ReviewsThree phase Tester

Haofy Digital Alcohol Tester Breathalyzer, Breath Alcohol Tester LCD 3 Color Display USB Charging Blowing Contactless Testing Alcohol Breathalyze(Pink)

【Contactless Testing】The breath alcohol tester is made of ABS material, which is wear resistant and durable, and has a long service life. The portable alcohol tester is a non contact type of blow test, no need for a mouthpiece test, which is healthier and safer.
【USB Charging】The rechargeable alcohol tester has an LCD three color display, which can respond quickly, and has a USB charging function.The breath tester for alcohol is automatically turned off to save power when there is no operation..
【Small and Portable】The alcohol tester is compact and easy to carry, allowing you to test anytime, anywhere.
【Semiconductor Sensor】The alcohol breathalyzer uses semiconductor sensors to give you accurate data and can be used with confidence.
【Easy To Use】The digital alcohol breath tester is extremely easy to use, your alcohol content can be determined within a few seconds. It has no dust design, open the dust-proof cover and blow in the alcohol test..

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Dental Willis Bite Gauge Stainless Steel Premium Instruments

♥♥【Application】:The dental pulp vitality tester is an instrument that uses a machine to produce pulse current and stimulates the tooth nerve, then records the response value of the tooth nerve to the electrical stimulation, so as to judge the vitality of the tooth nerve,which ensure the accuracy of doctor's judgement on the patient's pulp vitality..
♥♥【Adjustable Frequency】:To press the speed control button to choose three preset speed mode (high-mid-low speed),while the different indicator lights will be on..
♥♥【Data description】：The maximum stimulus----80.Between 0-40, the patient feels ache and anesthesia, it is the alive teeth nerve.Between 40-80,with above-mentioned reaction,part of teeth nerve dead. 80, no above-mentioned reaction, dead teeth nerve..
♥♥【About Testing】:To increase a gentle pulsed stimulus at a rate,If the patient indicates perception, simply release the button. The stimulus stops immediately, but the numbers remain on the tester for about 3 minutes.It is easy to read..
♥♥【Economical】:This pulp tester is battery-operated, Standard 9-Volt batteries, the device turns itself off three minutes later after operation(No wasted batteries.).

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Din Rail WiFi Circuit Breaker Smart Switch Remote Voice Control by APP for Smart Home mcb Timer 110V 220V 380V (Size : Three Phase, Color : 80A)

Wifi remote control Switch ciruict breakers.
Three phase work with 3*120V, 3*220V, 3*220V, 3*230V, 3*240V.

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YINMIK Water PH Meter, 3 in 1 PH TDS Temp Pen Type Tester for Home Brewing, PPM Water Tester with Backlight for Water Purifier, Home Wine Beer Making, Pool, Hot Tub, Aquarium, Hydroponics, RO System

【Accurate PH Tester】The protective cap of the tester contains a wet sponge soaked in KCL solution, making the probe always moist, and that gives the tester more durable life, and the readings will not jump all the time.
With the backlight design, whether it is used in a dark environment or under strong sunlight, you can get clear readings..
【Smart PH Tester】With three-point automatic calibration of 4.00, 7.00, 10.01, it is easy to calibrate.
With automatic temperature compensation of 32.0—122.0℉, it avoids measurement inaccuracies caused by liquid temperature changes.
With automatic shut-down, its battery life is well preserved.
【3-in-1 PH Tester】By using the YINMIK 3-in-1 multifunctional tester, you can measure the PH, TDS (ppm) and Temp of the water quality at the same time, and know whether the water quality is healthy in seconds..
【Multipurpose PH Tester】Widely used in drinking water, home brewing, wine, beer, milk, kombucha, coffee, home tap water, RO/DI Water, alkaline water filtration system, swimming pools, hot tubs, aquarium, reef tank, koi ponds, fish tanks, water hydroponics, urine etc. It is very suitable for family use and is a good choice for the health of family and friends..
【Extra Value PH Tester】Including 1x PH t....

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PRINCE CASTLE Drive Motor Assembly 87-028AS

ATO 110v vfd, single phase 110v/120v input, single phase or three phase 220v output, achieve to run 220v AC motor on single phase 110v/120v power supply.
【Voltage& Frequency】Input voltage: 1 phase 120V AC ±15%, Input frequency: 50Hz/60Hz,Output voltage: 1 phase or 3 phase 220V AC ±15%, Output frequency: 0.00~400.00Hz.
【APPLICATION】ATO 7.5 hp 5.5kW variable frequency drive Can be widely applied to drive the AC motor, such as fans, pumps, power tools, etc.
【TIPS】 To protect the variable frequency drive and Motor, you need an upstream protection, add a line-choke upstream the VFD, this will reduce the current transients seen by the input of the VFD.
【CUSTOMER FIRST】If you have no experience in driving a VFD, be sure to refer to the instructions before operating a VFD.If you are not sure about the size or have any issue about the product or service, please don't hesitate to email us. We will answer you within 12h.

