Hach HQ11d User Manual

Also see for HQ11d: Basic user manual

Hach HQ11d User Manual Manual pdf 24 page image

Interval measurements are suspended for calibrations, check standardmeasurements or when the key is pushed. Interval measurementsresume when returning to the measurement screen.1. From the Main Measurement screen, select Start to begin intervalmeasurements. The screen will show “Recording” and the remainingtime of the duration. The sample number automatically advanceswhen each reading is taken.2. To stop interval measurements, select Stop.3. To repeat the interval measurement after it has been stopped orcompleted, select Start.Prevent data log overflow in interval modeWhen measurements are taken at specified intervals (Table 4), eachresult is automatically stored. The meter can store up to 500 datarecords. When 500 records have been stored, data is replaced on a first-in, first-out basis. To prevent loss of data, connect the meter to aPC/printer/USB storage device.Note: Stop interval measurements before changes are made to a method or tometer settings.Table 4 Recommended interval/duration pairsInterval Duration10 seconds 1 hour30 seconds 4 hours1 minute 8 hours5 minutes 24 hoursNote: When 2 probes are connected to the meter, use the next lowestrecommended duration time. For example, for a 30-second interval, set theduration to 1 hour to prevent data log overload with 2 probes.View instrument informationThe instrument information menu shows specific information such as theserial number for the meter or IntelliCAL (R) probe(s).1. Push the key and select Instrument Information.2. Select (Probe model) Information or Meter Information.Option DescriptionProbeinformationThe Probe Information screen shows the probe modelnumber, serial number, software version and date of firstuse. For LDO and LBOD probes, the lot code for thesensor cap and the remaining time before sensor capreplacement is shown.Note: A probe must be connected to the meter.MeterinformationThe Meter Information screen shows the meter modelnumber, serial number, software version and memoryinformation. The amount of memory used and the numberof available user method settings, operator IDs and sampleIDs is shown.Update the meter softwareA USB storage device that contains software update files is used toupdate the meter software.Note: The meter must be turned off and then on again before the software updatewill begin. The software update initiates upon meter startup after the USB device iscorrectly inserted.N O T I C EDo not remove the USB device until the “Update complete” message is shown.The meter can become damaged if the USB device is removed before the updateprocess is complete.1. Save stored data from the data log to a USB storage device or to aPC. Refer to Send data to a USB storage device on page 15 andSend data directly to a computer on page 18.2. Turn off the meter.3. Connect the USB/DC adapter, AC-DC power supply and cord (Figure 4 on page 9).22 English