Battery tester instrument r163840

Features: It is an ideal Humidity & Temperature Meter instrument with scores of practical applications for laboratory, industrial, engineer and professional. Display Temperature & Humidity; Resolution 0.01%RH, 0.01 degree/0.01 degree F. Maximum/minimum value measurement, Automatic Power Off, °C/°F temperature unit switch. Low power dissipation and Low battery indication. Specification: Range: Temperature: -20--60degree Humidity: 0%--100%RH Resolution Ratio: Temperature: 0.01degree/0.01degree F Humidity: 0.01%RH Precision: Temperature: +/-(0--60degree);+/-1.5degree (Other Scopes) Humidity: +/-3.5%RH(25degree,40--80%RH);+/-5%RH(Other scopes) Others: Sampling Time: 2.5 times/second Automatic Power-off: About 16 minutes(No key operation) Energy provision: A 9V Battery Energy Life: About 50 hours(Alkaline Battery) Operating Temperature: 0-50degree Operation Humidity: 10%--80%RH Storage Temperature: -10--60degree Storage Humidity:10%--75% Size: 185mm*56mm*30mm Weight: 135g Package Included: 1 x Temperature and Humidity Meter 1 x User Manual Details Pictures:

Description: This is a smart component tester that can test almost all commonly used electronic components. All tests are intelligently identified and display in an intuitive graphical manner with the circuit symbols, pinouts, and main parameters of the device. And there are commonly used instrument functions, is a veritable multimeter.   This version of the master chip is upgraded to ATMEGA644, which adds the following new features: 1. It can measure the working voltage of zener diode with stable voltage within 44V; 2. The quartz measuring function, it is divided into low-frequency quartz oscillator and high-frequency quartz oscillator. It can test all commonly used quartzs (can accurately measure from 32.768KHZ to 20MHZ); 3. External DC voltage test, can measure DC voltage within 50V; 4. The program is upgraded, the test is more accurate and the accuracy is better.   Original function:   1. Automatically identify and measure the main parameters of resistors, capacitors, inductors, diodes, light emitting diodes, triodes, field-effect transistors, IGBTs and SCRs (some high power devices may not be correctly identified), and automatically identify the pin function to display on the screen Graphically; 2. Online measurement of capacitance and ESR; 3. Frequency meter; 4. Signal generator.   Product main features:   One-button operation, rotary encoder can select the menu, easy to use; All test functions are brought to the test stand, and the test stand can be easily replaced; SMT precision processed products, and after calibration, ready to use.   The following is a real shot test chart:   External DC voltage test gear(Test 32.768KHZ crystal oscillator, 4MHZ crystal oscillator, 20MHZ crystal oscillator: Test 10 ohm high precision resistance, 100n precision capacitance, electrolytic capacitor 3300UF: Test 0.1MH inductors, diodes, low-power transistors: Test field-effect tube 2SK30A, MOS transistor 40N10, high power transistor 2SA1941: Other functions in the menu: Boot screen and battery voltage detection: After repeated used, the test stand is easily damaged and can be easily replaced: Package included: 1 x Original Hiland M644 Transistor Tester

