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Electronics

科学、测试和实验室设备

elec

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科学、测试和实验室设备供应商和制造商

Scientific, Testing & Laboratory Equipments

Optimum Optoelectronics Corporation

It is a versatile and easy to operate spectral light meter, and it&rsquo;s only made use spectrometer for the hand-held spectrophotometer, without a computer can accurately measure &quot;all types of&quot; lighting products (such as: LED, OLED, plant lights, halogen lamps, shadow less lamp, fluorescent ...etc.), It&rsquo;s ideal for lighting installers, designers and engineers, as well as, conventional architectural and stage/ studio lighting, even lab research applications. 	 Using integrating sphere as light entrance port, consist perfect cosine effect at different angel. 	 Unique long focal length, high precision spectrometer for measurement. 	 Fast booting level, can perform instant measurement, no unnecessary action, measurement result is real time display. 	 Huge storage capacity can connect to PC to export the data, transfer and remote operation control. 	 Simple operation with accurate measurement, R1~R15 measurement are clearly shown. 	 Spectral wavelength resolution 0.5nm, half-wavelength width resolution 1.0nm. 	 The only instruments measure Irradiance / Radiant in the world. 	 Extensive model: SRI-2000UV, wavelength from 250-850nm. SRI-200+, wavelength from 350-1050nm  

Spectral Light Meter

漳州市东方智慧型仪器表有限公司

 	 The ground search metal detectors can be used for the detection and identification of the metals underground 	 Alarm Mode: Light, audio (beep or earphone) 	 Adjustable sensitivity 	 Max. Depth: 1.5m 	 Lithium battery 	 Power Source: DC 5V / 0.6W, 1250mAh, lithium battery x 1pc  

Ground Search Metal Detector

Fuzhou Hedao Trade Co.,Ltd

RHB-32ATC Brix 0 to 32% ATC
Brix Refractometer is developed for working with sugar related liquids such as fruit juice, soft-drinks, wine, and honey to help monitor and control sugar concentrations in foods and beverages. It is also useful in checking the &ldquo;ripeness&rdquo;of fruit in the field and verifying product quality after harvesting and/or controlling concentrations during processing and packaging. Refractometer provide critical information to ensure product quality.RHB-32ATC is commonly used for controlling the concentration of various industrial fluids like cutting lubricants and flux rinsing compounds. 	 Measuring Range: 0-32% Brix 	 Minimum Division: 0.2% Brix 	 Accuracy: &plusmn;0.2% 	 ATCCompensationRange: 10&deg;C~30&deg;C (50&deg;F~86&deg;F) 	 Reference Temperature: 20&deg;C 	 Length: 170mm 	 Weight: 250g 	 Durable and built to last long 	 Uses ambient light only which means battery or power source is not required 	 Heavy-duty and lightweight with its aluminum construction 	 Easy to focus and calibrate 	 Accurate testing results guaranteed 	 Made with the highest and finest quality of aluminum &amp; rubber that makes it lightweight 	 Cushioned with soft &amp; comfortable non-slip rubber 	 Extremely easy-to-use and calibrate 	 Equipped with Built-in ATC compensation Range (Automatic Temperature Compensation) from 10&deg; to 30&deg; to correct temperature discrepancies during use  

Brix Refractometer 0-32%ATC

石家庄数英仪器有限公司

	Frequency range: 1500MHz max for sine wave	Perfect combination of DDS and PLL techniques	High level of frequency accuracy: up to 1ppm	Complete AM/FM/FSK/PSK modulation function	Standard communication interface: USB Device and RS-232

