Execute criterion: UL539
Stainless steel shield, anti-RFI(20V/m-1GHz)
Dustproof,mothproof,anti-light interference design
SMT manufacture technology, high stability
Network output/LED indicating alarm
MCU processing adopted, eliminate false alarm
Infrared photoelectronic sensor
Power supply non-polar input
optical smoke alarm
4-wire network type optical smoke alarm
Relay output NO/NC for choice
LED indicating alarm
Delivery Time: | 5 business days for MOQ |
Package: | OEM service welcomed |
Supply Ability: | 500,000 Piece/Pieces per Month |
Minimum Order Quantity: | 1000 Piece/Pieces |
Payment Terms: | T/T,Western Union |
Port: | Shenzhen |
FOB Price: | US $1 - 6 |
Model Number: | HM-612PC-4 |
Brand Name: | HEIMAN |
Place of Origin: | Guangdong, China |
Model Number: | HM-612PC-4 |
Brand Name: | HEIMAN |
Place of Origin: | Guangdong China (Mainland) |
In the fields of biological sample storage, medical cold chain transportation, and laboratory research, the normal operation of liquid nitrogen tanks is crucial for the cryogenic storage of biological samples such as cells, embryos, and frozen sperm. However, there are many ...
In the laboratory, some samples need to be stored at low temperatures, and liquid nitrogen storage tanks are usually used. Its normal operation requires a certain amount of liquid nitrogen in the container to ensure the safety of the samples. However, liquid nitrogen is easily ...
Come From Tianchi Cryogenic Machinery Equipment Manufacturing
Theliquid nitrogen level alarm is a monitoring instrument used to sense temperature changes and liquid level heights in various low-temperature liquid nitrogen containers. When the liquid level in the liquid nitrogen tank drops to a certain level, the alarm device will be ...