Opti-Trace User’s Manual
Page
10
Procedure
Measure the blanking current
1.
Connect the Opti-Trace fluorometer to the Power Supply and Digital Multimeter
as shown below.
2.
Using a syringe, inject a sample of the de-ionized water through the Luer-Lock.
Measure the output current of the sensor (equal to the blank current). Note the
reading in Table 1 as indicated.
Black
Red
Green
Orange
DC Power Supply
12.00
.015
+
-
Common
A
20 mA
4.00
Multimeter
Opti-Trace
Fluorometer
Luer-
Lock
Desiccant
Plug
Figure 4: Connections for powering the Opti-Trace,
and reading the output current