ReviewsConductivity Meter With Alarm

PH Meter Digital TDS Meter EC & Temperature Test Meter 4 in 1 Set, 0.01 High Accuracy PH Tester Pen Water Quality Tester for Household Drinking, Pool and Aquarium

【Multifunction PH Meters Suit】 with TDS PH EC temperature accuracy, faster for aquariums, pools, spas,etc..
【To calibrate the pH Tester】 Calibration does not require a screwdriver. The pH meter with ATC can automatically calibrate. To maximize convenience, simply press the Calibration key.
【High accuracy】The numbers of the pH meter range from 0.00-14.00 (PH), while the numbers of the digital EC and TDS meters range from 0 to 19990 ppm. PH Resolution is 0.01pH, Accuracy ± 0.05pH.TDS: 0 ~ 9990ppm, Conductivity: 0 ~ 9990us / cm, Accuracy: ± 2%.
【TDS have lock & auto-shut off function】 Conductivity meter has the accuracy of 0.1 ℃. Dump the item about 4 seconds in the liquid to get accurate values. In order to record the number, you can also Press the HOLD keyboard.
【LCD Display】The LCD clearly displays the data and the LCD backlight turns off automatically. Small and easy to carry. 365 days for a worry-free return service.

Check Stock

LYCHL Indoor Air Quality Monitor Formaldehyde Detector HCHO Monitor VOC Meter Temperature & Humidity Meter with Alarm Clock

【REAL-TIME MONITORING】This Formaldehyde Detector can accurately monitor HCHO concentration, air quality, environmental humidity, and temperature in real-time. The indoor air quality meter is embedded with a high-performance chip with a precision sensor. Indoor air quality can be monitored anytime and anywhere..
【LED Display 】This HCHO monitor is simple in design, 7.6-inch LED display with no refection, which could be seen clearly in any corner. Digital alarm clock is as add-on feature..
【Color Warning and Sounding Alarm】0-0.100mg/m³: value display is white, no sound.
0.101-0.130mg/m³: value display is yellow, alarm every 15 seconds.
0.131-0.300mg/m³: value display is orange, alarm every 5 seconds.
0.301-0.500mg/m³: value display is red, alarm every 2 seconds. When the alarm is activated, any key can be used. During the alarm period, pressing any key will clear the alarm..
【Portable and Easy to hang on】Comes with the adhesive strip.Design with hang hole. You can hang the HCHO monitor on the wall very easy or move it to place on the desk. The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc..

Check Stock

KKmeter EMF Meter Handheld Digital LCD Electromagnetic Field Detector for Home Office

Two Uses of One EMF Meter: Testing the electromagnetic field Radiation and the temperature at the same time. The EMF Meter can get Measurement of Home Appliances: TV, AC, Induction cooker, rice cooker, refrigerator, computer, electrical wires, etc..
Safe Range: 0-0.4T or 0-4mG.when the radiation data exceeds the safe range,The EMF meter will flash red and alert the user via an alarm sound.
Multifunction: Data Hold & Max Measurement,sound-light alarm,backlight,manual/auto shut off,/ measurement, safe value setting, selection of MG or T, mutation function.
Package List: 1 x Electromagnetic Radiation Detector (EMF Meter),1 xUser Manual (English + French + German + Italy + Spanish).
Carefree service24 months warranty and technical support. Our after-sales technical engineers provide answers to all-day online questions ,just contact us via buyer messages, we will make it at first time.

Check Stock

AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof 5 Functions pH TDS EC Salinity Temperature 0.01 Resolution High-Accuracy Pen-Type Tester for Hydroponics Water Wine Spas Aquariums White

[5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and....
[Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point....
[TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%..
[EC Measurement] - Measure Electrical Conductivity of either fresh or salt water..
[Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater....

Check Stock

AUTOAND Car GPS & OBD Smart Gauge HUD Head Up Display, Digital Car Inclinometer Level Tilt Gauge Speedometer MPH Compass for All Vehicles

[MULTI-FUNCTIONAL HUD DISPLAY] Compared with the traditional OBD+GPS gauge, our gauge supports OBD and GPS, and combines the function of the car slope meter, which can measure the pitch angle of the vehicle. It is an ideal choice for self-driving. PLEASE NOTE: If the vehicle does not support OBD2 protocol, only the GPS function will be displayed. If you are not sure whether your car supports the OBD2 protocol, please feel free to contact us..
[GPS+OBD+SLOPE METER] It is a head-up display that combines three functions, which can read the real-time data output of ECU through the data line connection to the automobile OBD interface, and supports 9 OBD protocols. Functions display: driving speed, coolant temperature, vehicle roll and pitch angle, altitude, latitude and longitude, battery voltage, RPM speed, satellite time and positioning, compass, driving time and driving mileage..
[FOR SAFE DRIVING] With a HD display, the car owner can monitor the driving data in real time, the data is clear at a glance, not only can drive without bowing your head. This gauge uses the principle of light sensor, which can automatically adjust the brightness of the screen according to the changes of ambient light, allowing the car owner to focus on driving and providing a s....