TFG 3615 Synthesized Signal Generator

Design Features Two 200MHz general-purpose channelsTypical 25ps single-shot time resolution11 digits/s frequency resolutionOptional 5×10–10/day high-stability time base4.3' TFT-LCD display to show abundant informationFirm and sophisticated standard 2U designStandard interface of RS-232, GPIB and LANSpecifications Measuring FunctionFrequency RangeChannel 1: 1mHz-200MHzChannel 2: 1mHz-200MHzChannel 3: options 3GHz/6.5GHz/12.4GHz/ 16GHz/20GHz/26.5GHz/40GHz Measurement Resolution11 digits/sPeriod5ns-1000sTime Interval Range1ns-10000sTime Resolution25psPulse Width1ns-10000sDuty Cycle1%-99%Totalize0~1×1013Phase Difference1°~359°InputDynamic Range50mVrms~1.0Vrms (Sine), 150mVpp~4.5Vpp (Pulse)Input Impedance1MΩ//35pF or 50ΩCoupling ModeAC or DCInput Attenuation×1 or×10Trigger Level-5.000V~+5.000V, min.step 1mV or auto trigger levelOther FunctionsFrequency Ratioratio value range:0.00001~999999Up/Low Limit'Limit'light on shows the result out of range, off shows within rangeStatistics CalculationMulti-average, Max, Min, PPM, SD, Allan VarianceStandard Time BaseDaily Aging1×10-8/dayYearly Aging5×10-7/yearOptional Time BaseDaily Aging5×10-10/dayYearly Aging5×10-8/yearChannel OptionsFrequency RangeDynamic Range3.0GHz100MHz~3GHzA. -27dBm~+19dBm (100MHz~2.6GHz)            -15dBm~+19dBm (2.6GHz~3GHz) 100MHz~3GHzB. -27dBm~+19dBm6.5GHz200MHz~6.5GHz-15dBm~+13dBm12.4GHz6.5GHz~12.4GHz-15dBm~+10dBm16.0GHz6.5GHz~16GHz-15dBm~+10dBm20.0GHz200MHz~20GHz-10dBm~+10dBm (200MHz~350MHz) -15dBm~+10dBm (350MHz~18GHz) -10dBm~+10dBm(18GHz~20GHz)26.5GHz10GHz~26.5GHz-20dBm~+10dBm(10GHz~20GHz)-15dBm~+10dBm(20GHz~24GHz)-10dBm~+10dBm(24GHz~26.5GHz)40GHz18GHz~40GHz-29dBm~+15dBm(18GHz~20GHz)-20dBm~+15dBm(20GHz~28GHz)-29dBm~+10dBm(28GHz~37GHz)-20dBm~+13dBm(37GHz~40GHz)DamageLevel+20dBmGeneral CharacteristicsInterfaceRS-232, GPIB, LANPowerStandard: AC220V (10%), 50Hz (5%), &lt;70VAOptional: AC110V (10%),60Hz (5%), &lt;70VADimension &amp; Weight454×97.5×480mm, 7.3Kg

SS7406 Frequency Counter

Overview SU5600 Series-Pulse Function Arbitrary Waveform Generators have excellent specifications and powerful functional features, which can generate a variety of waveforms, frequency of pulse up to 120MHz and sine up to 240MHz. Pattern generator is also available for SU5601 and SU5602, can generate up to 120 Mbit/s ideal and arbitrary bit shape pattern.With many working modes: modulation, burst and sweep,you can quickly complete a variety of measurement work. Features 1 or 2 channel is selectable, differential outputsPulse, sine, square, ramp, noise, arbitrary and pattern (optional) could be generatedNoise, with selectable crest factor, and signal repetition time of 26 days14-bit, 2GSa/s arbitrary waveform, 512k samples deep arbitrary waveform memory per channelFM, AM, PM, PWM, FSK modulation capabilities up to 10MHzTrigger, sweep and burst modes are supported.Pattern generator with 16Mbit memory is optionalCommunication interfaces USB Device, USB Host, LAN and GPIB are providedSpecifications   

SU5600 Series Pulse Function Arbitrary Waveform Generator

 	 Model:&nbsp;PH-107 	 Measuring&nbsp;range:&nbsp;0.00~14.00pH 	 Resolution:&nbsp;0.1pH 	 Accuracy:&nbsp; &plusmn;0.1pH(@20&deg;C&nbsp;&nbsp;&nbsp;&nbsp;&plusmn;0.2pH&nbsp; 	 Calibration:&nbsp;Manual,1point 	 Environment:&nbsp;RH95% max,0-50&nbsp;&deg;C&nbsp;&nbsp;(32 to 122&deg;F) 	 Power: 3&times;1.5v&nbsp;alkaline 	 Dimension: 152&times;30&times;21mm 	 Weight: 50g  

pH Meter

  Specification  

For measuring the absolute salinity of Natural Sea Water(NSW)
Almost all hand held salt water refractometers available to the hobby are designed and calibrated for the testing of brine solutions, i.e. sodium chloride, and are not calibrated for the refractive index of natural sea water.

