Clean Room Emergency Telephone 2
The clean room dedicated telephone consists of a hands-free telephone movement and a dedicated panel and case suitable for the clean room.
The Main Function Of Clean Room Emergency Telephone
5.Ringing light display
Clean Room Emergency Telephone Features
1.PE film printing panel, the surface is completely flat
2.Thickness 38mm, flush mounting, completely flat with the wall
3.With waterproof function, the surface can be cleaned and sterilized
without picking up the headphones by hand to avoid contact pollution
4.Touch button, fully built-in call and receiver
5.No space, no dust, no exposed telephone line
1.The telephone casing is made of high-strength stainless steel 304 material, and the surface is treated with high-temperature spray paint, which is resistant to abrasion and corrosion. The outer casing has a grounding device and is completely electrically isolated from the internal circuit, and has a certain electromagnetic shielding function, and has the characteristics of dustproof, riot proof, anti-fall, and smash resistance, and the whole machine protection grade reaches IP54;
Clean Room Emergency Telephone Product Features
2.The telephone main board is developed by imported ATMEL MCU, environmentally friendly SMD components, high integration, safety and stability;
3.The telephone 12-bit button (keyboard) is made of 304 stainless steel, the contact resistance is ≤ 30 ohms. The service life is ≥ 2 million times. The pressing force is 160-200 grams;
4.Hands-free use of the latest and most advanced hands-free chip, the call voice is clear, loud, no whistling sound.
Clean Room Emergency Telephone Main Technical Parameters
1.Applicable to various program-controlled switches and dispatching switches and dispatching switch systems with a feeding voltage of 24-60V;
2.Temperature: -20 ° C ~ 70 ° C Relative humidity: 10% ~ 75% Atmospheric pressure: 86 ~ 106 Kpa Ambient noise: ≤ 60dB (A);
3.Ringing level: ≥70dB;
4.When the subscriber line is 3KM is the signal level standard frequency: low-frequency group: 697-941Hz high-frequency group: 1209-1477Hz frequency offset: no more than ±1.5% combined signal high and low-frequency level difference: 2±1dB by harmonic The total distortion caused by intermodulation is at least 20 dB lower than the basic level;
5.Call transmission index: SLR ≤ 12, RLR ≤ -1, STMR ≥ 10, output impedance: 600 Ω;
6. On the 0.8mm cable core, the subscriber line can be up to 7KM long.