Sphensor
–
User manual
LSI LASTEM SRL
INSTUM_04291
Pag. 27 / 32
7.2
PRMPA0423 sensors
Volatile Organic
Compound (VOC)
Measuring range
0 ÷ 1000 ppm
Resolution
0.2%
Accuracy
15% ethanol
Thermal drift
1.3%
Particulate matter
PM1. PM2.5, PM4
and PM10
Measuring range
0 ÷ 1000 µg/m
3
Precision
•
PM1 and PM2.5:
-
0 ÷ 100 µg/m
3
±10 µg/m
3
-
100 ÷ 1000 µg/m
3
±10% of the measured value
•
PM4 and PM10:
-
0 ÷ 100 µg/m
3
±25 µg/m
3
-
100 ÷ 1000 µg/m
3
±25% of the measured value
Thermal drift
-
0 ÷ 100 µg/m
3
±1.25 µg/m
3
/year
-
100 ÷ 1000 µg/m
3
±1.25% of the measured
value /year
Life time
24h/g > 10 years
Noise emission level
25 dB
Noise emission level
drift
+0.5 dB
CO
2
Measuring range
0 ÷ 5000 ppm
t
63
response time
-
140 s with the measured average
-
75 s with no average
Accuracy
<± (50 ppm + 3% of the measured value)
Typical temperature
influence
± (1+CO
2
[ppm]/1000) ppm/°C (-20 ± 45 °C)
Calibration
Every 5 years
Other features
Power supply
Battery
Rechargeable
Type
½ AA Li 3.6 V, format 10.3x34x50 mm, 2 Ah
Autonomy
About 2 days
External
Via Micro USB port
Radio
Type
2.4 GHz
Protocol
Thread/IPV6
Sampling rate
Settable
From 1 to 600 s depending on the type of measures (unique
for all configured measures). Default=1 minute
Transmission rate
Settable
On the basis of the sampling rate or only on the basis of mi-
nimum variation in the measured size.
Operating
temperature
-10 ÷ 60 °C
