COND110N /
TDS110N
COND111N /
TDS111N
COND115N /
TDS115N
Operation
Manual
CAL
HOLD
Getting Started
Thank you for entrusting Jenco for your water quality
measurements. Please follow the steps below to start using
your conductivity or TDS tester.
Activate the electrode of the
1
tester by soaking it in distilled
BatteryCap
water for about 0.5-2 hours
2
Install four LR44 batteries by
removing, properly inserting
the batteries and then
LCD
replacing the battery cover
Power/
Cal/Hold
LCD Display
3
(1) Low Battery indicator
(2) Calibration mode indicator
(3) Measure mode indicator
(4) Display Hold indicator
(5) Conductivity / TDS mode indicator
(6) Conductivity / TDS unit indicator
(7) Conductivity / TDS reading
(8) Temperature reading (for °C)
(9) Temperature reading (for °F)
Understand the 3 operation modes
4
【 Measure Mode】
Measure Mode is used to make all conductivity, TDS and temperature
measurements.
【 Calibration Mode】
Calibration Mode is used to perform 1 point conductivity calibration.
【 Hold Mode】
Hold Mode is used to hold and lock the display at the most recent
measurement values. Once in Hold Mode, the tester can be removed
from the measuring solution without affecting the displayed
ElectrodesCap
measurement values.
5
Understand keypad operations
Initiating
Ac on
Key
Mode
Press and hold for 2
seconds
Press and release
CAL
Measure
/
HOLD
Calibration Press and release
Press and release
On
Power On
Press and hold for 3
/
seconds
Off
Press and release
Power Off
Turn the tester on
6
1. Press the "On/Off" key to turn on the tester.
【 Note】 The tester will automatically turn off after 10 minutes last keypad use.
Func on
Enters Calibration
Mode
Holds display with or
releases the display
from the most current
measurement values
Exits Calibration
Mode
Switches from °C to °F
and vice versa
Power Off
Power On