Explosion-proof mine telephone set TASH-11ExI

Explosion-proof mine telephone set TASH-11ExI

The explosion-proof mine telephone set TASH-11ExI with a dialer is designed to provide stable telephone communication in mine networks.

Scope of application: underground workings of coal mines, including those hazardous due to gas and/or dust, as well as hazardous due to sudden outbursts of rock, coal and gas.

It is used in mine telephone communication complexes DISK-SHATS, URI, SHTSI4, BIT78, SAT, CORAL.

Telephone sets TASH-11ExI are manufactured with a degree of dust and moisture protection - IP65, according to GOST 24754-81, designed for operation in hazardous areas and are marked PO Ex ia I Ma.

The TASH-11ExI telephone set is a complete analogue of such mine telephone sets as TASH1319, TASH1-1, TASH1-1A, but has a number of additional functions and advantages.

Functions of the device TASH-11ExI:

telephone communications
dialing in pulse and tone modes
memory for 12 numbers
operational and emergency communication with the dispatcher (buttons “D” and “A”)
call 10 numbers by pressing 2 buttons
presence of end call and redial buttons for the last number dialed
automatic disconnection of the line and return to the “call waiting” state when the handset is off-hook after a specified period of time
Receiving incoming calls when the handset is off-hook
optionally - the ability to connect an external sensor with a relay contact, when triggered, the device, automatically calling a number pre-recorded in memory, will transmit a pre-recorded voice message
ability to connect an external incoming call duplication device
the ability to program the device from the keyboard, restricting access to the programming mode via a PIN code.

Technical characteristics of the device TASH-11ExI

Ring tone volume at a distance of 1 m, dB


not less than 95


Degree of protection against exposure to dust and moisture


IP65




Class of intelligibility of voice messages in communication paths according to GOST 16600


not less than III


Level and type of explosion protection


PO Ex ia I Ma




Maximum length of the communication line when using a cable with a core diameter of more than 0.64 mm, km


15


Climatic version according to GOST 15150-69


UHL5




Local effect attenuation rate, dB


at least 8


Operating temperature range, degrees. WITH


- 30 … +60




Transmission volume indicator, dB


4...10


Relative humidity at 35 degrees C, %


100




Reception volume indicator, dB


0...minus 6


Air dust content, mg/m3, no more


2500




Vibration loads with acceleration 49 m/s2 in the frequency range, Hz


10…70


Average time to restore working condition in electrical repair shops, hour


no more than 2




Shock loads with acceleration 147 m/s2 with a total number of impacts


10000


Mean time between failures, hour


not less than 10000




Overall dimensions, mm


305x200x90


Average service life, years


at least 6




Weight, kg


2