industrial telephone is a Telecommunications product. Key specs — Origin: China.
Product Description
Waterproof IP66 Explosion proof Temper sensors Vandal esistant Applications: Railway Tunnel Subway Water plant Petrochemicals factory Power plant Port, Dock...
Model: KNSP-01 Name: MOISTUREPROOF PHONE
Description:Defend grade: GB 4208-93 IP 66 Call capability of GB/T 15279-94 Application scope: metro, light railroad, speedway, ship, mine, etc. External configuration specification External dimension: 320×205×120mm Weight: 5.5Kg Installment dimension:139×260mm M8 bolt is used to install Main features 1.
Cabinet:aluminum alloy die - casting, high anti-violent, able to glisten, convenient for looking for 2. Door cover:orient automatically and good self - closing, convenient for use. 3. Handset:made of special engineering plastic, high anti-knock resistance. high tensile strength resistance and high anti-violent. 4.
All of the components including handset telephone receiver and transmitter, keypad, buzzer, circuit board and cabinet are designed to be multi - layer waterproof and dust - proof which is up to Class III grade. The whole machine is up to national standard GB4208-93 IP 66. 5.
Phone is provided with high stability, high anti-jamming capability, and it is up to national standard GB/T 15279-94. Specification: 1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-60V. 2.
Ambient temperature:-30℃~60℃ 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% If service line is a 3Km signal - level: Standard frequency:low frequency group:-9dB±3dB, high frequency group:-7dB±3dB, level difference between low and high frequency of compound signal:2±1dB, 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 600Ω. 6. Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
