For laboratories, the cell samples stored in liquid nitrogen tanks are relatively precious. If liquid nitrogen is not added in time, the cell samples will lose their activity due to insufficient liquid nitrogen, causing unnecessary losses. To avoid this kind of situation, we can choose a liquid nitrogen tank alarm to help us check how much liquid nitrogen is left in the tank, and remind us to replenish it in time when the liquid nitrogen is insufficient.
What is a liquid nitrogen tank alarm?
The liquid nitrogen tank alarm is specially developed and produced for measuring the liquid nitrogen balance and temperature in the liquid nitrogen tank. It uses imported high-precision sensor probes and is powered by dual 18650 large-capacity batteries. The USB port can be connected to an external power supply for power supply and charging. It has an ultra-low power consumption design. A single battery can last for 4 months (real-time data is reported once every 10 minutes). With accurate measurement and excellent performance, it is widely used in liquid nitrogen cryogenic equipment, pharmaceutical warehouses, cold chain transportation, laboratories and other places.
working principle:
It uses imported high-precision sensor probes to measure the temperature of liquid nitrogen and output information to the terminal;
Liquid nitrogen tank alarm features:
1. Imported high-precision probe, with high measurement accuracy, large range and good consistency.
2. With a cloud monitoring platform, there is no need to monitor hosts, collectors and other equipment.
3. Easy to use, you can use the mobile APP or log in to the web page to view the data.
4. Support SMS alarm and email alarm.
5. Realize cloud monitoring of high temperature, low temperature, high humidity, low humidity, offline, low battery, power outage, etc.
Note: The temperature probe should be fixed in the appropriate position according to actual needs.
6. Low power consumption design, using a large-capacity battery, rechargeable; the battery is anti-reverse connection, and the phone will not burn if the battery is installed backwards.
7. Offline recording function, normal monitoring and recording of data when the network is disconnected, and automatic reporting to the cloud platform after the network is connected.
8. Desktop wall-mounted magnetic structure design, easy to install; has super stability and anti-interference ability.
Supplier: Wireless charger, batteries power bank, dust sensor, optical disc drive, tof, lidar, ar glass
Supplier: Wired magnetic door sensors.
Agecho ultrasonic sensors salient features: Agecho ultrasonic sensors are available with output options such as analog current 4-20ma, analogue voltage 0-5v, on/off signal, trigger output for multi-sensor application, pulse width , serial ttl , serial rs 232c. Agecho is very useful non-contact type of sensing or presence or counting of object. On/off type signal is also available. Agecho sensing range: 200mm to 1000mm … up to … 6000mm. (19.7feet) (0-200mm is dead band). Agecho accuracy is 1% of the full scale. Agecho operating voltage 12v dc, with reverse polarity protection.(24v dc optional) Agecho is self-calibrated. Microcontroller is present in each sensor. This provides direct distance/depth reading with better calibration and communication with the controller module. Agecho is very easy to install, rugged design for use in dusty and humid conditions, suitable for outdoor as well as indoor use. Agecho very useful for non-contact distance/level measurement. The distance of the target is measured, not just its presence, but gives directly 4-20ma, serial or pulse width data proportional to the distance of the target. Agecho operating temperature 0 to 65 degree celsius. Agecho temperature compensated measurement for better accuracy (optional). Agecho unaffected by ambient light, object color or any other optical characteristic. Works with hard materials like metal sheet, plywood, or soft materials like cloth and paper, rubber etc.
Product Parameter: Type: Optical Level Sensor Power supply: 5V DC Material: PC or PSU Size: 1.46*1.46*2.57 Operating Temperature: -20~ +65 °C Storage Temperature: -40~ +85 °C Working Life: 50000 Hrs Products Features: 1. No mechanical moving components and with high reliability. 2. Small in size and low in cost. 3. High liquid level control precision and can be installed from any direction 4. Satisfying the requirements in Safety Standards. 5. The sensor itself satisfies RoHS requirements. 6. Waterproofing standard IP67. 7. Accuracy is between ±1mm. Application: Water dispenser Water heater Humidifier Medical devices or equipment Electrical appliances and equipments etc. requiring liquid-level control
Item Name: Water Level Sensor Float Switch Item No: CFS-103L Color: black Cable Length: 350mm / 13.78inch Switch Size: OD17 x 85mm Thread Dia(Approx) : M16*1.5 Max Contact Rating: 10W Float Body Material: polypropylene Float Ball Material: polypropylene Working Voltage: AC110V-220V Working Temperature: -10~85 Max Temperature: 85 Working Pressure: 0.4 Mpa Max Pressure: 0.4Mpa Max Switching Current: 0.5A Max Breakdown Voltage : 220VDC Max Carry Current : 1.0A Max Contact Resistance: 100m Ohm Max Carry Current : 1.0A
APPLICATION This kind of level sensor float switch is designed for the Ink cartridge of advertising printing machine, oil cartridge, ink box, etc. It also can be using to any other container to monitoring the liquid level. HOW IT WORK This liquid level sensor float switch can be easily converted the up or down position monitoring by inverting the float after unload the E-ring. EASY TO USE, HIGHT RELIABLILITY This kind of float switch is simple and reliable, easy to install and use strong anti-interference with high reliability. LONG SERVICE LIFE DC24V AC 110V circuit can be used, electrical lifespan: 1 million times. OUR SERVICE We offer standard product and custom design service over liquid level sensor with different materials & different sizes, send me message for further support if you need customized product. PRODUCT SPECIFICATION: Item Name: Water level sensor float switch Color: Level Sensor Body Stainless Steel Color Cable Length: 350mm / 13.78 Switch Body Size: OD28 x 28mm Thread Dia (Approx): M10*1.0mm Max Contact Rating: 10W Float Body Material: Polypropylene Float Ball Material: SUS 304 Stainless Steel Wire Material: Fiberglass pipe Working Voltage: DV24 - AV 110V Working Temperature: -10~+85 Max Temperature: 85 Working Pressure: 0.4Mpa Max Pressure: 0.4Mpa Max Switching Current: 0.5A Max Carry Current: 0.5A Max Contact Resistance: 100mOhm Max Carry Current: 0.5A PACKAGE INFORMATION: Package Weight: 7.34 ounces Packing list: 6 x Liquid level sensor Float Switch Unit Weight: 0.8 ounce Package Size: 15x8.5x10.5cm / 5.8x3.3x4inch WHAT WE CAN DO We are professional manufacturer of the level sensor float switch, and we offer standard product and custom design service over all kinds of float switch level switch, temperature switches, flow switches, magnetic switches, reed switches, liquid level, pressure and flow sensor, welcome to send us inquiry for suggestion or support any time.
FS-IR02B series Water Liquid Single Point Level Sensor, the theory is infrared, it can totally replace traditional float level switch, it controls the level though output high or low voltage. When the detected level is in air, due to reflect of the prism,most of light will enter receiver LED, optical level sensor will output high voltage. When the detected level is in water, due to refraction of the liquid, just less of light enter receiver LED, optical level sensor will output low voltage.