Reviews Industrial Air Monitoring

ATO Phase Voltage Monitoring Sequence Relay 1 Phase Voltage Protection Relay Under Over Voltage with 1 CO + 1 NC Contacts AC/DC 24-48V

  • 【Measuring Circuit】Phase sequence protection relay is compatible with AC and DC supply, the rated voltage is AC/DC 24-48V.
  • 【High-quality Product】LCD display indicating voltage, operation and fault status, adjustable reset mode: automatic/manual/automatic with power-on delay reset, fault recording for the lately 3 faults.
  • 【Mutiple Functions】Adjustable overvoltage and undervoltage threshold, independent adjustable delay time for over-voltage, under-voltage.
  • 【Output Contacts】Monitoring relay with 1 CO + 1 NC contacts, and the capacity is 6A, 250V AC (resistive load).
  • 【Wide Applications】Voltage monitoring sequence relay can be applied in equipment or devices from undervoltage and overvoltage in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc..
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Eboxer Miniature Current Switch, 0.2 to 30A Flameproof Adjustable AC Current Sensing Switch, with Users Manual, Self Powered Sensing Switch for Automated Industrial Equipment(Normally Closed)

  • HIGH QUALITY SENSING SWITCH: Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices..
  • HIGH PERFORMANCE: Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life..
  • SAFETY AND SIMPLE: The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment..
  • ADVANCED TECHNOLOGY: Using the principle of electromagnetic mutual inductance of current, the advanced output detection, monitoring and protection alarm products developed by the non power supply technology are adopted..
  • WIDE SUITABLE: An ideal choice for automated industrial equipment and power monitoring, widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries that need current monitoring..
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Temtop Air Quality Monitor PM2.5 Formaldehyde TVOC Detector Indoor AQI Monitor Air Pollution Detector for Home School Office Hospital, M10

  • [4 in 1 Multifunctional Monitor] This smart air quality meter provides accurate monitoring of PM2.5, AQI, HCHO, TVOC. Conveniently offer measures 4 important indexes for indoor air quality..
  • [Professional High Tech Components] Adopting Temtop core technology industrial-grade PM2.5 laser sensor, British Dart formaldehyde sensor. Professional high-tech components to ensure the ultra-precision and professionalism for detecting needs..
  • [Easy to Use] Only use one single button to realize ON/OFF, interface switching, and auto-loop function. 3 color led light to indicate the air quality from healthy to unhealthy. The calibration function for HCHO sensor is also available..
  • [Why Temtop] Professional air quality expert with 10 years R&D in PM2.5 sensor and cooperates with other professional sensor suppliers worldwide such as Senseair/Sensirion/ Renesas..
  • [What You Get] M10 air quality monitor, charging cable, reset pin, user manual, Temtop 12-months warranty & 24/7 customer support access via email and phone..
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Current Switch, Self-Powered Current Sensing Switch SZC25-NO-AL-CH AC 0.5-50A Adjustable Normally Open Current Sensing Relay for Flash Buzzer Transformer Substation

  • 【HIGH PRECISION & STABLE PERFORMANCE】The product features high quality, high precision, stable performance and long service life. It has the advantages of high precision, more stable heart, and long service life. It is an ideal choice for automated industrial equipment and store monitoring..
  • 【WORKING PRINCIPLES】This AC current sensing switch is designed and manufactured to solve the AC current monitoring. It uses the principle of mutual inductance to sense the AC current through the AC, isolate the AC current, and output a normally closed switching signal to directly control various automated chemical equipment..
  • 【FAST RESPONSE & LED INDICATOR】The switch has no new limit, and the reaction speed reaches ms. The LED state indicator provides a convenient and intuitive representation of the operating status of the switch. Through-heart structure design, isolation withstand voltage up to 2000V..
  • 【SELF-POWERED SENSING SWITCH】Self-powered, no external power supply required, high-power MOS tube non-contact electronic switch. The operating current of 0.5-50A AC can be adjusted by the potentiometer..
  • 【WIDE APPLICATION】Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive....
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IQAir [AirVisual Pro Air Quality Monitor] Monitor Indoor Air Quality [PM2.5, CO2, AQI, Temperature, Humidity] Real-Time Air Quality & Forecasting, Historic Data, IFTTT

  • Professional grade, highly accurate air quality monitoring system.
  • Displays real-time indoor air quality readings plus temp & humidity.
  • IFTTT (If This, Then That): Set your AirVisual Pro to act, based on certain parameters. For example, if your AirVisual Pro has a high CO2 reading, then you get an alert..
  • High precision laser technology for PM2.5 sensor, industrial grade CO2 sensor.
  • Connects to Wifi: view your readings via mobile app or desktop. Unable to ship to PO Boxes..
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EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC

  • ✈ PRODUCT NAME---Voltage Monitoring Relay.
  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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GSM Home Alarm System Wireless Circuit Fault Monitoring Alarm Analog Acquisition Temperature Short Circuit State Monitoring Alarm Home Warehouse Security Application(US standard (100-240V))

  • ...sensitive, which can quickly detect abnormal situations and alarm in time. When the host is armed, the anti-theft, air leakage, water leakage and other situations will trigger the defense zone, and the host will notify through the mobile phone APP or SMS, which is suitable for home security, warehouse security, and industrial remote monitoring.
  • MULTIFUNCTIONAL: Multiple applications (temperature, power status, solar panel, DC voltage), support for remote reading of historical data via SMS, cloud monitoring with TCP and RTU over TCP protocols, rechargeable backup battery lasts 8 hours.
  • MULTIPLE AUTHORIZATION: Up to 10 authorized phone numbers, 5 can be used to receive calls or text messages, 5 can be used for calls and text messages to generate alarms, can be programmed through SMS protected SMS commands or APP, based on GSM network, suitable for various app, auto restart loop via remote reset and restart via SMS.
  • REMOTE CONTROL: GSM temperature monitoring alarm can reject calls from authorized numbers without making calls, and users can dial the device number through authorized numbers. The device automatically rejects reception and immediately sends the caller a text message of the current status (temperature and voltage).
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Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V DC48V

  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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AC 0.5-50A Current Sensing Switch,SZC25-NC-AL-CH Current Relay Monitoring,Adjustable Normally Close Current Switch,

  • High precision, more stable and long service life.
  • It is an ideal choice for automated industrial equipment and store monitoring..
  • This AC current sensing switch is designed and manufactured to solve the AC current monitoring. It uses the principle of mutual inductance to sense the AC current through the AC, isolate the AC current, and output a normally closed switching signal to di.
  • Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries requiring current monitoring.
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Digilent Pmod ISNS20: 20A Current Sensor

  • 【FUNCTION】Adjustable DC current induction switch is a switch output detection, monitoring and protection product developed by using advanced non-sourced power supply (only for alternating current) technology.
  • 【IDEAL CHOICE】Compared with the traditional transformer and thermal protector, the current induction switch has the advantages of high accuracy, stable performance and long service life, it is an ideal choice for automatic industrial control equipment and power monitoring.
  • 【APPLICATION】Widely used in substations, variable frequency speed regulation devices, frequency converter devices, electrolytic plating, electric locomotives, street lamp monitoring, coal mines and other automation industries that require current monitoring.
  • 【PRINCIPLE】The current induction switch uses the principle of electromagnetic mutual inductance of current for safety, introduction, and convenience to monitor or detect the current of electrical equipment.
  • 【TWO TYPES】The switch type is normally open and normally closed, you can choose the appropriate product according to your needs, the startup time is less than 0.1 seconds. The shell material is fireproof ABS, which is safer to use.
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