Best Ketotek in 2026

【Wide measuring range】Voltage: AC 80~300V, Current: 0~100A, with high accuracy of 1% ± 2 digits.

【precise CT】KETOTEK voltmeter equipped with 1 precise current transformer. No need to buy another CT.

【Dual color display】Voltage and current can be displayed with different color on the LED screen, red for voltage, green for current. It is clear and convenient to read.

【WIDE RANGE MEASUREMENT】Temperature measure range from -58℉~1112℉(-50℃~600℃) makes this temperature gun help you do any task confidently in any time, especially temperature above boiling points and below freezing points. Use it when you are cooking, BBQ, performing car maintenance, doing electricity repairs, air leaks and a host of other tasks.

【BETTER ACCURACY】Ketotek IR laser gun thermometer fully utilize the 12:1 distance-to-spot ratio Infrared laser which means you can measure greater distance compared to most other temperature gun. The laser let you know you are pointing at the right object (Accuracy: ±1.5%). For better accuracy, we recomend the distance between the thermometer and objects approximately be 14.2 inches (36cm).

【DYNAMIC LIVE TEMPERATURE SCAN】Pull the trigger on to begin dynamic live temperature detecting. Built in durable ABS plastic provides resistance to scratches, extreme enviornment. You can use the digital lazer thermometer for years.

【USB Power Supply】This digital thermometers 12v is use usb connector as power supply. Easily to connect to PC, laptop computer, power bank, usb socket or any other usb port.

【Accurate and Responsive】With stainless waterproof NTC probe 1 meter, this aquarium temperature gauge have great sensitivity and accuracy. Sensitivity ±0.05s. Accuracy: ±0.5°F. Temperature measurement Range: -58°F~230°F /-50°C~110°C. °C/°F switchable.

【Wide Applications】This thermometer gauge with probe is widely used in managing aquarium, pets, vehicle, air conditioning, refrigerator, freezer, water heater, greenhouses, Incubators, computer chassis temperature detection, DIY, etc.

【Relay output, easy to use】 Plug-and-play design, just plug the device into this thermostat plug outlet and set parameters, it will work as programmed. Power supply: 120V±15% AC; Output:Max 15A/120V.

【Easy to program】 Just set start temperature and stop temperature, this plug in thermostat will work in heating or cooling mode. Temperature control range:-40℉~248℉(-40℃~120℃), temperature control accuracy: ±1%. Celsius and Fahrenheit can be converted. This digital temeprature controller also supports temperature calibration if needed.

【Timing function】 F01 Cycle Timer mode; F02 Countdown ON mode, F03 Countdown OFF mode, F04 Countdown ON and Countdown OFF mode. You can choose F01 mode to control the device to work in cycles, or choose F02~F04 modes to countdown to turn on or turn off the device. Set range: 0~99 hours 59 minutes. Please note that temperature control function and timing function cannot be used at the same time.

【4 Pin Interface】4 pin power supply interface, easy to install. Designed for PC car use. you can also use 2 PIN to connect the power supply only.

【Accurate and Responsive】With stainless waterproof NTC probe, this aquarium temperature gauge have great sensitivity and accuracy. Sensitivity: ±0.05s. Accuracy: ±1°F. Temperature Measurement Range: -58°F~230°F /-50°C~110°C. Working Voltage: DC 5~25V.

【Wide Applications】°C/°F Convertable,This computer thermometer is widely used in car water temperature detection, air conditioning, refrigerator, water heater temperature detection, computer chassis temperature detection, etc.

【One-click switching interface】Choosing from 5 button to quick access different parameters. Press M to display KWH and electricity cost. Press + to display Watt (active power) and VA (apparent Power). Press OK to display true RMS voltage Vrms and true RMS current Arms. Press - to display Hz ( frequency) and PF (power factor). Press ↺ to display the maximum and minimum power. Press OK for 3s to display the complete accumulated time.

