Hach CD300, Руководство пользователя

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Operation
Configure the controller
1. Push Options in the navigation bar to set the general settings, measurements and cleaning
intervals.
2. Select an option.
Option Description
General settings Selects the language. Sets the system time. Shows the system status and contact
information.
Measurement &
Cleaning Select the box "Measurement" to enable an automatic measurement and set a
measurement interval. Measurement interval: 30 seconds to 1 day (default: 2 minutes)
Select the box "Sensor power down after measurement" to save power.
Push
Trigger now to measure a single sample.
Select the box "Cleaning" to enable the cleaning and set the parameters that follow:
• Active: on
• Cleaning interval: 30 seconds to 6 hours (default: 15 minutes)
• Cleaning duration: 5 to 20 seconds (default: 10 seconds)
• Pause before measurement: 5 seconds to 5 minutes (default: 5 seconds)
Measurement
interval Cleaning
interval Cleaning time Pause before
measurement
Minimum 30 seconds 30 seconds 5 seconds 5 seconds
Typical 2 minutes 15 minutes 10 seconds 5 seconds
Maximum 1 day 6 hours 20 seconds 5 minutes
To start a cleaning immediately, push Clean now .
Relais & Buzzer Select the box to enable the relay control and set the parameters that follow:
• Active: on
• Select the parameter
• Action level: Sets the measurement range in which the relay operates.
• Upper level: Sets an alarm to occur when the measurement is higher than the set
point value.
• Lower level: Sets an alarm to occur when the measurement is lower than the set point
value.
The buzzer is a local signal of the instrument. Select the box to enable the instrument
buzzer and set the parameters that follow:
• Active: on
• Select the parameter
• Action level: Sets the measurement range in which the buzzer operates.
• Upper level: Sets the buzzer to occur when the measurement is higher than the set
point value.
• Lower level: Sets the buzzer to occur when the measurement is lower than the set
point value.
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