&nbsp;
This is a very important distinction.&nbsp;

The Reef Sea Meter is designed to measure Salinity of Natural Sea Water taking into account the other elements that comprise salinity in the marine water sampled. Even though the largest percentage of salt in the sea is sodium chloride, the presence of other significant ions such as magnesium and calcium in natural sea water results in a different refractive index relative to that of brine. A standard salt (brine)refractometer will therefore not give the correct salinity for Natural Sea Waterand a conversion factor must be applied.&nbsp;
&nbsp;
EASIER TO READ

One of the other problems with most refractometers is that the scale displayed normally reads from 0-100ppt when we are really only interested in the region from 30-40ppt.

Our&nbsp;NEW&nbsp;SEAWATER REFRACTOMETER&nbsp;has therefore been specifically designed to read from 0-40ppt which gives you 2.5 times the resolution of a normal 0-100 scale.

&nbsp;
&nbsp;  Specifications:   	 0-40 ppt of Salinity in NSW &ndash; 	 1.000 to 1.030 Specific Gravity 	 Minimum Division: 1.00 PPT - 0.001 SG&nbsp; 	 Accuracy: +/-1.00 PPT - +/- 0.001 SG  

Portable Salinity Refractometer 

美特(中国)有限公司

 	 Detect 2&quot;x4&quot; stud upto 0.75&quot; (18mm) thickness of drywall 	 Auto Calibration 	 With sound and light feedback 	 Compact in size and user friendly 	 Operated by 1.5V x 2 pcs. button cell batteries (LR44, AG13, L1154 etc.) 	 Batteries included  

Stud Detector with keychain_

This is a multifunctional metal detector with a sleek and elegant appearance. It is used to detect the presence of metal nearby. This metal detector is easy and safe to operate.

 Key Specifications/Special Features: 

- Detect metal&nbsp;
- Non-contact AC Voltage: 70-600VAC&nbsp;
- Continuity check: 0-50M ohm&nbsp;
- DC Polarity check: 6 - 36VDC&nbsp;
- Ionizer test&nbsp;
- Foldable sensing arm up to 90o&nbsp;
- Compact in size&nbsp;
- Audible and visible&nbsp;
- Battery powered : &nbsp;2 x 1.5V (L1154 / LR44 / AG13)&nbsp;
- Dimension (LxWxD) mm : 140x30x20&nbsp;
- Worldwide patent pending&nbsp;
- Originated, designed and developed by MEET

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.

Multifunctional Metal Detector

深圳市励骏光电有限公司

Wireless OBDII trip monitor Diagnostic Adapter for Android and iSO phones 	 Wireless Diagnostic Adapter CBlackbox-BT(BLE327)Bluetooth 4.0 	 Operate the diagnose on iphone/iPad and Android Smart phone via Bluetooth 4.0 	 Works with all OBD-II compliant vehicles 	 Wireless (Bluetooth 4.0) in10 meter 	 Software included for Android and iPhone 	 All Apps for Android and iPhone are designed by ourselves, download for free via Internet.  Functions: 	 Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions ). 	 Clear trouble codes and turn off the MIL (&quot;Check Engine&quot; light) 	 Display real-time driving data, including:	 		 Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Timing Advance, Horsepower,&nbsp; Engine load 	 	 	 All data are counted for each trip as each day, each week, each year. 	 Record every day and every month driving information. 	 Including the driving time, driving mileage, average speed, max speed, max RPM, fuel consumption, fuel cost. 	 Track each trip route in Google Map, including the starting time, stop time, driving time, Max speed, average speed, Max RPM, fuel consumption, Fuel cost. Etc. 	 Maintenance record and remind for oil reset, brake replace, air filter, wheeled transposition. tire, nozzle ,etc 	 Support mobiles: All iOS and Android smart phone with Bluetooth 4.0 	 iOS (iPhone 4S,5, 5C, 5S and later, iPad 2，iPad Air, iPad mini, iPad mini 2 and later) 	 At least Android 4.3 (support for Bluetooth 4.0 phones)  Vehicle Coverage 	 All OBD2 &amp; EOBD compliant vehicles with a 16-pin interface(include all 1996 and newer cars, light trucks and SUVs sold in the United States, all 2000 and newer sold in the Europe, Japan and Asian Area) CAN, VPW, PWM, ISO9141, KW2000 protocols compliant vehicles(including those equipped with the next-generation protocol Control Area Network.)  

