2.2 Basic Features and Options
• CO
2
measurement range 0 ... 10 000 ppmCO
2
.
• Measurement up to 30 000 ppmCO
2
with reduced accuracy.
• Operating temperature range -40 … +60 °C (-40 … +140 °F).
• Vaisala CARBOCAPâ CO
2
sensor with excellent long-term stability.
• Measurement compensated for eects of temperature, pressure, and background gas.
The temperature compensation can be based on an integrated temperature sensor or
use a set temperature. Pressure and background gas parameters can be set to the
probe.
• Heating to avoid condensation on optical elements.
• Digital output with RS-485:
• Modbus RTU
• Vaisala Industrial Protocol
• Analog output:
• Current output (0 ... 20 mA or 4 ... 20 mA)
• Voltage output (0 ... 5 V or 0 … 10 V)
• Can be used as a stand-alone probe or with Vaisala Indigo transmitters.
• Can be connected to Vaisala Insight software for
configuration, diagnostics, and
temporary online monitoring.
• Compatible with MI70 hand-held meter.
• Easy plug-in, plug-out.
More Information
‣
GMP252
Specifications (page 103)
‣
Operating Principle of CO2 Measurement (page 14)
‣
Environmental Compensation (page 15)
‣
Vaisala Industrial Protocol Overview (page 27)
‣
Modbus (page 59)
‣
Overview of MI70 Support (page 85)
2.2.1
Connectivity to Vaisala Insight Software
The probe can be connected to Vaisala Insight software using a Vaisala USB cable (no.
242659). With the Insight software, you can:
• Calibrate and adjust the measurement.
• See device information and status.
• See real-time measurement.
•
Configure serial communication settings, purge settings, filtering factor, and analog
output parameters and scaling.
More Information
‣
Connecting to Insight Software (page 61)
GMP252 User Guide M211897EN-D
12
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