C500 | C520 Series Operating Manual
14
Press
[MENU] to bring you back to the measurement screen, and press the
[TREND] button in the measurement mode to directly
view the
TREND
chart of the saved data, 400 sets of data records per screen.
Data Logging Trend Chart
20
16
12
8
4
0
50
100
15 0
200
250
300
350
400
2023-01-09 12:53:17
20
2
1
-
1
1-09 12:53:17 1200 µS/cm 25.0 °C
Conductivity / TDS / Salinity / Resistivity
Under the current mode, press the
[ENT] key to display the left and right displacement data line (red), and long press the
[ENT] key
to accelerate the displacement.
When the bottom icon
[ENT] is in green, it is the movement direction of the key. Press
to switch the displacement
direction, and press to switch the display range (enlarge/shrink).
Item
Display
Selection
Sub Menu
System
Terminal Current
Tuning
Current 1: 4mA
(The positive and negative ends of the
multi-meter are connected to the current
1 or current 2 output terminals of the
instrument key respectively, press
key to adjust the current 4mA or 20mA ,
press
[ENT]
to confirm.)
Current 1: 20mA
Current 2: 4mA
Current 2: 20mA
Relay Test
Relay 1 — Testing
Press
[ENT] to test
Relay 2 — Testing
Relay 1
Pump/Valve
Relay 2
Pump/Valve
Relay
Alarm/Cleaning
4-20mA
4 wire
Conductivity
Sensor 1
Conductivity
Sensor 1
Conductivity
Sensor 2
No Conductivity
Module Required
Relay 1
Pump/Valve
Relay 2
Pump/Valve
Relay
Alarm/Cleaning
4-20mA
4 wire
No Conductivity
Module Required
