Mine Intrinsically Safe Infrared Receiver
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Mine Intrinsically Safe Infrared Receiver
Safe explosion-proof, compliant and adaptable
Explosion-Proof Type
Mine Intrinsically Safe Type, marked as "Ex ib I Mb".
Model
It is designed strictly in accordance with the IECEx intrinsic safety standard, with an explosion-proof rating of Ex ia I Ma. It can be directly used in environments with high methane content and coal dust explosion hazards, without the need for additional explosion-proof enclosures. This completely resolves the compliance risks caused by the insufficient explosion-proof rating of traditional receivers, and meets the entry requirements for high-risk mining areas overseas.
Environmental Conditions for Use
The device shall operate normally under the following conditions:
a) Ambient temperature: 0°C to 40°C;
b) Average relative humidity: ≤95% RH (at 25°C);
c) Atmospheric pressure: 80 kPa to 106 kPa;
d) Environments in coal mines with risks of methane and coal dust explosions;
e) Locations without strong vibration or impact;
f) Locations without corrosive gases that damage metals or insulating materials;
g) Locations free from water dripping.
Main Technical Specifications
Power Supply
a) Operating voltage: DC 12V;
b) Operating current: ≤30mA;
Receiving Distance
(0 to 10) m.
Output Signal
Receives infrared signals from the transmitter and transmits high/low level signals to the host. High level ≥6V, low level ≤0.5V.
Weak signal capture, precise decoding
The Mine Intrinsically Safe Infrared Receiver is equipped with a highly sensitive photoelectric receiving chip, which can accurately capture weak infrared signals within the 500-1000nm wavelength range.
The receiving distance can reach up to 80 meters. Even in a highly interfered environment, it can quickly decode the signals and solve the problems of signal interruption and large decoding errors in weak signal reception.
Fault Analysis and Troubleshooting (See Table 1)
Table 1
|
Fault Phenomenon |
Possible Cause(s) |
Troubleshooting Method |
|
No output signal at K terminal |
1. Probes not aligned properly |
Realign probes |
|
2. Circuit board damp or water ingress |
Replace circuit board |
|
|
3. Receiver cable broken |
Repair or replace cable |
|
|
4. Receiver not powered |
Check and restore power supply |
|
|
K terminal continuously outputs low-level signal |
1.Transmission cable short-circuited or water ingress |
Check and rectify the issue |
Post-sale calibration, local empowerment
Mine Intrinsically Safe Infrared Receiver has set up special calibration service stations in the five major core regions overseas, providing 24-hour multilingual remote calibration guidance.
The core receiving components are always available in overseas warehouses, and cross-border delivery is ≤ 72 hours. At the same time, local calibration training and qualification certification services are also provided.
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