Wireless OBDII Trip Monitor Diagnostic Adapter

Key Specifications/Special Features :

- High / Low Senstivity select&nbsp;
- Auto sensitivity / Audible &amp; visible&nbsp;
- Vibration (Option)&nbsp;
- Rechargeables 9V input jack&nbsp;
- Battery powered : 1 x 9V (6F22 / 6LR61 / 1604)&nbsp;
- Dimension (LxWxD) mm : 415x45x80
- Weight (approx.) grams : 332&nbsp; (without battery)
- Packaging : Standard color gift box

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.

Metal Detector

 	 Auto calibration and adjustable sensitivity for metal detection 	 Sensitivity detection distance : 	 0mm iron pipe : 70-100mm 	 6&quot; dragger / pistol : 100-130mm 	 With sound and light feedback 	 Low battery warning 	 Operated by one 9V/NEDA 1604/1604A; IE6F22/6FR61 battery [battery not include]  

High Sensitivity Handheld Metal Detector_

 Key Specifications/Special Features: 

- Second generation of our MS-58 series metal detector&nbsp;
- 4-in-1 functions&nbsp;
- Detects metal: Maximum detecting distance approximately 2 inches (50mm) when the metal conduit/pipe diameter is 20mm&nbsp;
- Non-contact AC voltage: 70VAC to 600VAC&nbsp;
- Continuity check: 0 to 50m ohms&nbsp;
- DC polarity check: 6VDC to 36VDC&nbsp;
- Can be used as flashlight or torch&nbsp;
- With 0o&nbsp;to 180o&nbsp;degree sensor arm&nbsp;
- With sound and light feedback&nbsp;
- Battery powered : 1 x 9V (6F22 / 6LR61 / 1604)&nbsp;
- Dimension (LxWxD) mm : 170x.32x31
- UK patent number: 2079183&nbsp;
- German patent number: 49902356.0&nbsp;
- Hong Kong patent number: 9811556.9&nbsp;
- Worldwide patent pending&nbsp;
- Originated, designed and developed by MEET

Multifunction Metal Detector

港芝国际有限公司

Features:   A simple and accurate electromagnetic (EMF) gauss meter.  Specifications:   Size: 4x1-3/4x7/8 inch.   Weight: 2.5 oz. including battery.   Power: single 1.5V AAA alkaline battery (included).   Display: 10 high visibility LEDs.   Display range: 1.34 to 30 milliGauss.   Detection range: 50-60 Hz.   Accuracy: +/- 3dB over full range calibration traceable to NBS standards.  

Electrosensor (Electromagnetic Field Detector)

 Key Specifications/Special Features: 

- Contact ACV test : 70-250VAC&nbsp;
- Non-contact ACV test : from 100VAC (single wire)&nbsp;
- Continuity check, i.e. fuse, bulb and wiring etc.&nbsp;
- DC Voltage / Polarity check : 1.5V - 24VDC&nbsp;
- Proper connection check of electrical appliances&nbsp;
- Gound / Earthing check of electrical appliances&nbsp;
- Locate broken wire&nbsp;
- With vial for level measuring&nbsp;
- Wide viewing angle&nbsp;
- Super bright long lasting instant blinks LED&nbsp;
- Save energy more than 70% when normal operation&nbsp;
- With retractable driver blade for more safety when storage&nbsp;
- Battery powered :&nbsp;2 x 1.5V (L736 / LR41 / AG3)
- Dimension (LxWxD) mm : 138x20x20
- Worldwide patent pending
- Originated, designed and developed by MEET

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.

Digital Tester

  Introduction :  