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Shelly 3 EM Wireless 3-Phase Energy Meter Remote Control Sunrise/Sunset Weekly Schedules Device - 1 Pack

POWER MEASUREMENT & CONTROL: Shelly 3EM gives owners enhanced safety and everyday control over appliances or machinery, along with the ability to make smart decisions about electrical consumption. The 3EM is a Wi-Fi energy measurement device, monitoring up to three phases between 110 and 240v per line..
MONOPHASE SYSTEMS: Shelly 3EM can calculate 2-way consumption: produced and used energy for each of the three phases. The device can be configured to measure three separate points of a mono-phase electrical system and measure each of them separately..
CONTACTOR CONTROL: Shelly 3EM has an integrated 10A relay output for contactor control..
NO HUB REQUIRED: You can control Shelly 3EM directly, no hub required. It is compatible with any Wi-Fi router. Or if you prefer you can connect it to your home automation platform..
OVERCONSUMPTION PROTECTION: Shelly 3EM can automatically notify and/or switch off the circuit if consumption or energy reaches the preset limit..

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LETONNEY Non-Contact Voltage Tester Outlet Tester with LED Flashlight & Buzzer Alarm, Electrical Tester Pen with Dual Range AC 12V/48V-1000V Live/Null Wire Tester (Gray)

【Dual Range Circuit Tester】Detect two detection ranges of low voltage and standard voltage (12-1000V AC / 48-1000V AC), make the measurement more flexible and accurate. The voltage detector can automatically detects live or neutral wires and is ideal for breakpoint testing, easy to operate. Therefore, this electricity tester can be easily used by men and women of all ages..
【Multi-Purpose Widely Used】This non contact voltage tester can be used in circuit breakers, lighting fixtures, switches, sockets, wires and wherever needed. The voltage tester pen can also be used as an emergency flashlight to illuminate the work area. The non-contact voltage detector measures voltage in a contactless manner, so you don't have to worry about being struck by electricity, super safe..
【Non-Contact】NCV induction probe with AC voltage, when the tip is close to an outlet or power cord, the voltage tester pen tip glows red and the alarm sounds, indicating the presence of voltage. The voltage detector automatically detects live or neutral wires and is ideal for breakpoint testing. Therefore, this electricity tester can be easily used by men and women of all ages..
【More Portable Storage】Pocket-sized electric tester tool has a pen hook, allowing you to t....

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ATO 1 hp VFD, 4A 0.75kW 120V Input 220V Output, Single Phase to 1phase/3phase Variable Frequency Drive, for AC Motor Speed Control

ATO 1 hp 110v VFD, 0.75 kW single phase 110v/120v input, single phase or three phase 220v output variable frequency drive. Running your 1 phase/3 phase motors on 120 volt supply via ATO VFD.
Input voltage: 1 phase 120V AC ±15%, Input frequency: 50Hz/60Hz, Output voltage: 1 phase or 3 phase 220V AC ±15%, Output frequency: 0.00~400.00Hz.
【APPLICATION】: ATO 110V Variable frequency drive can be widely applied to drive the AC motor, such as fans, pumps, power tools, etc..
【TIPS】: Choose a VFD base on motor rated current: VFD output current ≥ motor rated current.
【CUSTOMER FIRST】If you are not sure about the size or have any issue about the product or service, please don't hesitate to email us. We will answer you within 12h.

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3-Phase Voltage Monitoring Relay AC 220-440V Phase Sequence Protection Small Size Protection for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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Voltage Monitoring Relay Phase Sequence Protection TG30S Phase Sequence Relay 3-Phase Mini for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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STEREN Handheld, Portable, HDMI Tester with HD LCD Display and Audio - 1080p Full Color Audio & Video Assurance – Screen is Resistant to Dust, Water, Shattering, Scratches – Shock-Proof [BL-526-105]

HD LCD DISPLAY- This HDMI tester provides the technician (or any user) with an HD LCD screen to check that the set-top box is installed correctly. This LCD display provides both audio and video display and also gives you the ability to do a 19-pin continuity check. Full Color Audio and Video Display | Auto-Scale Resolutions.
ENSURE CABLING- Ensure that your set top box has been installed correctly with this HDMI tester. The technician (or any user) does not need a TV to ensure that the set-top box has been installed. You can also check the channel lineup with this HDMI tester..
SCRATCH & SHATTER RESISTANT- This HDMI display tester is made with a tempered glass display that is scratch and shatter resistant. It is also resistant to dirt, water, and shock. It contains a hybrid dual layer of silicone rubber and plastic with a ruggedized housing..
TWO INPUT/OUTPUT PORTS - This HDMI display tester has two HDMI input / output ports for cable continuity tests, and it has an additional HDMI port to connect to the set-top box. Thus, the unit has three HDMI ports with this HDMI display tester..
PATENTED HANDHELD DEVICE- This handheld HDMI tester is patented and contains one micro USB port for the 2300mAH battery which provides the technician (or any user) with 3-4 ....

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