DIVOLIGHT DVL05-150-S-7Fn Water Quality Lester Instruction Manual

OPERATION MANUAL
Water quality tester

DVL05-150-S-7Fn Water Quality Lester

Model:DVL05-150-S-7Fn
Note: You can find the manual on the website by following the link below or using the provided barcode.
https://www.divolightgroup.com/general-1/manual-7-in-1-tester

https://www.divolightgroup.com/general-1/manual-7-in-1-tester

SCREEN

Hold indicator
Battery indicator
ppm/ppt -TDS mode
μs/cm and ms/em- EC mode
SALT and % -Percent salinity
SALT and ppm -Salinity in part per million
SALT and S.G – Specific Gravity
mV-ORP mode
F°, C°, – tempreture in forengate and celcium

BUTTON

| Power button
Turning the tester on and off.
---|---
| OLD / TEMPERATURE button.
Short press – Freeze a reading for a comfortable read.
Press 3 sec to switch to temperature readings C° and F°.
| MODE / CALIBRATION BUTTON.
Short press — Switch between:
pH–>EC–>TDS–>SALT ppm–>SALT %–>SALT %–> –>8.G–>0RP mode.
Press 6 sec to switch to the calibration function.
| Adjusting values up/down in calibration steps.

OPERATION

1. Remove protective cap.
2. Turn the tester on by pressing the «ON/OFF» button.
3. Choose a testing mode by short-pressing the MODE/CAL button.
4. Inmerse the tester sensor in the test solution,
5. Stir gently and wait until the reading stabilizes.
6. Short press the HOLD/TEMP button.
   The readings will be frozen.
   *You can pull out the tester from the solution for comfortable readings.

Before using.
Recommend immersing the sensor in distilled or RO water for at least 5 hours if you just received the tester or didn’t use it for a long time.
After using.
Don’t forget to rinse the sensors in pure water and blot them with filter paper.

CALIBRATION pH

1. Prepare the pH solutions.

2. Turn on the tester

3. Choose pH mode short pushing the MODE/CAL button. In the display, there must be a sign of the pH .
   (not ps/cm or μpm or SALT or % or mV or S.G)

4. Immerse the tester in the solution (4.00 or 6.86 or 9.18 pH) and wait for over 20-30 sec.
   (Don’t lower the tester in solution lower than IMMERSION LINE)

5. Long pressing the MODE/CAL button (6 sec). The tester automatically chooses the type of solution (4.00, 6.86, or 9.18pH) and will flash.

6. When flashing off, calibration in this pH grade was completed.
   You can calibrate with other solutions by repeating points one to 6.

CALIBRATION EC/TDS/SALT

1. Prepare the EC solutions (Use 1413 us/cm for the first point, 12.88 mS/cm for the second point, and 111.8 mS/cm for the third)

2. Tum on the Tester

3. Choose EC mode by short-pushing the MODE/CAL button. The display must have a sign of the ps/cm.

4. Immerse the tester in the solution and wait for over 20-30 sec.
   (Don’t lower the tester in solution lower than IMMERSION LINE.)

5. Long pressing the MODE/CAL button (6 sec). The tester switches to CAL (calibration mode)

6. You must manually set a reading to 1413 (for the first point) by pressing the Up or Down buttons, long or short.

7. When flashing goes off, calibration EC is completed.
   Note 1: You can make similar steps for other solutions.
   Note 2: The Tester automatically calibrates TDS and SALINITY when proceeding with EC calibration.

Parameters of the Tester

| Range:| Resolution:| Accuracy:
---|---|---|---
pH| 0.00-14.00 pH| 0.01 pH| 0.05 pH
TDS| 0-10000 ppm| 1 ppm| ±2%FS
10.1-200.0 ppt| 0.1 ppt
 EC|  0-10000 μS/cm| 1 μS/cm| ±2%FS
10.1-19.99 mS/cm| 0.01 mS/cm
20.1-400.0 mS/cm| 0.1 mS/cm
SALINITY| 0.01%-25.00%| 0.01%|  (0.01-5%)-0.1%,(5.1-25%)-1%
0-10000 ppm| 1 ppm| ±2%FS
10.1-200.0 ppt| 0.1 ppt| ±2%FS
ORP| ±999 mV| 1 mV| ±2 mV
S.G| 1.000-1.222| 0.001| 0.001
Temp| 0.1-60.0°C/32.0-142.0°F| 0.1°C/0.1°F| ±0.5°C/±0.3°F

1. Operation temperature: 0-60°C (32-140°F)

2. Automatic temperature compensation (ATC):0-60°C (32-140°F)

3. Calibration: pH: three-point automatic calibration.
   TDS/EC/SALT: three-point manual calibration.

4. Battery: 3*1.5V(LR44 button sell).

5. Waterproof level – IP67.

6. Backlight LCD display.

7. Automatic Sut-off – 5 minutes.

8. Dimension: 1833737 mm (7.21.51.5) in.

9. Weight: 909 (3.202)

Low battery

Attention

1. Don’t calibrate the Tester in the air.

2. Before using, recommend immersing the sensor in distilled or R.O. water for at least 5 hours if you just received the Tester or haven’t used it for a long time.

3. If you haven’t used the Tester for a long time or have a problem with calibration pH, you can reset the pH function. For that, it must be turned on the on/off button for 10 seconds.
   After that, you will see on display “—-I”; Reset has been completed.

4. Don’t forget to rinse the sensors in pure water and suck it with filter paper after each use.

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