Product components, Installation, Connect to ac power – Hach-Lange HQ411D Basic User Manual User Manual
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Figure 1 Product overview
1 ON/OFF: turn on or turn off the
meter
4 DC power connector
2 Probe connection port (HQ440d
model)
5 USB connector type A (for USB
storage device, printer and
keyboard)
3 USB connector type B (for PC
connections)
6 Probe connection port
Product components
Refer to
to make sure that all components have been received.
If any items are missing or damaged, contact the manufacturer or a
sales representative immediately.
Figure 2 Meter components
1 HQ440d, HQ430d or HQ411d
meter
3 Universal power adapter
2 AA batteries (pk/4)
4 USB cable (HQ440d, HQ430d
models only)
Installation
C A U T I O N
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.
Connect to AC power
D A N G E R
Electrocution Hazard. AC power outlets in wet or potentially wet
locations MUST ALWAYS be provided with a Ground Fault Circuit
Interrupting (GFCI/GFI) circuit breaker. The AC-DC power adapter for
this product is not sealed and must not be used on wet benches or in
wet locations without GFCI protection.
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