【Monitor home appliances】Insert the watt meter between the appliance and the power outlet. This energy meter will measure the power consumption of the appliance and automatically calculate the electricity bill, only being calculated if the appliance is running at a power greater than 2 watts. Suitable for computers, games consoles, printers, TVs, refrigerators, washing machines, dryers, routers, etc.

【Multiple protection】When the load power exceed the overload setting value, power consumption exceed KWH alarm setting value, electricity cost exceed cost alarm setting value, LCD displays "Overload", "KWh ALARM" or "COST ALARM" and LED light flashes continuously to warn user. The default overload power is 3680W ( 0~3680W adjustable ). In general, you need to set the overload power to 1800W before using. Ideal for monitoring the energy consumption of household appliances.

✔ Multifunctional Power Meter: The KTEM02 is an easy-to-use electric meter that accurately measures the power consumption of home appliances and provides the real cost of the electricity consumed. With a large LCD display and a simple 5-button interface to toggle various parameters to monitor energy consumption and reduce electricity bills. Operating Voltage: 100~250VAC, 50/60Hz; Output: Max 15A/120V.

✔ Various Parameters: This energy monitor is used to monitor electricity consumption. With large LCD display, display Energy (kWh), Power (W), Current (A), Voltage (V), Frequency (Hz), Power Factor (PF), Cost, Maximum Power, Minimum Power, Operating Time, etc. The "Day" and "Hour) are only counted if the device works with a power of more than 2 watts.

✔ Multiple Protection: When load power, power consumption or electricity cost reach the defined value, "OVERLOAD", "KWh Alarm" or "Cost Alarm" flashes on the display and LED indicator to warn users and protect devices from damage.

【2m Waterproof probe】Digital temperature controller 110V can be used in moisture and water environment, you can use it in home brewing, fridge, pet breeding, reptile, tank, incubation, fermentation, seedling heat mat, accelerating germination.

【Keep temperaure in desired range and guaranteed accuracy】It's on/off control mode. Turn on your device at a degree and turn it off at another degree. Fully utilize the stc microcontroller and NTC probe to have this temperature regulator has great accuracy: ±1°F, Temperature control range: -58~212°F, Power consumption: ≤3W, Power Supply: 110VAC 50Hz/60Hz. Output: 2 Relays, Cooling (10A/110-220VAC) / Heating (10A/110-220VAC).

【Wirring heater and cooler at the same time】No more frequently change wirring between heater and cooler. This temperature regulator has 2 relays. Compared with other 1 relay temperature controllers, you can wire 2 appliances (heater and cooler) at the same time. (Please kindly note no outlets, wirring needed).

【Wide temperature range.】The range for KT8230 is -22~572℉, This is a relay temperature controller, There is no voltage output directly, you need to connect additional power supply for the load, then it can be set by differential (1~80℉) to turn on/off the load, it is like a switch.

【Output is 30A relay, more accurate.】The temperature controller 120V can be used for big power equipment, like incubator, brooder, refrigerator,Fermenter,Greenhouse,etc. 1°F accuracy to keep the temperature in desired range.

【Support delay start function and temperature correction.】The cooler and heater will delay to work if you set the delay time(PL: 0~7min) not 0, You can set depend on what you need. -30.0°F～30.0°F calibrate the temperature when there is error.

【Weather Station with Outdoor Sensor】Indoor temperature display from 0 to 50°C (32 to 122°F), outdoor temperature display from -40 to 70°C (-40 to 158°F). Indoor and outdoor humidity measurement range: 20%RH ~ 95%RH. The weather station also uses the air pressure trend to calculate a weather forecast for the next 12 hours (not the current weather).

【Weather Thermometer Indoor Outdoor】Wireless transmission of the outside temperature and humidity via transmitter, transmission range up to 60m in open areas, with ice warning. The outdoor sensor can be hung or standing (can connect with max 3 outdoor sensors), enough for your daily needs.

