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5

INSTALLATION

2.2  CONNECT TO METER ZENTRA SERIES LOGGER

The Apogee Quantum sensor is preconfigured by METER and works seamlessly with METER 
ZENTRA series data loggers. The sensor comes with a 3.5-mm stereo plug connector 
(

Figure 3

) to facilitate easy connection with the data loggers. Apogee sensors come standard 

with a 5-m cable. 

Ground
Digital 
communication (orange)
Power (brown)

Figure 3  3.5-mm stereo plug connector wiring

Check the METER download webpage for the most recent data logger firmware. Logger 
configuration may be done using either ZENTRA Utility (desktop and mobile application) or 
ZENTRA Cloud (web-based application for cell-enabled ZENTRA data loggers).
1.  Plug the stereo plug connector into one of the sensor ports on the logger (

Figure 4

).

Port 1

Port 2

Port 3

Port 4 

Port 5

Port 6

TEST

OK

ERROR 

(-)

(-)

(-)

(-)

(-)

(+)

(-)

(+)

(+)

(+)

(+)

(+)

Conduit

Figure 4  Logger connection

2.  Connect to the data logger via ZENTRA Utility with a laptop and USB cable or ZENTRA 

Utility Mobile app with a mobile device supporting Bluetooth

®

 communication.

3.  Use ZENTRA Utility to scan the ports and make sure the sensors were properly identified 

by the logger and are reading properly.
METER data loggers should automatically recognize the Apogee sensor.

4.  Use ZENTRA Utility to set the measurement interval.
5.  Use ZENTRA Utility to configure communication settings for data transfer to ZENTRA Cloud.

Sensor data can be downloaded from METER data loggers using either ZENTRA Utility or 
ZENTRA Cloud. Refer to the logger user manual for more information.

Summary of Contents for APOGEE SQ-521

Page 1: ...APOGEE QUANTUM SENSOR...

Page 2: ...CONTENTS 1 Introduction 2 2 Installation 2 2 1 Set Up Mounting Assembly 4 2 2 Connect to METER ZENTRA Series Logger 5 3 Data Interpretation 6 4 Troubleshooting 6 5 Customer Support 7 Index 8 18474 01...

Page 3: ...p a g e e I N S T R U M E N T S Made in USA...

Page 4: ...data loggers Details of how the ZENTRA system handles the data are also included Please read this document carefully in its entirety before going out to the field For more information on the Apogee Fu...

Page 5: ...rd true North in the Northern hemisphere or true South in the Southern hemisphere to reduce azimuth error Secure the System Tighten the U bolt nuts by hand until hand tight and then tighten with a wre...

Page 6: ...the sensor M8 connector holes and seat connectors fully 2 Tighten the cable screw until hand tight Figure 1 M8 connectors are easy to overtighten Do not use pliers or other tools to tighten this conn...

Page 7: ...TRA data loggers 1 Plug the stereo plug connector into one of the sensor ports on the logger Figure 4 Port 1 Port 2 Port 3 Port 4 Port 5 Port 6 TEST OK ERROR Conduit Figure 4 Logger connection 2 Conne...

Page 8: ...t responding Check power to the sensor and logger Check sensor cable and stereo plug connector integrity Check that the SDI 12 address of the sensor is 0 factory default Check this with ZENTRA Utility...

Page 9: ...600 Fax 1 509 332 5158 Website metergroup com EUROPE Customer support representatives are available for questions problems or feedback Monday through Friday 8 00 to 17 00 Central European time Email s...

Page 10: ...tallation 2 3 mounting 3 preparation 3 tools needed 2 M mounting 3 mounting bracket 2 4 P photosynthetic photon flux density 2 3 4 6 Q Quantum sensor 2 4 6 R recalibration 6 S stereo plug connector 5...

Page 11: ...ins Court Pullman WA 99163 T 1 509 332 2756 F 1 509 332 5158 E info metergroup com W metergroup com METER Group AG Mettlacher Stra e 8 81379 M nchen T 49 89 1266520 F 49 89 12665220 E info europe mete...

Page 12: ......

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