METIS M308 / M309 / M313 / M316 / M318 / M323 / H309 / H316 / H318 (12-pin)
Configuring the Pyrometer
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6.3.6 Temperature Sub Range
The temperature range can be scaled down in order to adapt it to specific measurement conditions
(minimum range 51°C), e.g. to configure the automatic clear function of the maximum value storage
(see 6.3.2).
6.3.7 Temperature Unit
The temperature display can optionally be displayed in °C or °F.
6.3.8 Analog Output
The 2 analog outputs can be set separately:
Depending on the connected devices to 0–20 mA or 4–20 mA
Analog output 1 always provides
- The measured temperature (the temperature displayed on the device and in the control window of
SensorTools; see 7.2.2 Control window).
(Note: With older firmware versions, the same settings are possible as at analog output 2. A firm-
ware update to the latest version eliminates this possibility and prevents, that the output of analog
output 1 is accidentally different to the displayed temperature signal. Firmware update see section
8).
Analog output 2 can be assigned to provide different signals:
- Measured temperature: Temperature of the device display or control window in SensorTools
- Device temperature: Internal device temperature output
- Control output: Manipulated variable on models with PID controller
- No output No signal is on the output
6.3.9 Test Current
On the device itself and via software a test current can be set to the output. Via software this current is
adjustable, on the pyrometer the current is fixed to 10 mA (at 0–20 mA) or 12 mA (at 4–20 mA).
6.3.10 Upscale-Burnout (only via software SensorTools)
In case of sudden shadowing of the pyrometer’s visual field, the output current is set to 20 mA instead
of usually the lowest.
Disabled Upscale-burnout (standard): The analog output at sudden shadowing of the pyrometer’s
view field is the lowest current (0 or 4 mA).
With enabled upscale-burnout function, the analog output at sudden shadowing of the pyrometer’s
view field is set to the maximum current of 20 mA. This can be desirable, for example, in a furnace
monitoring when the controller otherwise would recognize a cold oven and heat up fully and possibly
burn out the oven.
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