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廈門市哈德沃克電子科技有限公司專業(yè)代理德國(guó)FHF防爆電話機(jī)Ex-ResistTel 11286101,原裝進(jìn)口,服務(wù)專業(yè)。

FHF Ex-ResistTel 11286101

Connections
Types of protection 

II 2 G EEx em[ib] IIC T5     II 2 G EEx em[ib] IIC T6
II 2 D IP66 T100°C             II 2 D IP66 T80°C
-25°C ≤T a ≤60°C              -25°C ≤ T a ≤40°C
Approval: DMT 02 ATEX E 183
Line voltage: 24 V DC to 66 V DC
Line current: 15 mA DC to 100 mA DC
Ringing alternating current: 24VAC to 90 V AC (at 21...54 Hz ringing frequency)
                                        30VAC to 90 V AC (at 16,6...54 Hz ringing frequency)
Ringing impedance: Greater than 6,0 K? at 25 Hz and 24...90 V AC .
                              Greater than 4,0 K? at 50 Hz and 24...90 V AC .
Inquiry key: Flash function adjustable from 40ms to 399ms
Dialling procedure: PD-DTMF operation to be set in the menu.
                             PD operation where the pulse/pause ratio can be set to 1.5:1 or 2:1 in the menu.
W-conductor: Connection for external secondary sounder.
Screw terminals: Up to 4 mm 2 rigid. Up to 2.5 mm 2 flexible.

Housing
Material: Glass-fibre-reinforced polyester
Height x Width x Depth Approx. 266 mm x 227 mm x 135 mm
Weight Approx. 5.5 kg
Display: 2-line alphanumerical display with pictograms.
             Visible area approx. 78 mm x 26 mm.
Keypad: Metal keypad with ice protection.
             21 keys with ABC lettering for name entries.

Receiver
Stabilizer bracket: Integrated, adjustable stabilizer bracket.
Handset cord: Stainless steel (V4A) armoured handset cord.
Receiver inset: Dynamic receiver inset with leakage field spool for inductive coupling of hearing aids.
Mouthpiece: Electret-foil microphone
Noise suppression: Greater than 3dB due to integrated mouthpiece horn mouth.

Environmental conditions
Degree of protection: IP 66 according to EN60529
Impact protection: IK 09 according to EN50102
Operation temperature: -25°C to +60°C for temperature class T5
                                    -25°C to +40°C for temperature class T6
Storage temperature: -25°C to +70°C


Further characteristics
Optical call signalling: Display shows ( ( (  ) ) )
Ringing sound pressure level: Approx. 90 dB(A) at 1m distance
Ringing melodies: 10 melodies selectable
Listening by loudspeaker: Maximum sound pressure level
                                      approx. 68 dB (A) at 1m distance.
Handsfree operation: Maximum sound pressure level
                                approx. 68 dB (A) at 1m distance.
Amplified listening in receiver: Receiver volume can be boosted
                                            in 7 steps from 0–12 dB(A).
Menus: In several language
Telephone directory: Max. 50 entries (names and numbers)

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