SELECTED OPTION: TYPE: UNASSEMBLEKIT CLICK HERE for more options in this item. DIY Unassembled Kit User Manual: Assembled Kit User Manual: Specifications: Asssembled Item Size: 98x76x39mm Description: -The use of SCM ATMEAG328P DIP-28. With IC Block -The display unit using a 160x128 pixel color display, full-screen characters 8x20, 16-bit color depth, graphic display element symbols Rotary switch control, a key measurement, automatic shutdown -Use 9V laminated battery, can also use the power adapter(DC 6.8-12V), the whole current of about 30mA, after about 20nA shutdown current -Automatically detects NPN and PNP transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout -Test NPN and PNP transistor common-emitter current amplification factor, the base - emitter threshold voltage, off the collector - emitter leakage current Pole through the transistor base - emitter threshold voltage and high current gain recognition Darlington transistor Detecting power transistor and FET protection diodes built -Test FET gate - source threshold voltage is turned on, the drain - source on-resistance, the gate - source capacitance A maximum of two measuring resistors, so three feet adjustable resistor can be measured, if adjustable resistor is transferred to the end, can only be a measured resistance value -Resistance measurement maximum resolution 0.01Ohm. Can be measured up to 50MOhm -Capacitor measuring range from 25pF-100mF, Resolution 1pF -Larger than 90nF capacitor while measuring its equivalent series resistance (ESR), the equivalent series resistance of the highest resolution of 0.01Ohm -Larger than 5000pF capacitor also showed the rate of decline after the charging voltage of the capacitor value can reflect the quality factor (Q value) -Measuring a maximum of two diodes show its positive and negative, on-state voltage -LEDs also display a graphic symbol diode, the conduction voltage is much higher than ordinary diode -Reverse breakdown voltage is lower than 4.5V Zener diode can detect it, appears as double diode symbol. Its positive and negative voltage to turn around 700mV diode symbol prevail, a second diode symbol corresponding to the voltage is turned on regulation. So do not be an ordinary diode and a Zener diode were measured simultaneously -Test a single diode, while its test reverse junction between the PN junction capacitance between the PN junction capacitance of the transistor to be tested, then only at the same time into the transistor base and the emitter, base and collector or Of less than 25pF capacitor to be tested, the test need to prepare a 30pF capacitor, 30pF capacitor to test, test and then measured again after the capacitor connected in parallel, by subtracting the measured value 30pF capacitors with the results obtained -For the following 2100Ohm resistor while measuring its inductance measuring range from 0.01mH - 20H -About two seconds during the test, large capacitors and inductors will take longer -Additional features include a frequency measurement, voltage measurement, square wave generator, PWM generator, color selection, commissioning calibration, continuous testing, and other functions -Frequency range from 1Hz to 1MHz or higher, measured at frequencies below 25kHz, can display period resolution to 0.001mHz -DC voltage measurement up to 50V -All the way to the square wave signal output, multi-range frequencies to choose from, the maximum output frequency of 2MHz -Output one fixed frequency, variable duty cycle pulse signal (PWM), the duty cycle is adjustable from 1% -99% -Separate capacitive function test, the test mode for the continuous measurement of 2uF-50mF capacitors can be measured directly in their circuit (circuit where the measured capacitance required power, after the measured capacitance required to be fully discharged) -Thyristors and thyristor can only recognize its pinout, and also need to test the thyristor or SCR trigger current is less than the current test instrument can provide, the tester can only provide a maximum trigger current 6mA Features: 1. Switch off 2. Transistor test 3. Frequency test 4. f-Generator 5. 10-bit PWM 6. C+ESR@TP1:3 7. continuous measurement resistance 8. 1-||-3 continuous measurement capacitance 9. Rotary encoder 10. SelfTest 11. Voltage test 12. FrontColor 13. BackColor adjust 14. Show date Package included: 1 x GM328 Transistor Tester with Case Kit (Assembled Kit or DIY Unassembled Kit For your choice.)

Description: • This instrument adopts imported LV321 current operation amplifying IC, which provides 140 times of amplification factor and adopts 5 milliohm current sampling resistor, so it is more accurate than 50 milliohms of the same industry. • The small energy can stably display 1mA current, the small current range within 1A, the measurement error is less than 0.5mA, and the 4A high current range is less than 1%. Features: ?ﾺPower-Off storage technology. When testing the capacity, such as an unexpected power failure, when the voltage drops to 2.2V, the internal storage circuit is triggered instantaneously, and the capacity stored in the battery is saved. ?ﾺThe leading 5 ohm current sampling resistor, with smaller line loss, means that the Dynamic current can be measured more accurately by a larger current. ?ﾺQuickly read valid data in a short period of time, IC Resolution 0.1mA ?ﾺWhen the input voltage is lower than 4.5V or higher than 5.7V, the light alarm device will be triggered. (Measured iPhon'e is higher than 5.8V to stop charging) Specification: The measurement voltage range:3.50-26.99V Max current:4.19A. Display:The current is greater than 1A and the display unit is Ampere (A), for example 1.00, which means 1.00A. The 3-digit red LED indicates the USB input voltage in volts (V), for example 5.20V. Intra-range error is less than 1% The 3-digit blue digital tube indicates the USB input current. Less than 1A, the unit is mA, such as display 2, indicating 2mA; display 15: indicating 15mA; The charging test supports the new Qualcomm 12V charger with a large display voltage of 26.99V. Large withstand voltage 32V The overall power consumption does not exceed (25V) 8mA, the normal working current is 6mA, and the small working current is 2mA (turn off the screen display light) Package includes: 1 x USB Voltage Current Tester Detail pictures:

