User Guide

7
FUNCTIONAL DESCRIPTION HI 8314
1) BNC socket for combination pH or ORP electrodes.
2) Liquid Crystal Display (LCD).
3) mV to display the mV (ORP) readings when using an ORP
electrode; or the mV equivalent to pH values when using a
pH electrode.
4) STD trimmer for OFFSET calibration of pH.
5) Phono plug socket for HI 7669AW temperature probe.
6) ON/OFF to switch the instrument on or off.
7) pH to display the pH value.
8) °C to display the temperature measurement (when the
temperature probe is disconnected, the LCD will show 25°C).
9) SLOPE trimmer for SLOPE calibration of pH.
1
5
2
7
3
8
4
9
6
pH
ON
OFF
mV
°C
pH
HI 8314
membrane
pHmeter
STD
1nd
Calibration at pH
6.86 or 7.01
SLOPE
2nd
Calibration at pH
4.01 or 10.01
CALIBRATION
50
HI 1413B
Glass-body, single junction, flat tip, Viscolene, non-refillable combina-
tion pH electrode. Use: surface measurement.
Ultem
®
is registered Trademark of "General Electrics Co."
ORP ELECTRODES
HI 3131B / HI 3111S
Glass-body, refillable, combination platinum ORP electrode.
Use: titration.
HI 3230B / HI 3210S
Plastic-body (Ultem
®
), gel-filled, combination platinum ORP elec-
trode. Use: general purpose.
HI 4430B / HI 4410S
Plastic-body (Ultem
®
), gel-filled, combination gold ORP electrode.
Use: general purpose.
110 mm
4.3"
12 mm
0.5"
HI 1413
150 mm
5.9"
12 mm
0.5"
"S" VERSION
HI 3131
120 mm
4.7"
12 mm
0.5"
HI 3230
"S" VERSION
120 mm
4.7"
12 mm
0.5"
HI 4430
"S" VERSION