It is used for coal mine that contains explosive gases(methane and coal dust) and other bad environment.
Product features:
1, The telephone set is that two VF is to be concerned about dyadic machine with calling, assembling a characteristic tightly. Be concerned about dyadic machine external form dimension: 280 * 220 * 90.
2, Communication is MHYV1 * from when ≤ 10 kms, lines cable type specification 2 * 7/0.37.
3, Weight 1.7 kgs
4, Use hinder burn antistatic ABS engineering plastics, adopt acid-proof rubber to annotate a type, waterproof and dustproof.
Shell protection grade: IP54
Technical Parameter:
| Item | Unit | Data |
| Rated voltage feed | V | DC24/48 |
| Rated current feed | MA | ≤20 |
| Ringing voltage(2000,HZ) | V | ≤65 |
| Rining current | mA | ≤20 |
| Rining Upgrade | dB | ≥ |
| Material | ABS |
Closed cell conductive EPDM Rubber Sponge
-EMI/RFI Shielding
- Can be used as grounding applications
- Conduct electrons throughout the material
- Pressure Sealing at low pressure
- Most Economical material compare with silver coated elastomers
- Temperature Stability between -40°C to 125°C
- Nuclear Bio Chem Resistance
- Salt Fog Resistance
Applications:
Electronic devices, Cable box, Satellite Box, Cellphone, Network Routers, Semiconductor, Gaskets, Computer Enclosures, Hand Held Devices, Medical Diagnostic, and Analytical Equipment, Aerospace & Automotive, Electronic Systems.
EPDM
Rubber Sponge
Specification
Typical
Value
Compression
at 25% deflection (kPa):
35-65
49
Compression
deflection at 50% (kPa):
80-160
112
Density
(kg/m³):
120+/-20
134
Compression
set (50% 22H 20°C):
25% Max.
14.1%
Water
Absorption, max. change in weight (%):
10
0.6
Heat
ageing, change in compression deflection, 22hrs at 100°C:
+/-30%
PASS
Flammability:
FMVSS-302
PASS
Elongation
at break (%):
N/A
180
Tensile
strength (kN/m²):
N/A
>500
Temperature
range (low-high):
N/A
-40 to +70°C
High intermittent:
N/A
+100°C
Resistance
to Air and UV:
EXCELLENT
Resistance
to Oil:
POOR
Resistance
to Acids:
GOOD
Environmental
Protection:
CFC AND HFC FREE CAN
BE RECYCLED
SPECIFICATION DATA
Conductive Epdm,Rfid Conductive Epdm,Rfi Conductive Epdm,Anti Static Conductive Epdm
JINAN EMI SHIELDING TECHNOLOGY CO., LTD. , http://www.emirfi.com