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Alarm point of SF6 concentration exceeding limit: 1000ppm, accuracy < ±5%；
● O2 concentration detection range: 0-25%, anoxia alarm point: 18%, accuracy <± 0.5%；
● Temperature display range:-20 ~+99℃, accuracy < ±0.5%；
● Humidity display range: 0 ~ 99% RH, accuracy < ±3%;；
● Input power supply：AC 220V±20%；
● Alarm output contact power：AC220/5A；
● Fan output contact: 380V/15A (three-phase) or 220V/15A；
● Fan startup: When O2 content is ≤19.6% or SF6 gas concentration more than 1000ppm, the fan will be started automatically, and the startup time of each time will be set automatically according to the time period. The fan can be controlled manually or forced to start；
● Mass alarm information storage design;
● Five large-capacity alarm contact outputs.
● SF6 and O2 transmitters adopt imported original sensors with long service life；
● Low SF6 gas detection alarm error < 1%, oxygen alarm error < 0.5%；
● The fan controller can control the original fan.
Product features:
1. Automatically start the fan exhaust function when the overrun alarm leaks；
2. O2 content detection function in the environment; Automatic alarm and automatic exhaust in case of hypoxia;；
3. Large screen LCD dynamic Chinese display with automatic screen protection function. Friendly interface and fast refresh speed；
4. Low SF6, O2 gas content exceeds bid, fan automatic start function；
5. Regular exhaust function；
6. Start the forced exhaust function when alarming；
7. Relevant historical data storage and retrieval functions；
8. Temperature and humidity detection, alarm and display；
9.Voice prompt alarm function；
