Intrinsic safety radio GP328 VHF
Intrinsic safety radio
VHF 156-163.425MHz
GP328 is Ex ib IIB T3 explosion-proof grade. It has passed the intrinsic safety certification of the explosion-proof certification body and meets the requirements of explosion-proof environment. It is suitable for the Zone 1 and Zone 2, T1-T3 explosive gas mixture containing IIA-IIB.
| IIA | IIB | IIC | |
| T1(450℃) | Methane, toluene, methyl ester,Ethane, propane, acetone,Acrylic, benzene, styrene,Carbon monoxide, ethyl acetate,Acetic acid, chlorobenzene,methyl acetate,ammonia | Propylene, propylene Clear, dimethyl ether, Hydrogen cyanide, City gas | Hydrogen, water gas |
| T2(300℃) | Methanol, ethanol, ethylbenzene, Propyl alcohol, propylene, butanol,Butane, butyl acetate,Amyl acetate, cyclopentane | Butadiene, ring Ethoxyethane, B Ene, furan | Acetylene |
| T3(200℃) | Pentane, pentanol, hexane, Hexanol, heptane, octane, Ethanol, turpentine, Naphtha, petroleum (including steam Oil), fuel oil,Pentanol tetrachloromethane | Dimethyl ether, propylene Aldehyde, hydrogen sulfide | |
| T4(135℃) | Acetaldehyde, trimethylamine | Dibutyl ether, two Ether, ethyl methyl, Tetrafluoroethylene | Carbon disulfide |
| T5(100℃) | Ethyl nitrate | ||
| T6(85℃) | Ethyl nitrite |
Intrinsically safe certification standards
Passed the Ex ib IIB T3 intrinsically safe explosion-proof certification, in line with the SOLAS regulations for ship firefighters communication
VHF Maritime Channel
VHF (156-163.425MHz) maritime channel
US, Canadian and international channels
Built-in US, Canadian and international channels for use in specific sea areas
One-button emergency alarm
Press the emergency button in an emergency to give a louder tone
Monitor function
Monitor the status of each working channel and listen to all wireless signals in the current band
Scanning function
When the scan function is activated, the intercom opportunity scans the channel to check for incoming calls.
Battery charge
The button can check the battery status by the color of the indicator light.
General specification | |
Frequency Range | 136.000-174MHz |
Frequency stability | 2.5ppm |
Battery | Hydrogen battery |
Operating temperature | -30℃~+60℃ |
Dimensions | 57.5（W） x 137（H） x 37.5（D）mm |
Weight | 420g |
Waterproof Level | IP54 |
Explosion-proof grade | Ex ib IIB T3 Gb |
Transmitter specification | |
Output Power | 5W |
Audio distortion | 3% |
Channel spacing | 12.5kHz |
Band interval | Full-band differentiation |
Modulation limit | ±2.5@12.5kHz |
Receiver specification | |
Receiving sensitivity | 0.25uV |
Rated audio | 500mW |
Adjacent channel sensitivity | 60dB@12.5kHz |
Spurious Rejection | 70dB |
Intermodulation suppression | 70dB |
Audio response | +1~-3dB |
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