External wireless connectivity moisture meter is designed for use in wide applications, such as : 	 For locating water leaks behind walls, above ceilings and below floors. 	 For wood working, measure moisture content before finishing, painting processing. 	 For textile industries, regular check moisture content of fabrics and leathers, quality check to prevent mold. 	 For printing industries, check moisture content of paper before printing. 	 One of the most advantages of the meter is wirelessly connect to Smart phone / Tablet / PC to view data, record reading, capture picture with data on it and send the information to headquarter.  
  Key Specifications/Special Features :   	 Sense type : Spherical / pin-point non-destructive / remote pin 	 External output jack for pin type measurement 	 Replaceable sense stick &amp; stainless steel pins with protective cover 	 Auto zero calibration and self-calibraton check 	 Measuring : 6.0-87.6 (% WME) or 0.1-99.9 REL 	 Relative reading (Rel) 	 Large LCD with backlight display + Color 32 dot LED (bar type)&nbsp; 	 User pre-set selectable mode that is APO, alarm&nbsp; 	 Measure wood / concrete moisture&nbsp; 	 5V (DC) input 	 Auto Power Off when below 5.5V within : &lt; 10 secs. 	 Non-destructive measuring depth : 100mm / 4.0 inches max. 	 Low battery indication : &lt; 6.5V 	 Operating current : &lt; 70mA max. 	 Freeze / Hold reading 	 Audible sound 	 Standalone mode : without external wireless module 	 Wireless connectivity transmit data to Smart phone/Tablet with iOS APPS or Android APPS(require external wireless module MS-WMB1, sold separately) 	 Data logger compatible (require external wireless with memory module MS-WMBM1, sold separately) 	 Battery powered : 1 x 9V (6F22 / 6LR61 / 1604)&nbsp; 	 Dimension (LxWxD) mm : 240x70x40 	 Weight (approx.) grams : 205 (without battery)&nbsp;  

Wireless Connectivity Moisture Meter with pin type and sense stick 

Brix refractometer RHB-82ATC

Developed for measuring the sugar content of concentrated fruit juice, condensed milk, liquefied sugar and jam. It provides critical information to ensure product quality whether the users are checking &amp; verifying product quality after harvesting or controlling concentrations during processing and packaging. It&#39;s FULLY EQUIPPED with ATC that automatically adjust itself to correct temperature discrepancies during use. Capable of measuring with high accuracy and provides precise results. It&#39;s equipped with vivid and sharp reticle chart for easy and comfortable reading. It uses ambient light only and no batteries are needed. Made by experienced craftsmen and are unlikely to break down!

Specifications: 	 Measuring Range: 45-82%Brix 	 Minimum Division: 0.5%Brix 	 (ATC) Temperature Compensation Range:10&deg;C~30&deg;C 	 &nbsp;Approved by strict quality and safety standards 	 Durable and built to last long 	 Heavy-duty and lightweight with its aluminum construction 	 Easy to focus and calibrate 	 Accurate testing results guaranteed 	 Made with the highest and finest quality of aluminum &amp; rubber that makes it lightweight 	 Cushioned with soft &amp; comfortable non-slip rubber 	 Equipped with ATC 	 Extremely easy-to-use and calibrate  
A Set Includes 	 1 x Handheld Refractometer 	 1 x Instruction manual 	 1 x Mini screw driver 	 1 x Pipette 	 Hard plastic cases,with sponge filled  

Refractometer Brix

Kilter Electronic Institute Co., Ltd.

 	 Test range between 1&nbsp;&times; 104&nbsp;to 1999&nbsp;&times;104&nbsp;ions/cc 	 Resolution:1&nbsp;&times; 104&nbsp;ions/cc 	 Display concentration of positive and negative air ion&nbsp; 	 &nbsp; 	 Check Ion Generator 	 LCD Display: Max reading of 1999. 	 Test the textile or cloth,judge the ion&#39;s polarity and concentration&nbsp; 	 Attention :don&#39;t touch the rear square metal of the tester&nbsp; and keep your body to groundwhen testing; 	 Supplied by 2 x LR44 button size battery 	 Dimensions:78mm(L) x 27mm(W) x 9mm(H)&nbsp;  

KT-401 Mini AIR Ion Tester

 Key Specifications/Special Features: 
- Non-contact AC voltage detection&nbsp;
- Telescopic length 1.3M&nbsp;
- Check AC voltage :&nbsp;
* Behind the wardrobe&nbsp;
* Inside false ceiling&nbsp;
* Under ceiling&nbsp;
* Low location or ground floor&nbsp;
- No need to bend down while checking&nbsp;
- Battery powered :&nbsp;2 x 1.5V (L736 / LR41 / AG3)&nbsp;
- Dimension (LxWxD) mm : 174x26x11
- Worldwide patent pending&nbsp;
- Originated, designed and developed by MEET

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.
&nbsp;

