E+E Elektronik EE871 Manuale utente
The E+E CO2probe EE871 is designed for use in harsh, demanding applications. It incorporates the dual wavelength NDIR CO2
sensor, which compensates for ageing effects, is highly insensitive to pollution and stands for outstanding long term stability.
A multiple point CO2and temperature factory adjustment leads to excellent CO2measurement accuracy over the entire
temperature working range.
The measured data range of up to 10 000 ppm CO2is available on E2 digital interface.
For use in special applications do not hesitate to contact E+E Elektronik or a local distributor.
GENERAL
USER GUIDE
EE871 – CO2Sensing Probe for the EE240 Wireless Sensor Network
• The device shall not be exposed to extreme mechanical stress. The sensing head and mostly the sensing cell might not be
exposed to any mechanical stress.
Probe
Filter cap
CO2Sensing cell
Sensing head
• The device must be operated with the filter cap on at all times. Do not touch the sensing cell or electronics inside the sensing
head.
• A long response time indicates a dirty filter cap, as it might happen in polluted applications. Do not attempt to clean the filter
cap; it would only cause its clogging. Replace the filter cap by an E+E original one, order no. HA010116.
• While replacing the filter cap take utmost care to not touch the sensing cell and the electronics.
• This device is not appropriate for safety, emergency stop or other critical applications where device malfunction or failure
could cause injury to human beings.
CAUTION
CONNECTION DIAGRAM DIMENSIONS mm (inch)
96 (3.78)
18.5 (0.73)
M12x1
Weight: 30 g (1.06 oz)
E2
1... GND
2... +UB
3... DATA
4... CLOCK
E2
GND brown
+UB white
DATA blue
CLOCK black
Shielding grey
Important note:
The manufacturer cannot be held responsible for personal injuries or damage to property as a result of incorrect
handling, installation, wiring, power supply and maintenance of the device.
(Modification rights reserved)
TECHNICAL DATA
For communication with EE871 via E2 interface please see the support literature at www.epluse.com/ee240.
E2 INTERFACE
Measurands
CO2
Measurement principle Dual wavelength (non-dispersive infrared technology) NDIR
Measuring range 0...2 000 ppm: < ± (50 ppm + 2 % from the measured value)
Accuracy at 25 °C 0...5 000 ppm: < ± (50 ppm + 3 % from the measured value)
and 1 013 mbar1) (77 °F...14,69 psi) 0...10 000 ppm: < ± (100 ppm + 5 % from the measured value)
Response time t63 105 s with measured data averaging (smooth output)
60 s without measured data averaging
Temperature dependency 0...2 000 ppm:
(-20...45 °C) (-4...113 °F) 0...5 000 ppm: typ. ± (1 + CO2concentration [ppm] / 1 000) ppm/°C
0...10 000 ppm:
Transmission interval Adjustable from 1 s to 1 h by the EE242 base station
General
Digital interface E2 (details: www.epluse.com)
Power supply class III 2) 4.75 - 7.5 V DC
Average current consumption3) 120 µA (at 1 h transmission interval)...4.3 mA (at 15 sec. transmission interval)
Current peak, max. 350 mA for 0.05 s
Enclosure / protection rating Polycarbonate (PC) / enclosure IP65
Filter cap PTFE
Electrical connection Connector M12x1
Cable length, max. 10 m (32.8 ft)
Electromagnetic compatibility EN 61326-1
(Industrial enviroment) EN 61326-2-3
Operating conditions -40...60 °C (-40...140 °F) 0...100 %RH (non-condensing) 85...110 kPa (12.33...15.95 psi)
Storage conditions -40...60 °C (-40...140 °F) 0...100 %RH (non-condensing) 70...110 kPa (10.15...15.95 psi)
1) For averaging output
2) USA & Canada class 2 supply required, max. supply voltage 30 V DC
3) The average current consumption depends on the measurement interval
For outdoor applications EE871 must be used with the radiation shield order no. HA010507, which protects the device
against rain, snow, ice, and solar radiation.
OPERATION OUTDOORS
94
44
174
Ø105
122
W
20 Ø5
SCOPE OF SUPPLY
Mounting flange HA010212
Connecting cable M12 - flying leads (1.5 m (59.06") / 5 m (196.85") / 10 m (393.70"))HA010819/20/21
PTFE filter cap HA010116
Radiation shield HA010507
Protection cap for the M12 cable socket HA010781
Protection cap for the M12 plug of EE871 HA010782
REPLACEMENT PARTS / ACCESSORIES
For further information, see data sheet „Accessories“
- EE871 probe according to ordering guide
- Test report according to DIN EN 10204-2.2
USA
FCC notice:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the installation manual, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which thereceiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
CANADIAN
ICES-003 Issue 5:
CAN ICES-3 B / NMB-3 B
INFORMATION +43 7235 605 0 / [email protected]
Langwiesen 7 • 4209 Engerwitzdorf • Austria
Tel: +43 7235 605-0 • Fax: +43 7235 605-8
LG Linz Fn 165761 t • VAT-No. ATU44043101
Place of Jurisdiction: 4020 Linz • DVR0962759 BA_EE871 // v1.5 // Modification rights reserved
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