Check Stock

Fdit Wall Mounted Decibel Meter, Digital Sound Level Meter Noise Meter Tester Measurement Range 30-130dB, Accuracy 1.5dB with LCD Display

Stay away from noise- Take care of health, no matter where you are, including baby room, office, classroom factory. A industrial decibel meter helps to let your people know that any level above 85 db is detrimental to their health. You have to be responsible for their health who you care..
Easily wall mounting- With backside screws, it can be easily wall mounted. Super large 9.6 inch LCD digital display with backlight that makes reading more clear and visually in dark areas..
Alarm function, bring precise life- You can set the low db alarm and high db alarm range for noise sound alarm system through PC. When the measuring value is over the alarm value, the meter will make a sound beeping and lock the data with blinking for 2 minutes.
Data storage and derive- The instrument will automatically store the data every 2 seconds, and the stored value is the largest noise value in 2s, which can last for one year.
PC control conveniently- With CD and USB cable delivered, it can connect computer with USB cable, you can down-load records, collect samples and print chart and date,etc.

Check Stock

Neoteck True RMS 9999 Counts Digital Multimeter, Large Backlit EBTN LCD, Manual & Auto Dual Ranging Integrated Design - Black

【Full Functioned Digital Multimeters】This true RMS 9999 counts multimeter can accurately measure AC/DC voltage, AC/DC current, Ohm, capacitance, diode, continuity, Hz, duty cycle, live wire test, NCV & VFC function, temperature..
【Manual & Auto Dual Ranging Integrated Design】 If you need a more precise values, you can choose manual mode. If you want to easily obtain measurement results, you can choose automatic mode..
【Triple Protection】 Overload protection function: when the access voltage is lower than 250V, the digital voltage meter will automatically prevent burnout during the entire process.
Fuse Disconnect function: when the current is too large, the two fuses will immediately blow to protect the motherboard, prompt "FUSE" on the screen and beep alarm.
Wrong Polarity Alarm function: when the gear position and the test leads access port do not match, the volt meter's screen will display "LEAD" and beep..
【Large inverted EBTN LCD Display, Easy to Read】 Negative contrast - the number values are white against a black background instead of the other way around, and the whole screen is lit. (PLEASE NOTE: It's not recommended to use the meter under strong outdoor light. It may be not clear enough to read.).

Check Stock

DIMMAIRY Decibel Meter, Digital Sound Level Noise Meter Measurement 30-130dB Backlight MAXMIN, Data Hold Auto Power Off Dual Ranges,Black

✔ 003cb003e【Higher accurate & wider frequency range】003c/b003e : Handheld Sound Level Meter calibrated to the standard source in advance by our factory, measurement 30 - 130 dB with frequency range from 31.5Hz-8.5KHz.Highly accurate with +/-1.5dB..
✔ 003cb003e【Smart design】003c/b003e : Mini digital noise meter with data hold function,maximum and minimum value measurement.Temperature measurement function and temperature unit selection(℃/℉). LCD display with backlight,convenient to use at night..
✔ 003cb003e【Stable and reliable】003c/b003e : LCD decibel test with stable and reliable performance.Low battery indication, automatic & manual power off function.Equipped with sponge ball for sensor protection. Red back light alarm and sound alarm function..
✔ 003cb003e【Wide application】003c/b003e : Audio Noise Measure Device with alarm and digital is a great tool for checking, monitoring or controlling the sound level of any environments. Best suit for personal, families, business, studies, industrial and etc..
✔ 003cb003e【What you get】 003c/b003e: 1x Sound Level Meter (battery not include ), 1x user manual, 1x Perfect package box (If you have any problem , please do not hesitate to contact us, our support team will solve your pro....

Check Stock

Casio Mud Resistant Stainless Steel Quartz Watch with Resin Strap, Black, 27.6 (Model: TRT-110H-2AVCF)

Heavy duty design with Mud resistant features and 100 meter water resistant. Additonal features include super illuminator and vibration alarm..
1/100 sec stopwatch (24hr), 1/10 Sec C. Down Timer (24 hr), Vibration Alarm, Full Auto Calendar Module 3463.

Check Stock

Casio Mud Resistant Stainless Steel Quartz Watch with Resin Strap, Black, 27.6 (Model: TRT-110H-1AVCF)

Heavy duty design with Mud resistant features and 100 meter water resistant. Additonal features include super illuminator and vibration alarm..
1/100 sec stopwatch (24hr), 1/10 Sec C. Down Timer (24 hr), Vibration Alarm, Full Auto Calendar Module 3463.

Check Stock

HM Digital 1000ppm TDS Calibration Solution

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
Comes in lightweight HDPE plastic bottles.
Laboratory quality NIST-traceable solutions.
Any brand TDS meter can be calibrated to any brand of calibration solution.
Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.

Check Stock