Temperature Calibration; Exit Calibration Procedure; Change Calibration Options - Hach 3700 Serie Manual Básico Del Usuario

13. On the New Sensor screen, select whether the sensor is new:
Option Description
Yes The sensor was not calibrated previously with this controller. The days of operation and previous
calibration curves for the sensor are reset.
No The sensor was calibrated previously with this controller.
14. Return the sensor to the process and push ENTER.
The output signal returns to the active state and the measured sample value is shown on the
measure screen.
Note: If the output mode is set to hold or transfer, select the delay time when the outputs return to the active
state.

6.4.5 Temperature calibration

The instrument is calibrated at the factory for accurate temperature measurement. The temperature
can be calibrated to increase accuracy.
1. Put the sensor in a container of water.
2. Measure the temperature of the water with an accurate thermometer or independent instrument.
3. Push the MENU key and select Sensor Setup, [Select Sensor], Calibrate.
4. Select 1 PT Temp Cal (or Temp Adjust) and push ENTER.
5. For the sc100 controller, select Measured Temp and push ENTER. The measured temperature
show.
6. For the sc100 controller, if the measured value shown is not the same as the value shown on the
thermometer, adjust the temperature value shown. Select Edit Temp and push ENTER.
7. For the sc100 controller, go to step 10.
8. Wait for the value to stabilize and push ENTER.
9. Enter the exact value and push ENTER.
10. Return the sensor to the process and push ENTER.

6.4.6 Exit calibration procedure

1. To exit a calibration, push back.
2. Select an option.
Option Description
ABORT Stop the calibration. A new calibration must start from the beginning.
BACK TO CAL Return to the calibration.
LEAVE Exit the calibration temporarily. Access to other menus is allowed. A calibration for a second
sensor (if present) can be started. To return to the calibration, push menu and select
SENSOR SETUP > [Select Sensor].

6.4.7 Change calibration options

The user can set a reminder or include an operator ID with calibration data from the CAL OPTIONS
menu.
Note: This procedure is not applicable to the sc100 controller.
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