Toshiba LF600F - Manual (Page 94)

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8.2.21 Count Rate (Pulse Rate), Pulse Width Setting Mode, Pulse Width
You can set the volume (count rate) per count (pulse) for when the total count is output and the
pulse width for when the total pulse is output to the external.
Total count output is not affected by the display setting but it is preferable to set total display
for the main display setting or sub display setting, for checking the operation status.
You can switch between the count rate, pulse width setting mode and pulse width by the setting item
number.
Count rate COUNT RATE
Pulse width setting mode PLS MODE
Pulse width PLS WIDTH
The count rate must be set so that the pulse output at 100% output will be within a range of 3.6 to
36000000 pulse/h (0.001 to 10000 pulse/s). If you set a value out of this range, an error message
OVER SPEC* or *LOW OVER SPEC*
is displayed and the value changes to the one before change. Set a value once again.
Note: Count rate setting range
Example When the range is 3600m^/h (ImVs)
Since the minimum value is 36000000 pulse/h,
3600(m^/h) / 36000000(pulse/h) = 0.000 Im^ = 0 . \ £ .
Since the maximum value is 3.6 pulse/h,
3600(m^/h)/3.6(pulse/h)= 1000ml
The pulse width must be set to a value within a range of 0.3ms to 500ms. If you set a value
exceeding 500 ms, the value is forcibly changed to 500ms.
The pulse width must be one half of the 100% output pulse frequency. If a value exceeding the
limit, regardless of the limit described in the section above, an error message
* HIGH OVER SPEC *
is displayed and the value returns to the one before change. Set a value once again.
If the pulse width is set to 0, it is automatically set to one half of the pulse frequency at 100%
output. However, if the calculation result exceeds 100ms, it is forcibly set to 100ms.
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