MSA DF-8500 - Cable Lengths and Cross-Sections (Meter); Major Technical Parameters of the Detector; Technical Data

DF-8500 Gas Detector
6 Technical Data
6.1
Major technical parameters of the detector
6.2
Cable Lengths and Cross-sections (Meter)
Note: The above data are for reference only. There are many factors
affecting the transmission distance in the field, such as the quality
of
power supply and transmission cable and so on, which makes the
data in the field different from those in the table.
55
Power mode
w/o audible and visual alarm
With audible and visual alarm
(AF5000, active mode)
1.0mm²
cable
1.5mm²
cable
2.5mm²
cable
1.0mm²
cable
1.5mm²
cable
2.5mm²
cable
DC 24V 3000 4500 7500 950 1400 2400
Detected gas Methane
Enclosure
Aluminium enclosure
Explosion-proof
Protection level: IP 67(not including the sensor)
Dimensions, mm
(height × width × depth)
Approximately 275X125X106
Explosion-proof sign
Ex d ia [ia Ga] IIC T6 Gb
；
Ex tD A21 IP66/IP67 T80
℃
Weight
Appr. 2 kgs (not including packing)
Humidity
5% to 95% RH, non-condensation
Power source
(16.0~34.0) V
Power consumption
1.5W (not including the audible and visual alarm)
Temperature range (Instrument)
Temperature range (Sensor)
(-40~+70) ℃
See sensor tags
Output signal (4~20)mA
Relay
Two alarm relays (energized or de-energized)
Fault relay(energized)
Pressure
(80~120)kPa
Maximum load resistance
300 Ohm
Air flow rate
(0~6) m/s
Relay contact capacity
DC 30V, 2A