The combustible gas leak detector with visual leakage indicator, can detect gas leakage. All you need to know the high reliability testing instrument in the use of all kinds of refrigerants, alkanes, combustible gas and fuel oil is of great value in the environment of universal instruments. Can be used to detect hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, N,N,N,n, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol)etc. Features: 1.Portable detector for detecting all combustible gas. 2.Long flexible stainless probe reaches all areas. 3.Audible semiconductor probe and auto fast warm-up. 4.Instant response, pinpoint leak position and low battery indication. 5.Audio & visible leakage alarm indication and adjustable sensitivity. 6.Compact size, light weight, easy to carry and operate. Specification: 1.Brand Name: SMART SENSOR 2.Color: Red + Black 3.Material: ABS Plastic 4.Detection Gas: Combustible Gas 5.Sensitivity: Variable, Minimum 50 PPM (methane) 6.Alarm Mode: sound alarm and light alarm 7.Response Time: Instantaneous 8.Warm-Up Time: 9.Battery Type: 3 x AA 1.5V Alkaline Batteries (NOT Included) 10.Duty Cycle: 3 Years 11.Response Time: Instantaneous 12.Continuous Operation Time: 9 hours(slightly vary with working condition) 13.Probe Length: 35.5cm / 13.98in 14.Operating Temperature: 0~50?? Relative Humidity 0~80% 15.Storage Temperature: 10~60?? Relative Humidity: 0~70% 16.Item Size: Approx. 160 x 65 x 33mm / 6.30 x 2.56 x 1.30in (L x W x H) 17.Item Weight: Approx. 175g / 6.17oz 18.Package Size: Approx. 23.5 x 14 x 4cm / 9.25 x 5.51 x 1.57in (L x W x H) 19.Package Weight: Approx. 214g / 7.56oz Package includes: 1 x SMARTSENSOR AS8800L Combustible Gas Detector 1 x User Manual Details pictures:

WHDZ DT83B Digital Multimeter AC DC Voltage Current Resistance Diode Tester Package weight: 0.07 kg Features: This instrument can be used to measuring DC voltage, AC voltage, DC current and resistance. LCD screen, digital display, reading accuracy and speediness. Stable performance, lower power consumption, higher reliability and safety. Specification: DC voltage: 200m - 2000m - 20 - 200 - 400V AC voltage: 200 - 400V DC current: 2000u - 20m - 200mA Resistance: 200 - 2000 - 20k - 200k - 2000k ohm Low voltage display: Yes Overload: Yes Diode test: Yes Max. display: 1999 Battery: 12V 23A battery (Not included) Package weight: 0.106 kg Product Size(L x W x H): 10.00 x 2.50 x 1.80 cm / 3.94 x 0.98 x 0.71 inches Package Size(L x W x H): 16.50 x 10.00 x 2.00 cm / 6.5 x 3.94 x 0.79 inches Package Included: 1 x WHDZ DT83B Digital Multimeter 1 x English User Manual 1 x Test Lead Probe Detail Pictures: Click here for more deals WHDZ DT83B Digital Multimeter AC DC Voltage Current Resistance Diode Tester WHDZ DT83B Digital Multimeter AC DC Voltage Current Resistance Diode Tester