【Radio Clock & Dual Alarm Clock】The current time and date are automatically received via the WWVB radio signal, can also be set manually. Time display in 12/24 hour format, day of week display freely selectable in 3 languages. 2 alarms help you organize your schedule and remind you on time. The snooze function extends the time by 5-60 minutes, gives you plenty of time to adapt.

【Wireless weather station with outdoor sensor】60 meters transmission range in an open area.The transmitting frequency is 433.92MHz RF. The sensor can be wall mount or stand on the table, The weather station can be connected up to 3 outdoor sensors.

【Indoor and outdoor temperature humidity monitor】The weather station has 5 level Indoor comfort and 4 indicators of mold risk, It can be set outdoor temperature upper and lower limit alert, and frost warning to tell unusual Weather. It also display Max.& Min. record and trend for temperature and humidity.

【WWVB Radio clock, 2 daily alarm and snooze setting】The current time can be updated automatically by receiving the WWVB radio signal. Radio weather station can be set 2 alarm and 3 repeat cycle in week. Also this weather station has a snooze function, just press the snooze button when the alarm rings and you will get 5 -60 minutes snooze time.

【11 Monitoring Modes】This watt meter can accurately monitor your home appliances. The monitoring parameters include power (W), accumulated power consumption (kWh), voltage (V), frequency (Hz), current (A), CO2 emission (kgCO2), power factor, minimum and maximum power, cost of electricity, and cumulative time.

【Backlit LCD Screen】This power meter has a large and clear LCD screen with backlight. It is easy to read and operate in dark areas. Backlight duration is 10 minutes (default). Press DOWN button to turn off the backlight. Press any key to activate the backlight.

【Data Memory】KETOTEK electricity usage monitor has a built-in high-precision chip, which can save data automatically in case of power failure. Data is stored permanently. One key reset to delete all data. Use MODE+DOWN keys to delete measurement data, but retain measurement settings.

【Wireless weather station with 3 outdoor sensors】3 different locations of temperature and humidity for inside or outside display in one 7.5'' LCD LA screen, which has good color display and wide viewing angle.The range of the weather station is up to 60 meters in an open area.

【Indoor and outdoor temperature humidity monitor】You can check the max./min.recording, trend display, indoor comfort, temperature upper and lower limit alert and frost warning, it is a great tool to know the weather and make daily life choice.

【WWVB radio time function】It can receive the RCC radio signal automatically or manually. After the time and calender setting, the moon phase and tides level will be updated. 3 languages can be selected for the month and week, which is more convenient for different people.

Voltbeat technology and continuous self-test - so you always know it is working

Upon detection, tip glows and beeper sounds

CAT IV 1000 V for added protection

Voltbeat technology and continuous self test so you always know it is working

Upon detection, tip glows and beeper sounds

20 volt to 90 volt AC control circuit model also available

Versatile Digital Multimeter - Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Temperature

Thoughtful Design - Support Data Hold, Large LCD Backlit Screen, Auto Shut-off and Hanging Magnet, and Kickstand make the process of measurements easier. Professional level is reflected in some features include Auto-Ranging capability, and True RMS for measuring both AC Current and Voltage

Suitable For Many Occasions - This Multimeter is a golden partner to help to troubleshoot a variety of automotive and household electrical problems safely and accurately.

True-RMS clamp meter: This multimeter can accurately measure AC/DC Current, AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads. Easy to use for labs factories and household.

LowZ & LPF: Low input impedance helps prevent false readings due to ghost voltage. Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals when measuring motors and transformer. To measure the current you need to clamp the meter around one of the wires and not the whole power cord.

NCV Detection Function: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires; The NCV button lies on the right side. Simply place your thumb on it and push.

VERSATILE DIGITAL MULTIMETER - Accurately measures AC/DC Voltage, DC Current, Resistance, and Diode. This Multimeter is a really useful tool for solving industrial and household electrical issues. Suitable for Household Outlets, Fuses, Batteries (including Vehicles), Automotive Circuit Troubleshooting, Charging System, Testing electronics in Cars etc.