AC Voltage Detector

The featured power quality analyzer is versatile and easy to use. The monitor can display bar chart, vector graphic, waveform and event list readings. This professionally engineered power quality analyzer offers exceptional performance. 	 Single-phase 2W. 	 Single phase. 	 3W/3 phase. 	 3W 3phase 4W. 	 50th harmonics. 	 Inrush measurement. 	 Flick measurement. 	 Logger function. 	 8GB memory card. 	 Current sensor 3000A standard. 	 Suin power view software. 	 Versatile and easy to use. 	 Monitor can display bar chart, vector graphic, waveform and event list readings. 	 Professionally engineered. 	 Offers exceptional performance.  &nbsp;
&nbsp;

Power Quality Analyzer

The presented arbitrary waveform generator features a two independent channel output design. The display screen is meticulously designed, allowing easy reading. This displayed arbitrary waveform generator is great for generating electrical waveforms. 	 Two independent channel output. 	 Frequency range up to 160MHz. 	 500Ms/s sampling rate, 14 bits vertical resolution. 	 2ppm high accuracy. 	 150 kinds of waveform. 	 FM AM, PM, PWM, Sum FSK, BPSIC. 	 Sum-modulation sweep and burst function. 	 350MHz frequency counter. 	 USB host, USB device and LAN. 	 4.3&#39; high resolution TFT LCD. 	 Easy to operate and read. 	 Great for generating electrical waveforms.  

Arbitrary Waveform Generator

 	 With earphone 	 Desensitize button 	 Vibration alarm 	 LED light alarm 	 Audio alarm 	 E-SUN metal detectors have ever been used in the &quot;16th Congress&quot; &amp; &quot;Two Congress&quot;, being designated by Guard Department as security instruments at Tiananmen (Beijing, China) district  

Hand-Held Metal Detector

Shenzhen Mestek Electronics Co., Ltd.

MESTEK DM91S Smart Multimetro Digital Multimeter AC/DC Voltage Current Multi Meters with NCV Data Hold 9999 Counts FlashlightKey attributesIndustry-specific attributesMeasuring Current Range0~10A Measuring Voltage Range0~600V Measuring Resistance Range0~99.99MΩ Measuring Capacitance Range0~99.99mF Other attributesPlace of OriginGuangdong, China Brand NameMestek Model NumberDM91S Measuring Inductance Rangemultimeter Operating Temperature0℃~40℃ Dimensions1600*120*60mm ColorBlack+Blue Operating ModeSmart measure Fuse blow alarmSupport BacklightYes Count10000 counts Operating EnvironmentIEC61010-1,CAT III 600V Capacitance Resolution0.001nF/0.01nF/0.1nF/0.001uF/0.01uF/0.1uF/0.001mF/0.01mF True RMSYes Battery volatge measure1.5V/9V LIVE Fire Wiremulti meter Packaging and deliverySelling Units:Single item Single package size:16X12X6 cm Single gross weight:0.350 kgShenzhen Mestek Electronics Co.,LTD,business mogel for testing instruments for more than 15 years. Our engineers have been in this industry for over 15 years and served some of the most famous customers from all over the world.We can provide below services for all our partners in this challenging world.1.Fast delivery,1~5 days delivery time for Mestek Products.2.Small MOQ requirementsfor all our items, 1PCS is also acceptable.3.Exclusive Partnership in different regions4.OEM&amp;ODM Design services for brightideals.5.Free samples avaiable for partners.All our items are coming with CE certification and we have special team work for after sales services 7*24 to help you solve any kind of problem.We are ready for sign contract with you in case you need it, as honest dealer, we never crook our customers.Come and let us make a difference together !Selling pointsDisplay10000 COUNTSModelDM91SSmart measure√Non-contact AC Voltage Detection√Data Hold√Display Backlight√Continuity Buzzer &lt;50Ω√Fuse blow alarmSupportAuto shut-down1.5/9V FAQ1. who are we?We are based in Guangdong, China, start from 2014,sell to Domestic Market(40.00%),North America(20.00%),WesternEurope(12.00%) There are total about 51-100 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Digital Multimeters,Digital Clamp Meters,Industrial Infrared Thermometers,Laser Distance Meters,AC Voltage Detectors,Plastic Casefor Digital Multimeters,Plastic Case for Digital Clamp Meters,Plastic Case for Industrial Infrared Thermometers,Plastic Case forLaser Distance Meters,Plastic Case for AC Voltage Detectors4. why should you buy from us not from other suppliers?Shenzhen Mestek Electronics Co., Ltd,business mogel for testing instruments for more than 15 years. All our items are coming with CE certification and we have special team work for after sales services 7*24 to help you solve any kind of problem. 

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