Calibrating devices – Vaisala viewLinc 4.3 User Manual

Page 115

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Calibrating Devices

viewLinc 4.3

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(one Device alarm at a time), or Pause all alarming for a Host or a
Device.

Alternatively, you may want to deactivate a Device or a Host (all
monitoring and alarming is stopped). See “Removing Devices” on
page 108.

To disable or enable a Device alarm:

1

From the viewLinc desktop, select Options | System Configuration |
Locations Manager

, and use the Devices pane to locate and select a

Device.

2

On the Devices Options menu, select

Device |

 Device Alarm

Settings

, then select the Device alarm type you want to disable or

enable.

3

Deselect or Select the Enable Alarm check box.

4

Click Save.

Calibrating Devices

Calibration ensures that the data produced by the measurement
equipment (Loggers, Transmitters, Probes) is reliable and accurate.

For example, most people are used to adjusting their watches to the
correct time, whenever necessary. Working standards (clocks) are visible
and almost everywhere, and making a comparison–calibration–is easy. If
the time on the watch differs from the trusted reference, we make an
adjustment.

The measured data (the time) shown on the trusted reference (the clock)
can be can be relied upon as a reference point.

Use the following procedure when you need to update calibration values
for your Device (if it was calibrated by the Vaisala Calibration Services
team), or you are performing an onsite calibration.

Note: Only the calibration properties of HMT140 Wi-Fi Data Loggers

with RTD, voltage or mA channels can be edited in viewLinc.
Refer to the HMP110 User's Guide for information about cal-
ibrating HMP110 Humidity/Temperature probes.

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