TROUBLESHOOTING WITH Accuracy - This Multimeter has a sampling speed of 2 times per second; Built-in a backlight LCD display with 3 ½ digits (1999 count) 0.6”, and high polarity including negative and positive readings.

ENSURES SAFETY - Double ceramic fuse is anti-burn and protects from overloading.The silicone cover is able to protect the multimeter from failing damage and prevent electric shocks. And low battery indication will be displayed when battery power is low.

SAFETY FIRST: It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a higher frequency. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected.

NON-CONTACT: With NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. Handy circuit tester for electricians, homeowners.

DUAL RANGE: Detects standard and low voltage (12-1000V AC / 48-1000V AC) for more sensitive and flexible measurements. Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc.; The NCV sensor automatically recognizes the voltage and displays it on the bar graph.

A SAFEGUARD OF HOUSEHOLD APPLIANCES: Built in Premium LCD Digital Display with Black Character, this test can immediately detect and measure the current voltage by connecting to the switch plug or the other kind of wall socket. It allows you to check on power health of devices for preventing the low voltage damage to your valuable household appliances.

WIDE MEASURING RANGE & LOW CONSUMPTION: Measuring range: AC80-300V, Consume Power: Less than 1W(about every 1200hours consume 1 kilowatt-hour).2 Prongs Flat US Plug with Compact Size Design is ideally applicable to measuring the AC voltage in family, office space, industrial and mining enterprises, etc.

ADJUSTABLE POTENTIOMETER: There’s an Interior Potentiometer for accuracy adjustment. Just use screwdriver to open the outer coving and adjust the potentiometer with small size screw driver. Adjust potentiometer in counter-clockwise when it’s excessive voltage, but if display voltage is too low, adjust potentiometer in clockwise.

GFCI Receptacle Tester features a large backlit LCD readout of voltage, and clear indication of wiring conditions

LCD readout shows the time required to trip a GFCI device

Patent pending detection of Open Neutral / Open Ground wiring fault

CL120 Clamp Meter measure AC current via the clamp, and AC/DC voltage, resistance and continuity via test leads

Meter has backlit LCD for ease of viewing in low light and is CAT III 600V, Class 2 Double Insulated

RT210 detects the most common wiring problems in standard and GFCI receptacles

AC VOLTAGE TESTER aligned with commonly used residential voltages from 12 to 240 VAC at four useful levels

TEST DC VOLTAGES from 1.5V to greater than 17 to 24V at four useful levels

BRIGHT LED LIGHTS illumite to indicate the type and level of voltage detected

VoltAlert technology for non-contact voltage detection

AutoVolt automatic AC/DC voltage selection. DC millivolts - Range : 600.0 mV, Resolution : 0.1 mV

Low input impedance: helps prevent false readings due to ghost voltage

True-rms for accurate measurements on non-linear loads

safety rated

Large white LED Backlight to work in poorly lit areas

Kit contains+B2:H150 a non-contact voltage tester and receptacle tester

Dual range NCVT-2P automatically detects and indicates low voltage range and standard voltage (48-1000V AC)

NCVT-2P provides non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires

LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results

TEST GFCI TRIP TIME IN SECONDS to find out if the trip breaker is functioning

DETECT WIRING FAULTS of open ground, open neutral, open hot, dual open (neutral and ground), reversed hot/ground, and reversed hot/neutral

The 117 multimeter measures AC and DC voltage as well as AC and DC amps. The 323 clamp meter measures AC and DC voltage as well as AC amps

The 117 multimeter features true RMS for accurate measurements on non-linear loads

The 117 multimeter features low input impedance which helps prevent false readings due to ghost voltage

Automatically measures volts ac and volts dc with precise digital resolution

Displays resistance to 1000Ω

Easy and accurate OpenJaw current measurement