dST1, dST2
explosion-proof telephone for universal applications in the
industry (onshore) and offshore
certified for gas and dust explosion endangered areas (G and D)
resistent against high temperature differences, humidity, seawater
acids, alkalis etc.
freely programmable, well readable alphanumerical display
designed for use with gloves, V4A stainless steel keypad - 21 keys
model without keypad available as emergency telephone
handsfree operation
visual call signalling
ringing sound pressure level approx. 90 dB (A) in 1 m
listening by loudspeaker: max. 68 dB (A) in 1 m
receiver volume adjustable in 7 steps from 0 dB to +12 dB
menu in german/english/french/spanish
locking option via PIN-code 

dFT3 - Ferntel3 - Zone2

well designed, analogue telephone for use in explosion
endangered atmospheres of zone 2 and 22
for use in areas in which explosion endangered atmospherers
can develop due to manufacturing reasons (e.g. in chemical and
petrochemical industries due to gases, vapours, sprays etc.)
housing made of polycarbonate, stainless steel screws
housing colours yellow, red, grey or black
can be used as desk or wall telephone
models with or without display
option: receiver can be firmly fixed - stabilizer bracket
call tone approx. 95 dB (A) in 1 m
ATEX certified 

VS1

explosion proof visual-audible telephone call sounder
for universal applications in industrial explosion endangered areas
for distinct signalling of incoming telephone calls in loud ambient conditions
3 tone types and up to 4 tone frequencies selectable via DIP switch
230 V power supply
strobe beacon with call break bridging, 5 lens colours