45
10. Specifications
Explosion proof specifications
■
Gas detector
Model XP-302M-R
Type of protection
Ex ibd IIB T3 X
This product is an intrinsically safe device as a whole (ib) and
uses a combustible gas sensor which employs a flameproof
enclosure.
Degree of protection (IP code)
IP20
Rating
Electrical parameters
Power source: 3.0 VDC, 0.35 A (Panasonic alkaline AA battery
(LR6) x 4 pcs)
Combustible gas sensor: 2.5 VDC, 0.13 A
IS max. input voltage (Ui):
10 V
IS max. input current (Ii):
12 mA
IS max. input power (Pi):
100 mW
IS max. Internal capacitance (Ci): Negligible value
IS max. Internal inductance (Li): Negligible value
Ambient temperature
-20 to 40ºC
■
Alarm unit (Optional)
Model AL-302M-R-8
Type of protection
Ex ib IIB T3 Intrinsically safe (ib)
Degree of protection (IP code)
IP20
Rating
Electrical parameters
Power source: 3.0 VDC, 0.2 A (Panasonic alkaline AA battery
(LR6) x 2 pcs)
IS max. output voltage (Uo):
4.7 V
IS max. output current (Io):
7.6 mA
IS max. output power (Po):
8.9 mW
IS max. external capacitance (Co): 60
μ
F
IS max. external inductance (Lo): 300 mH
Ambient temperature
-20 to 40ºC
44
10. Specifications
Functions
・
Gas concentration display format switching
Standard display: 3 or 4 numeric gas concentrations with their bar graphs,
temperature, date and time simultaneously displayed.
Trend graph display: The last 54 peak values in trend graph for 3 or 4
gases.
Text display: 3 or 4 gases in chemical symbol, temperature, date and time
simultaneously displayed.
・
Zero adjustment (automatically performed on all gas sensors when the unit
turns on. 21% adjustment is done for oxygen sensor.
・
Peak hold: Peak concentration values can be displayed. For oxygen, its
lowest peak value is displayed.
・
Audio alarm stop: Alarm sound can be muted with the BZ.STOP button.
・
Automatic backlight: Backlight is turned on/off by light sensor.
・
Audio volume adjustment: Alarm volume and button operation tone can be
adjusted.
・
Alarm test: Function test on audio alarm and alarm light.
・
Data logging: Date and time, 3 or 4 gas concentrations, and temperature
can be recorded at a preset interval. E.g. 150-hour data logging is possible
when the log interval is set to 30 sec.
Dimensions
Approx. (W) 152 × (H) 152 × (D) 42mm (excluding protrusions, without case)
Mass
Approx. 870g (main body only, without case)
*1: Under an identical measurement condition.
*2: Time taken to reach 90% of the gas concentration applied to the tip of gas sampling tube at 20±2ºC
*3: The time varies according to the circumstances, condition of use, storage period, battery manufacturer, etc.
■ Alarm unit (Optional)
Model AL-302M-R-8
Alarm method
Chirping alarm, flashing green light (operation light) or flashing red light (gas
alarm light)
Alarms
・
1
st
/2
nd
stage gas alarm: Flashing red light and chirping/rapid chirping alarm
・
Communication error: Flashing green light and 2-repeating beeps (5 min)
・
Detector fault/error : Flashing green light and 2-repeating beeps
・
Replace-battery: Flashing green light and pulse beeps (10 sec)
・
Battery empty alarm: Green light off and steady tone (5 min)
Operating
temperature and
humidity range
-10 to 40ºC, 0 to 95%RH (No condensation)
Structure/approvals Drip proof: IP22. For explosion proof specs, refer to page 45.
Power source
Panasonic alkaline AA battery (LR6) x 2 pcs
Continuous
operation time
*1
Approx. 70 hours at 20ºC with no alarm activated
Communication
cable length
8 m
Dimensions
Approx. (W) 65 × (H) 119 × (D) 23mm (excluding protrusions, without case)
Mass
Approx. 280g
*1: The time varies according to the circumstances, condition of use, storage period, battery manufacturer, etc.