Thermo Scientific
imPULSE S.U.M. with Touchscreen Console User’s Guide
|
101
Chapter 4
|
Calibration procedures
a. Choose to either empty the beaker/graduated cylinder and zero
the scale after each calibration point, or fill the beaker/graduated
cylinder and do not zero the scale after each calibration point.
b. Set up an empty beaker/graduated cylinder and a scale. Tare
the scale to ensure that only the weight of the fluid is being
measured, and not the weight of the fluid and the beaker. Touch
Next
.
c. Touch
Deliver Bolus
to deliver a bolus into the beaker/
graduated cylinder. For each calibration point, the pump will
run at a different percentage of the available RPM output range
(from low to high limits) for a different length of time.
d. After the bolus is delivered, the screen will say “Delivery
Complete.” Touch
Next
. Enter the total amount of fluid pumped
during the calibration point (1, 2, 3, or 4), and touch
Calibrate
.
The screen for the next calibration point will appear.
6. After all four calibration points have been completed, touch
Done
in
the lower right corner of the screen to return to the Pump Settings
screen.
4.2 Calibrating pH
1. Touch the top of the pH module on the Touchscreen Console
Home screen to open the pH Settings screen. Touch
Calibration
.
2. First, select the pH sensor you would like to calibrate. Then, choose
the type of calibration you would like to use by touching either
Enter slope and offset
,
Offset calibration
,
2-point
, or
3-point
.
3. Follow the steps below for slope and offset calibration:
a. After touching
Enter slope and offset
, a screen will appear
prompting you to enter the slope (pH/mV) and offset (mV).
b. Touch
Done
in the lower right corner of the screen to return to
the pH Settings screen.
4. Follow the steps below for offset calibration:
a. After touching
Offset Calibration
, a screen will appear
displaying the stabilizing pH sensor value for Calibration Point 1.
