Hach HQ40d Basic User Manual

Error/Warning Description Solution
Connect a Probe Probe disconnected
or connected
improperly
Tighten the locking nut on the
probe connector.
Disconnect the probe and then
connect the probe again
Software not
updated to most
current version
To download the most current
version of the software, refer to
the applicable product page on
the manufacturer's website.
Problem with probe Connect a different IntelliCAL
probe to verify if problem is with
probe or meter
Probe Not Supported Probe disconnected
or connected
improperly
Tighten the locking nut on the
probe connector.
Disconnect the probe and then
connect the probe again.
Software not
updated to most
current version
To download the most current
version of the software, refer to
the applicable product page on
the manufacturer's website.
Problem with probe Connect a different IntelliCAL
probe to the meter to verify if
problem is with the meter or the
probe.
HQd meter does not
support IntelliCAL
probe
Contact Technical Support.
Bootloader
X.X.XX.XX error
Software not
updated to most
current version.
To download the most current
version of the software, refer to
the applicable product page on
the manufacturer's website.
Error/Warning Description Solution
0 days remaining
message (For LDO
and LBOD only)
LDO or LBOD
sensor cap used for
365 days
Replace the LDO or LBOD
sensor cap and iButton
®
.
There are 0 days
remaining in the life
of the LDO sensor
cap.
Replace the LDO sensor cap.
Calibration will be allowed.
However, the calibration icon
and question mark will appear on
the measurement screen even if
the calibration has passed.
Meter set to
incorrect date and
time
1. Disconnect the probe from
the meter.
2. Remove the meter batteries.
3. Install the meter batteries
properly. Follow the polarity
makings.
4. Set correct date and time in
the meter.
5. Connect the probe and verify
that message has been
removed.
Software not
updated to most
current version
To download the most current
version of the software, refer to
the applicable product page on
the manufacturer's website.
Meter not configured Software error(s) If the meter starts up correctly,
back up the Data Log and
Method files.
To download the most current
version of the software, refer to
the applicable product page on
the manufacturer's website.
16 English

Hach HQ40d Specifications

General

Resolution	0.1 °C
Connectivity	USB
Storage Temperature	-20 to 60 °C
Waterproof Rating	IP67
Display	LCD with backlight
Measurement Parameters	pH, Conductivity, Dissolved Oxygen, ORP
mV Range	-1999 to 1999 mV
Conductivity Range	0.01 µS/cm to 200 mS/cm
Temperature Range	-10 to 110 °C
Data Logging	500 data points
Power Supply	4 AA batteries
Accuracy	±0.1 °C
Operating Temperature	0 - 50 °C (32 - 122 °F)