User Manual EE895
Miniature Sensor Module for CO
2
, Temperature and Barometric Pressure | 22
Temperature (T)
Measuring range
-40…60 °C (-40...140 °F)
Accuracy
@ 24 V DC, 20 °C (68 °F)
±0,5 °C (±0.9 °F)
General
Digital interface
(pin-selectable)
I²C
UART
Up to 100 kbit/s
9 600 Baud, 8 bits, no parity, 1 stop bit
Module control
Enable pin
Data ready pin
Continuous operation / power down
Indication of valid data
Supply voltage
3.3 - 5 V DC ± 5 %
Average current consumption
, typ.
for supply voltage 5 V
1.6 mA at 15 s sampling interval
196 µA at 1 h sampling interval with standby between measurements
8 µA at 1h sampling interval with power down between measurements
Current profile CO
2
typical values for supply voltage 5 V
0
IR Lamp pulse
Standby / power off
6 mA
67 mA
188
μ
A
300 ms
300 ms
Idle
Measurement
Sampling intervall 15 s (configurable 10 s ... 1 h)
Electrical connection
Side plated contacts and solder pads, Ø 1 mm (0.04")
Working and storage conditions
-40...60 °C (-40...140 °F)
0...95 %RH (non-condensing)
700...1 100 mbar (10...16 psi)
