7
7+Series Version 2.0
Keypad
Operations
Descriptions
Momentary press
•
In the power-off mode, press this key to turn on the meter
•
In the calibration mode or the parameter set-up mode, press this key to
return to the measurement mode
Long press
In the measurement mode, press and hold this key for 2 seconds to turn off the
meter.
Momentary press
•
pH7+DHS
: press this key to select measurement mode: pH
→
mV,
•
Cond7+
: press this key to select measurement mode: COND
→
TDS
•
PC7+DHS
pH/Conductivity meter: press this key to select
measurement mode: pH
→
mV
→
COND
→
TDS
Momentary press
In the measurement mode, press this key to enter in the calibration mode
Momentary press
•
In the measurement mode, press this key to enter in the parameter
set-up main menu
•
In the calibration mode, press this key to confirm calibration
•
In the parameter set-up mode, press this key to select programs
Long press
In the mode of manual temperature compensation (MTC), when press and hold
these keys, the temperature value flashes, then press this keys to change the
temperature value, and press
to confirm
Momentary press
In the setup menu and submenu, these keys increases and decreases the value
of the selected parameter (up and down direction)
Meter Connections
Models
Photos
Description
pH7+ DHS
•
BNC socket— pH electrode or ORP electrode
•
RCA socket —temperature probe
COND7 +
•
BNC socket— conductivity electrode,
•
RCA socket — temperature probe
PC7 + DHS
•
BNC socket —pH electrode or ORP electrode,
•
BNC socket— conductivity electrode,
•
RCA socket— temperature probe