Description: This meter can test electric field radiation and magnetic field emission to reach the optimal test result. It is used to test and learn electromagnetic radiation situation indoor and outdoor. It is equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the LCD digital display after processing by control micro-chip.   Features:   One EMF Tester with two uses, testing the electric field and the magnetic field radiation at the same time. Measure radiation of high voltage power lines, appliances, electrical wires. Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically. Data hold and max measurement, one-key lock the radiation value. Large & clear LCD display of the values for easy reading. Easy to operate with easy one-hand operation, easy to carry and make field measurement. Can measure the environment temperature with 2 temperature units (℃ and ℉).   Specifications:   Brand Name: SMART SENSOR      Color: Blue + Black    Material: ABS Plastic Unit: mG (Electric Field); μT (Magnetic Field) Accuracy: ±5% (50μT to 200μT)μT at 50Hz or 60Hz Range: Electric: 0~2000mG; Magnetic: 0~200μT Resolution: 1mG, 0.1μT Alarm Threshold: 40mG, 0.4μT Temperature: 0~50℃ / 32~122℉ Display: 4 digits LCD Display Test Bandwidth: 30Hz-300Hz Number of Axis: Single Axis Inductive Head Sampling Rate: 0.5 Seconds Test Mode: Bimodule Synchronous Test Over Range Indication: LCD Displays "HI" Operating Temperature: 0~50℃, Relative Humidity 0~80% Storage Temperature: -10~50℃, Relative Humidity: 0~70% Power Supply: 3 x 1.5V AAA Battery (NOT Included) Item Size: Approx. 130 x 50 x 27mm / 5.12 x 1.97 x 1.06in (L x W x H) Item Weight: Approx. 74g / 2.62oz Package Size: Approx. 22 x 15 x 3.5cm / 8.66 x 5.91 x 1.38in (L x W x H) Package Weight: Approx. 108g / 3.82oz   Package Included:   1 x Electromagnetic Radiation Detector 1 x User Manual (English) Detail Pictures:

Description: HYELEC MS6252B Wind Speed Test Meter Multifunction Digital Anemometer Tachometer Air Thermometer Humidity Volume Tester Features: This meter is a digital anemometer for measuring the ambient temperature, humidity, dew point temperature, wet bulb temperature, wind speed, and air volume. Portable, professional measuring instrument with large-screen LCD and backlight, multi-unit switching functions. Can be used for hand-held or fixed measurement. Has the functions of reading hold, maximum, minimum, etc. It has a low battery indicator and USB real time data uploading functions.   S pecifications:   m/s(meter per second): 0.40~30.0 ±(2.0% reading+50) ft/m  (feet per minute): 80~5900 ±(2.0% reading+50) km/h (kilometer per hour): 1.4~108.0 ±(2.0% reading+50) mile/h(mile per hour): 0.9~67.0 ±(2.0% reading+50) Knots(nautical miles per hour): 0.8~58.0 ±(2.0% reading+50) Air Temperature: -20 to 60°C(-14 to 140°F) 1.5°C(±2.7°F) Air Relative Humidity:  0 to 100%RH ± 3 % CFM: 0 to 99990  0 to 9.999ft2 CMM: 0 to 99990  0 to 9.999ft2 CMS: 0 to 9999   0 - 9.999 m2   Flow Area Setting: √ MAX/MIN Function: √ Display Back light: √ Auto Power Off: √ °C/°F Selection: √ Ambient, Dew Point & Wet Bulb Temperature Selection: √ Low Battery  indication: √ USB Interface: √ Power supply|: 9V6F22 Battery(Not Included) Package size: 19 x 11 x 6cm / 7.6 x 4.4 x 2.4in Package weight: 375g / 13.2 oz Certificate: CE, ROHS   Package included:   1 x HYELEC MS6252B Multifunction Digital Anemometer 1 x Portable Bag 1 x USB Cable 1 x English Instructions Good News:  The logo of HYELEC will be upgraded to PEAKMETER on March 1, 2016. Even though the logo will be upgraded, after-sales service won't be affected, including HYELEC and PEAKMETER.   Details pictures:    

    Professional Digital Multimeter DT830B AC/DC Ammeter Voltmeter Ohm Electrical Tester Meter Best Selling Product Description 100% New. 3 ½ digits LCD display with max. reading 1999 Dimension:126x70x24mm Power: 20mW low power indicator (9V Battery is not included) Overload Protection The Digital Multimeter integrates Voltmeter, Ammeter and ohmmeter which is an ideal instrument for use in fields such as laboratory, workshop, DIYers and home applications.