Specifications
Power:
four AAA batteries (included); >400 hours of
continuous operation
Low-voltage warning:
battery status icon flashes
Auto power-off: tester automatically turns off after 8 minutes
of nonuse
IP rating:
IP67 (waterproof), floats on water when sensor cap
is on
Dimensions (L x W x H):
7" x 1.5" x 1.25" (17.8 x 4 x 3.1 cm)
Weight:
3.8 oz (107 g)
1065O101_MAN_EC1_35634-06
March 2018
www.4oakton.com
Conductivity
Range
0 to 200.0 µS/cm,
0 to 2000 µS/cm,
0 to 20.00 mS/cm
Resolution
0.1/1 µS/cm, 0.01 mS/cm
Accuracy
±1% full-scale ± 1 digit
Calibration
points
1 or 2 points; auto
standard recognition
Automatic
temperature
compensation
32 to 122°F (0 to 50°C)
Temperature
Range
32 to 122°F (0 to 50°C)
Resolution
0.1°F/°C
Accuracy
±0.9°F (0.5°C)
Symbol
Self-diagnosis
information
How to fix
Er 1
Wrong calibration
solution, or measured
value is not within the
range of the tester.
• Check if calibration
solution is correct.
• Check if probe is
damaged.
Er 2
CAL/
is pressed
before measurement
is stable (
appears).
Wait for the
measurement
stability icon (
) to
appear and stay, then
press CAL/
.
Ordering Information
Battery Installation
The tester uses four AAA batteries. Please install batteries
according to the following steps. Note the correct direction
of battery installation: the positive side (+) of every single
battery must face up. Incorrect installation of batteries will
cause damage to the tester and create a potential hazard.
1. Pull the battery cap up.
2. Slide the battery cap along the direction of arrow.
3. Open the battery cap.
4. Insert the batteries
(ALL POSITIVE SIDES FACING UP).
5. Close the battery cap.
6. Slide and lock the battery cap along the direction of
arrow.
7. Fit the tester’s cap while making sure to push all the
way down. The tester’s waterproof design may be
compromised if the cap is not fitted correctly.
Self-Diagnostic Messages
Model
Product description
Catalog number
EC1
EcoTestr pocket
conductivity tester
35634-06
4 x AAA Batteries
+
+
+
+
_ _
_ _
1
2
3
4
5
6
7
Warranty
We warrant this instrument to be free from defects in
material and workmanship and agrees to repair or replace
free of charge, at option of Oakton Instruments, any
malfunctioned or damaged product attributable to
responsibility of Oakton Instruments, for a period of
two years from the delivery (a six-month limited warranty
applies to probes). This warranty does not apply to defects
resulting from actions such as misuse (violation of the
instructions in this manual or operations in the manner
not specified in this manual), improper maintenance, and
unauthorized repairs. Warranty period is the time limit to
provide free service for the products purchased by
customers, not the service life of the tester or probe.
Oakton Instruments reserves the right to update the
information in this manual without giving notice in
advance.
1065O101_MAN_EC1_35634-06.indd 2
03/22/2018 3:49:57 PM
