual Fault Locator Fiber Optic Laser Tester Tool

Hto9V21 Pen-Type 650nm Visual Fault Locator Fiber Optic Laser Tester Tool

US $ 1-5 / Piece FOB
1 Piece (MOQ)
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Feature : Moistureproof, Fire/Flame Retardant, Explosion-Proof, Insulation, Antimagnetic
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HOLIGHT Fiber Optic Co., Ltd.

Guangdong, China Since 2016
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12-220V Voltage Tester Pen Non-Contact Induction Test Pencil Voltmeter Power Detector Electrical Screwdriver Voltage Indicator

12-220V Voltage Tester Pen Non-Contact Induction Test Pencil Voltmeter Power Detector Electrical Screwdriver Voltage Indicator

1,000 Pieces (MOQ)
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Main Products: Linear Actuator
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Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
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About Pen Tester FAQ

  • QWhere can I find reliable manufacturers of pH meters?

    The Pen Tester is an essential part of our pH Meter offerings.Finding reliable pH meter manufacturers in China can be done through industry directories, B2B platforms, and trade shows. Choose suppliers with a solid reputation and experience in producing high-quality instruments. Verify certifications and request product samples for quality assurance.

  • QWhy should I consider buying pH meters in bulk?

    The Pen Tester is an essential part of our pH Meter offerings.Purchasing pH meters in bulk offers cost savings, ensures supply availability, and streamlines the procurement process. Bulk buying from a trustworthy supplier can qualify you for discounts and customized solutions, meeting your specific measurement instrument needs.

  • QWhat is the importance of calibrating a pH meter?

    Discover the perfect addition to your pH Meter with our Pen Tester.Calibrating a pH meter is crucial for ensuring accuracy in measurements. Regular calibration helps maintain the instrument's reliability and accuracy, necessary for accurate readings in various solutions. Consult a professional supplier for calibration tips.

Write-out Performance Tester for The Abrasion Resistance of Writing Pen

Write-out Performance Tester for The Abrasion Resistance of Writing Pen

US $ 100-2,000 / Set FOB
1 Set (MOQ)
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Automatic Grade : Semi-Automatic
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Uts International Co., Ltd

Fujian, China Since 2024
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TDS Meter 5031 Pen Total Dissolved Solids Test Pen Water Quality TDS Tester

TDS Meter 5031 Pen Total Dissolved Solids Test Pen Water Quality TDS Tester

US $ 46.96-58.72 / sets FOB
1 sets (MOQ)
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Main Products: Colony Counter, Quanti-Tray System, Ultrapure Water Systems, Laboratory Centrifuges, Water Quality Analyzers, Laboratory Balances, Magnetic Stirrer, Glass Reactor
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Shanghai Haiker Environmental Protection Equipment Co., Ltd

Trading Company

Shanghai, China Since 2024
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Dissolved Oxygen Analyzer Meter Digital Portable Do Pen Type Water Quality Tester

Dissolved Oxygen Analyzer Meter Digital Portable Do Pen Type Water Quality Tester

US $ 65-75 / Piece FOB
2 Pieces (MOQ)
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Customized : Non-Customized
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Shenzhen Bestone Industrial Co. Ltd.

Guangdong, China Since 2010
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High Accuracy Digital TDS Conductivity Meter Portable Pen Domestic Water Purity Tester

High Accuracy Digital TDS Conductivity Meter Portable Pen Domestic Water Purity Tester

US $ 1-1.52 / Piece FOB
2 Pieces (MOQ)
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Main Products: Sensor, Instrument
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Pen Testers: Sleek, Reliable Tools for Instant Field Measurements.

Pen Testers: Sleek, Reliable Tools for Instant Field Measurements.

US $ 106-229 / Piece FOB
1 Piece (MOQ)
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Display : LED
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Audited Supplier
Suzhou Newmeen Scientific Instruments Co., Ltd.

Jiangsu, China Since 2024
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B07 Electrical Tester Pen Voltage Indicator Test Pencil Tester Screwdriver 100-500V Neon Bulb Non-Contact Insulation Test Pen

B07 Electrical Tester Pen Voltage Indicator Test Pencil Tester Screwdriver 100-500V Neon Bulb Non-Contact Insulation Test Pen

1,000 Pieces (MOQ)
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Main Products: Linear Actuator
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Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
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Versatile Water Tester Pen for Comprehensive Home Water Quality Analysis

Versatile Water Tester Pen for Comprehensive Home Water Quality Analysis

US $ 11.26-13.14 / Piece FOB
5 Pieces (MOQ)
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Certification : CE
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Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Ls252dl Metal Leeb Hardness Measuring Device Pen Type Portable Leeb Hardness Tester for Gear

Ls252dl Metal Leeb Hardness Measuring Device Pen Type Portable Leeb Hardness Tester for Gear

US $ 325-338 / Piece FOB
1 Piece (MOQ)
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Main Products: Ultrasonic Flaw Detector, Flaw Detector, Eddy Current Detector, Climate Chamber, Image Measuring Instrument, Thickness Gauge, Leeb Hardness Tester, Roughness Waviness Tester, Coating Thickness Gauge, Industrial Endoscope
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Shenzhen Taijin Precision Instrument Co., Ltd

Guangdong, China Since 2024
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Voltage Tester Pen Non-Contact Induction Test Pencil Voltmeter Power Detector Electrical Screwdriver Voltage Indicator

Voltage Tester Pen Non-Contact Induction Test Pencil Voltmeter Power Detector Electrical Screwdriver Voltage Indicator

1,000 Pieces (MOQ)
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Certification : RoHS, CE
Contact Supplier
Audited Supplier
Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
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High Accuracy Handheld Precision Digital TDS pH Meter Portable Pen Water Purity Tester

High Accuracy Handheld Precision Digital TDS pH Meter Portable Pen Water Purity Tester

US $ 1-1.52 / Piece FOB
2 Pieces (MOQ)
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Main Products: Sensor, Instrument
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Yw-322 AC Non-Contact Voltage Tester Live/Null Wire Distinguish Pen

Yw-322 AC Non-Contact Voltage Tester Live/Null Wire Distinguish Pen

US $ 7.2-8.8 / Piece FOB
1 Piece (MOQ)
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Usage : Meter for Industry and Home Use
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Shenzhen Yowexa Measurement Technology Co., Ltd.

Guangdong, China Since 2015
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Electrical Electrician Voltage Test Screwdriver Pen Voltage Tester

Electrical Electrician Voltage Test Screwdriver Pen Voltage Tester

1,000 Pieces (MOQ)
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Main Products: Linear Actuator
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Ningbo Dragon Electronics and Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2017
Chat Now Send Inquiry
Gd-2801e1 ASTM Standard Automatic Asphalt/Bitumen Needle Penetration Tester

Gd-2801e1 ASTM Standard Automatic Asphalt/Bitumen Needle Penetration Tester

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

Chongqing, China Since 2007
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Related Searches

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