Hanna Instruments HI 83742 - Manual (Page 8)

8
DISPLAY ELEMENTS DESCRIPTION
1) Four digit main display.
2) Battery icon: appears when the battery voltage is getting low.
3) The hourglass icon: appears during the countdown.
4) Status information.
5) Measurement unit.
6) Lamp status indicator.
7) Four digit secondary display.
1) Lid
2) Cuvet Holder
3) Liquid Crystal Display (LCD)
4) ON/OFF key, to turn the meter on and off
5) ZERO key, to zero the meter
6) RANGE key, to select parameter
7) READ/TIMER key, to perform measurement
8) Power Socket 12V to 20V DC 2.5 Watt
FUNCTIONAL DESCRIPTION
FRONT
REAR
INSTRUMENT DESCRIPTION
21
• Add 6 drops of HI 83742B-0 Folin & Ciocalteu’s
Reagent to the cuvet.
• Replace the cap and shake gently to mix.
x 6
• Wait for 1 minute and then use the 3 mL pipette to
add HI 83742C-0 Reagent C Carbonate Buffer, to
bring the volume up to the 10 mL mark.
• Turn the meter ON and press RANGE to select the
parameter code “P4” for total phenols, white wine
(see page 13). Then hold down READ/TIMER for
several seconds. The instrument will show the
countdown. Alternatively, wait for 2 hours.
The instrument gives an acoustic signal to alert the
user that the countdown is finished.
• This is the reacted sample.
#2
(Sample)
10 mL