IP Intercom SUS Phone Cleanroom Phone Dustproof Telephone Emergency Telephone

IP Intercom SUS Phone Cleanroom Phone Dustproof Telephone Emergency Telephone
 
The telephone is compatible with most of simulative or digit telephone distance control exchanger. Mainly used as handset free sound telecommunication in hazardous work environment.
 
Main Features:
1. Main body with whole aluminum alloy with stainless steel front plate.
2. Handset free, double loudspeaker, with indicator display while speaking.
3. Lightening protection to ITU-T K.21
4. One memory keypad. Illuminated buttons optional
5. Adjustable 7 minute timeout optional
6. Waterproof grade is IP65
7. Support hotline call, can realize ring off automatically by the receiver
8. The design is super thin and smart. Embed style and hanging style can be chosen. 
7. Analog and VOIP version (optional).

Application Examples:
As Public telephone for indoor or outdoor,  clean room , hospital , laboratoty ,elevator .etc.

Specification:
Main technical indexes: 
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~ +60 degreeRelative   Relative humidity: 10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise: <60dB(A)
3. Sound level of ringing: >70dB(A).
4. Standard frequency: low frequency group: 697, 770, 852, 941Hz, 
high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%~+1.5%
If service line is a 3Km signal-level: 
Standard frequency: low frequency group: -12dB~-6dB, high frequency group: -10dB~-4dB, level difference between low and high frequency of compound signal: 1dB~3dB, the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.
5. Call transmission index: (5KM)SLR<12, RLR<-1, STMR>10, output impedance is 600 Ohm.
 
Packaging specifications

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