JENCO pH610N User manual

CAL
HOLD
LCD
Power/
Cal/Hold
BatteryCap
ElectrodesCap
pH610N /
ORP650N
Operation
Manual
Install four LR44 batteries by
removing, properly inserting the
batteries and then replacing the
battery cover
Getting Started
Thank you for entrusting Jenco for your water quality
measurements. Please follow the steps below to start using
your pH610N or ORP650N tester.
2
Understand the operation modes
The pH610N tester has 3 operation modes and the ORP650N tester has 2
operation modes.
【Measure Mode 】
Measure Mode is used to make all pH ( for model pH610N ), ORP ( for model
ORP650N ) and temperature measurements.
【Calibration Mode 】 ※pH610N only
Calibration Mode is used to perform1 or 2 point pH 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 measurement values.
Understand keypad operations
5
4
1
Activate the electrode of the
tester by soaking it in pH buffer 4
solution for about 0.5-2hours
Understand the LCD display
(1) Calibration buffer(s)
(2) Low Battery indicator
(3) Calibration mode indicator
(4) Display hold indicator
(5) pH / ORP reading
(6) Temperature reading (for °C)
(7) Temperature reading (for °F)
3
6
Turn the tester on
1. Press the “On/Off” key to turn on the tester.
【 Note】 The tester will automatically turn off after 10 minutes last
keypad use.
Key
Initiating
Mode
Acon
Funcon
CAL
/
HOLD
Measure
Press and hold for 2
seconds
Enters
Calibration
Mode
Press and release
Holds display with or
releases the display
from the most current
measurement values
Calibration
Press and release
Exits Calibration
Mode
On
/
Off
Power On
Press and release
Switches from °C
to °F
and vice versa
Press and hold for 3
seconds
Power Off
Power Off
Press and release
Power On
(for pH610N)
2

[ Bring solution to a lower
temperature ]
[ Bring solution to a higher
temperature ]
[ pH610N：Recalibrate with
standard buffer solutions and take
the measurement again ]
[ ORP650N：Measure Standard
ORP solutions. If the readings are
out of range, contact vendor ]
[ Calibrate with a new set of buffer
solution or replace the tester ]
[ Calibrate with a new set of buffer
solution or replace the tester ]
a. Offset calibration reading for
( 7.00 pH / 6.86 pH ) is greater than
( 100 mV / 108.3 mV )
b. New slope > ideal slope by 30 %
a. Offset calibration reading for
( 7.00 pH / 6.86 pH ) is lower than
( -100 mV / -91.7 mV )
b. New slope < ideal；slope by 30 %
Warranty
Jenco warrants this product to be free from significant deviations in material and workmanship for a period of 1 year from date of purchase. If repair or
adjustment is necessary and has not been the result of abuse or misuse, within the year period, please return-freight-prepaid and the correction of the
defect will be made free of charge. If you purchased the item from our Jenco distributors and it is under warranty, please contact them to notify us of
the situation. Jenco Service Department alone will determine if the product problem is due to deviations or customer misuse.
※Out-of-warranty products will be repaired on a charge basis.
About Jenco
Jenco is a family-operated manufacturer with 45 years of specialization in designing and producing water quality instruments. For more information
about the Wand tester or other Jenco products, please visit https://jencoi.com
7
Calibrate pH (for pH610N)
pH610N defaults to USA buffer set ( 4.01, 7.00, 10.01 ). To
change the buffer set, while the unit is off press and hold the
“CAL/HOLD” key while pressing the “On/Off” key to turn on the
tester. 【Note】Only repeat this procedure to change the buffer set.
1. Remove the electrode cap of the instrument and rinse the
electrode with distilled water. Place the electrode into the
6.86/7.00 pH buffer.
2. Press and hold the “Cal” button for 2 seconds to enter the
calibration mode.
3. “Cal” is displayed on the LCD to indicate the current mode,
and either 6.86 or 7.00 pH buffer value is displayed.
4. Blinking “HOLD” is displayed to indicate the tester is
stabilizing. When the measurement is stabilized, the tester
automatically stores the calibration value and the first
calibration point is complete.
5. “udr” is displayed while the tester waits for the next
calibration point, which defaults to pH buffer 9.18/10.01 or
pH buffer 4.00/4.01.
6. Press “CAL/HOLD” key to exit calibration and save the first
calibration data point, or rinse the electrode with distilled
water and place it into either pH buffer 4.00/4.01 pH or
9.18/10.01 to continue to calibrate the second calibration
point.
7. Blinking “HOLD” is displayed to indicate the tester is
stabilizing. When the measurement is stabilized, the tester
automatically stores the calibrated value and the second
calibration point is complete.
8. "Cal" and "HOLD" is no longer displayed to indicate the
second point calibration is completed, and the top part of
the LCD displays the two calibrated buffer values.
【Note】pH 610N must be calibrated before first use.
ORP650N does not require any calibration.
9
Hold Data
1. When the pH/ORP reading is stable, press “Hold” key to hold
and lock the display to the latest measurement values.
2. Press “Hold” key again to release and unlock the display and
the tester returns to “Measure Mode”. The unit is now ready
for another measurement.
Specifications
8
Measure
1. From “Measure Mode”, dip
the electrode end of the
tester into the test solution.
Error Displays and Troubleshooting
pH Buffer Recognition
pH Electrode Offset Recognition Range
pH Electrode Slope Recognition Range
pH 7.00, 4.01, 10.01 or pH 6.86, 4.00, 9.18
pH 4.00, 4.01, 9.18, 10.01 ±30 %
pH 7.00 ±100 mV
pH 6.86 -91.7 mV to 108.3 mV
pH610N ORP650N
Parameters pH / Temp ORP / Temp
Range 0.00~14.00 pH ±1000 mV
Resolution 0.01 pH 1 mV
Accuracy ±0.05 pH ±3 mV
Temp. Range 0.0~50.0 °C (32 .0~122.0 °F)
Temp. Resolution
Temp. Accuracy ±0.5 °C / ±1 °F
Input Impedance 3X1011 Ω
Power LR44 x 4
Battery >150 hours
Ambient
Temperature
Range
Waterproof IP67
Dimensions 163 x 43 x 20 mm
Weight 65 g
Life
0.1 °C ( ≤ 99.9 °F, 0.2 °F ; > 99.9 °F, 1 °F )
0.0~50.0 °C