Thermo Scientific Orion 310, Instruction Manual

Page: 39 / 81

35
PerpHecT ® Orion 310, 320, 330 Instruction Manual
Chapter XII
Orion 320 Other Measurement
A. mV/ORP Measurement Orion 320
1. Use the MODE key to select mV mode.
2. Connect ORP electrode to meter input.
3. Place electrode in sample. When reading stabilizes, record value.
B. Orion 320 Temperature Compensation
(Manual and Automatic)
1. Use an ATC probe (Orion 927005 or Orion 927006) for automatic
temperature compensation. Disable the LogR function in the Setup
mode.
2. Attach ATC probe to 3.5 mm phone jack on rear panel of the
meter. See Figure 4 .
3. For manual temperature compensation, disconnect the ATC probe.
Manual temperature may only be set when the LogR function is
disabled and there is no ATC probe connected.
Use the SCROLL (
▲
,
▼
) keys in MEASURE mode to manually
set the temperature value. Temperature will be displayed in the
temperature field. This temperature will now be used to calculate
temperature-corrected pH values.
4. To return to ATC mode, attach the ATC probe to the ATC jack
(see Figure 4 ). Temperature compensation will now be automatic.
Orion 320 Other Measurement Modes