6109A/7109A
Operators Manual
28
Control the Bath Temperature with a Reference Probe
The 7109A-P and 6109A-P allow measurements from the reference probe to be
used to control the fluid temperature with more accuracy. Set up the reference as
explained in
Configure the Reference Probe Coefficients
.
1. Push
.
2. Push
(
Operation
).
3. Push
several times to move the highlight to Control Sensor.
4. Push
to switch the value to Reference.
5. Push
to view the control temperature.
When the reference probe controls temperature, the display shows the fluid
temperature in gray and the Reference temperature in black.
When the reference probe is used, the settling time and temperature variation
may be slightly greater.
Keyboard Use
Use the keyboard to enter or change filename characters. To use the keyboard:
1. Use the direction keys to choose a letter.
2. Push
to add the letter to the filename.
3. Repeat until the filename is complete. Push
(
Backspace
) to delete a
letter.
Recording Temperature
The recording function stores temperature readings in a file on a USB memory
device. To use this device:
1. Insert a Linux-compatible, FAT32-formatted memory device into the USB
host port on the front panel.
2. Wait for the device to be recognized.
3. Push
.
4. Push
(
Recording
).
5. Push
(
Filename
).
6. Push
to specify the filename.
7. Push
(
Save
) to save the filename. See
Keyboard Use
.
8. Push
(
Start Recording
) to record temperature. Observe that the
recording icon shows at the top of the display.
9. Push
(
Stop Recording
) to stop recording.
10. Wait at least 5 seconds after you stop recording before you remove the USB
memory device. This allows time for all the data to be written and the file
closed.
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