PSST Technology(HongKong) CO., LTD.
Clean Room Sterile Telephone
Clean Room Sterile Telephone

Clean Room Sterile Telephone

The advantage of clean room sterile telephone PT-S-MT8

PT-S-MT8 cleanroom sterile emergency telephone using the latest technical design, the stainless steel shell by laser cutting to ensure no gaps surface, no bulge of the installation. and the installation is simple, without power, connected the telephone line directly then it will be working,

The phone has greatly improved the quality of call, the motherboard is stable, using the latest Austria voice chip, the main control chipset is the USA ATMEL company industrial grade microcontroller, to ensure stable work in the harsh environments.

Build in high sensitivity microphone, push the button can have broadcasting call.
  • Overview
  • Specifications
  • Drawings

Main features of clean room sterile telephone PT-S-MT8

  • Wall-mounted installation, simple to maintain
  • Analog protocol intercoms
  • Stainless steel housing and keypad, impact resistant
  • Waterproof and dustproof, anti-vandal
  • Weather resistant to IP65-IP66
  • Full clear and loud sound for broadcasting
  • Telephone line powered
  • Build in Microcomputer control chip, made it smarter
  • Microphone sensitivity can be adjusted
  • Volume can be adjusted
  • One button push to have intercom calls

Applications of clean room sterile telephone PT-S-MT8

Widely used in the place of waterproof, dustproof such as laboratories, pharmaceutical factory, dust-free workshop, aseptic workshop, hotel bathroom ...etc.

Package of clean room sterile telephone PT-S-MT8

phone size: 250*150*40mm
Packaging material: PE EPE bag, carton
Net weight: 1.5KG
Gross weight: 2 KG


  • OEM/ODM services are available
  • Normal use, nonhuman damage, one year warranty

Specification of clean room sterile telephone PT-S-MT8

DTMF dialing parameters
  • Low frequency group frequency:697.770.852.941HZ
  • High frequency group frequency: 1209.1336.1477HZ
  • Frequency deviation: ≤ 1.5%
  • Low frequency group level: -9 + 3dB
  • High frequency group level: -7 + 3dB
  • Level difference : 2 + 1dB
  • Harmonic total distortion at least low 20dB than the fundamental level
Ringing tone decibel
  • 70dB
Speaker decibel
  • 90dB (external power supply)
Phone impedance
  • 600 Ω
  • EEPROM (power off without loss data)
  • RJ11 or 2P terminal
Parameter setting 
  • by keyboard DTMF dial set
  • excess of 50,000 hours using
Busy tone
  • 300~450HZ, interval between 300-500ms
  • 24-60v
Working environment
  • Operating  Temperature: 30°C to +65°C 

  • Storing Temperature: 40°C to +75°C 

Accessories material 
  • Button: Stainless steel
  • Housing: Stainless steel
  • Keypad: Stainless steel
  • Color: yellow red grey can be tailored
  • Logo, slogan can be tailored
  • With keypad or without keypad can be tailored
  • VoIp GSM Analog protocols can be tailored

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  • TEL:+86-755-89487736
  • FAX:0755-33671258
  • ADDRESS:NO. 20, Phoenix No. 1 Zone Industry, Fuyong Street, Bao'an District, Shenzhen City
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