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Section 2 Specifications
2.1 Sensor descriptions
ORBISPHERE K1100 sensor
The high accuracy K1100 sensor is a luminescent sensor measuring dissolved oxygen, and has
been optimized specifically for measurements in water processes in the power industry.
ORBISPHERE M1100 sensor
The high accuracy M1100 sensor is a luminescent sensor measuring dissolved oxygen, and has
been optimized specifically for measurements in beer processes in the beverage industry.
2.2 Technical data
Controller
Enclosure ratings
IP 65
Totally protected against dust.
Protected against low pressure jets of water from all directions.
NEMA4X (wall mount only)
Totally protected against dust.
Protected against pressure jets of water from all directions.
WARNING
Enclosure rating does not apply to external power supply for benchtop
instruments.
Certifications
CE compliance: EMC Directive, LVD Directive
Safety rating
ETL, conforming to UL 61010-1 and
CSA 22.2 No. 61010-1
Analog current output version on
the measurement board
4-20 mA (default) or 0-20 mA (configuration with software)
3 configurable outputs
Maximum load: 500 ohm
Sensitivity: 20µA
Accuracy: ± 0.5% (between operating temperature limits)
Analog voltage output version on
the measurement board
0- 5 V output (hardware option)
3 configurable outputs
Minimum load: 10 KOhm
Sensitivity: 5 mV
Accuracy: ± 0.5% (between operating temperature limits)
Measurement alarm relays on the
measurement board
Three alarm relays 1A-30 VAC or 0.5A-50 VDC on a resistance load
Configurable to Normally Open [NO] or Normally Closed [NC] contacts by changing the
jumper positions.
WARNING
Potential Electrocution Hazard. Connect only safety low voltage < 33 VAC RMS.
System alarm relay on the main
board
One "instrument system alarm" relay per instrument
1A-30 VAC or 0.5A-50 VDC on a resistance load
Normally closed [NC] (NO relay also available) when instrument is turned on. Opens when
a system alarm is detected, and when it does not receive any signal.
WARNING
Potential Electrocution Hazard. Connect only safety low voltage < 33 VAC RMS.
Digital communication
RS485
Profibus DP (optional)
Ethernet
USB-host to download data with a USB memory stick
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