SPHJ-D-A4 Outdoor Explosion proof Loudspeaker Station

       SPHJ-D-A4 Explosion proof Loudspeaker Station is a new generation of industrial telephone developed by shollper Technology based on the latest needs of industry users, adapting to the engineering standards of the new era, and targeted improvements. At the beginning of its design, this model took into account the impact of wireless coverage systems on communication terminals. Through full circuit digital transformation and the addition of MIC automatic shutdown function, it has excellent anti-interference performance. Compared with the previous generation product, the sound quality is clear, the background noise is smaller, and there is no whistling in the amplification, which is comparable to the user experience of public broadcasting products.

Product features:

The phone casing is made of high-strength aluminum alloy material, which is anti-static.

Adopting a sealed structural design, with a protection level of IP67, it has dustproof, rainproof, moisture-proof, and corrosion-resistant functions, suitable for harsh environments.

Digital circuit design with strong anti-interference ability and digital noise reduction function.

When switching between ringing and amplification, a prompt sound can be set or amplification can be directly performed.

The ringing signal can work simultaneously with the speaker and external speaker.

It has automatic picking and hanging control functions, and can automatically enter and exit the public address call state.

Equipped with busy tone detection function.

The last set of phone number redialing function.

Number dial luminous indicator.

The phone is equipped with a built-in power amplifier and supports broadcasting and shouting functions;

When switching between ringing and amplification, a prompt sound can be set or amplification can be directly performed;

The ringing signal can work simultaneously with the speaker and external speaker;

The number of incoming ringtones can be adjusted.

The integrated design of the phone and chassis plays an anti-theft role.

Supports multiple speech codecs including G.723, G.711, and G.729.

Ultra wide operating voltage: DC12V (9-18V).

This machine can be used in conjunction with programmable scheduling switches, voice gateways, and other systems.

Explosion proof rating: Exd ib II BT6 Gb

Explosion proof certificate number: CNEx21.3593X.

Usage conditions

Environmental temperature: -30 ℃ to+60 ℃

Relative humidity: 10% to 95%

Atmospheric pressure: 86kPa~106kPa

Environmental noise: ≥ 90dB

Call transmission characteristics

The transmission indicators of the telephone in a normal working environment; Send frequency response; Receiving frequency response; Sending amplitude characteristics; Distortion and other indicators should comply with the requirements of GB/T 15279-94 for call transmission characteristics.

Dialing characteristics

1. Pulse dialing

Dial pulse intermittent ratio: 1.6 ± 0.2: l

Dialing pulse rate: 10 ± 1 times/second

2. Dual audio dialing

Standard frequency: Low frequency group 695 Hz 770 Hz 852 Hz 941 Hz

High frequency group 1209 Hz 1336 Hz 1477 Hz 1633 Hz

Frequency offset: not exceeding ± 1.5%

Level: Low frequency group -9 dBm ± 3 dB

High frequency group -7 dBm ± 3 dB

High and low frequency level difference of combined signal: 2 ± 1 dB

The total distortion caused by harmonic intermodulation is at least 20 dB lower than the base wave level

Bell flow triggering module

The bell current triggering module should be able to reliably switch 220VAC AC power under the action of a bell current not exceeding 80mVA.

Module conduction voltage drop ≤ 1.5V

The leakage current during module interruption is ≤ 2mA

The module allows a current of ≤ 2A to pass through

Fork spring characteristics

1. The magnetic induction fork spring used in the phone should be able to switch normally when the handle is engaged or disengaged.

2. The fork spring can still work normally after 20 × 104 actions

Security

1. Under normal atmospheric conditions, the phone should withstand a sinusoidal AC voltage of 50Hz with an effective value of 500V for 1 minute without any arcing or breakdown phenomenon.

2. Under normal atmospheric conditions, the insulation resistance of the phone should not be less than 50M Ω.

Basic environmental adaptability

1. When the phone is at low temperature of -10 ℃ and high temperature of 40 ℃, its transmission and reception loudness evaluation values are allowed to deviate from the indicator by 3dB and comply with GB/T15297-94.

2. The phone is stored at temperatures of -40 ℃ and 55 ℃. After recovery under normal atmospheric conditions, it should meet the requirements of the above call transmission characteristics, dialing characteristics, ring flow triggering module, and fork spring characteristics.

3. The phone should have no mechanical damage or structural looseness after frequency range of 10-55Hz and displacement amplitude of 0.35mm sweep vibration, and should meet the requirements of call transmission characteristics, dialing characteristics, ring current triggering module, and fork spring characteristics mentioned above.

4. The phone should have no mechanical damage or structural looseness after collision with a peak acceleration value of 100m/s2 and a pulse duration of 16ms, and should meet the requirements of the above call transmission characteristics, dialing characteristics, ring current triggering module, and fork spring characteristics.

5. When the temperature is 40 ℃ and the relative humidity is between 90% and 95%, the allowable deviation of the transmitted and received loudness evaluation values from the indicator is 3dB, and the insulation resistance should not be less than 5M Ω.

The protection level of the phone casing meets the requirements of IP67 in GB/T 4942.2-93.

Other characteristics of the phone comply with the requirements of GB/T 15279-94.

Anti noise testing site, where voice signals transmitted in a noise environment of 115 dB have a clarity of over 95% that is audible to the other party

Ringing sound level>80 dB

Product Introduction:

Station parameters

Transmission cables: 2-core telephone cable, 2-core audio cable

Communication System: Standard Simulation

Equipment type: Outdoor wall mounted

Protection level: IP67

Body Material: Aluminum Alloy

Equipment size: 366 * 237 * 146mm

Equipment weight: including packaging and support 9.5kg

Power consumption of the whole machine: 50W

Supply voltage: AC 220V 50Hz

Environmental temperature: -30 ℃~+60 ℃

Environmental humidity: 10%~95%

Lead out hole: 3-G1/2 "

Speaker parameters:

Material: Aluminum alloy die-casting

Protection level: IP66

Explosion proof mark: Ex d lIC T6 G Open Ex tD A21 IP66 T80 ℃

Dimensions: 330 * 330 * 160mm

Weight: 2.75kg

Output power: 70V-120V