EXact EXact Micro 20 Manuale utente

Smart Photometer System

with

U.S. Patent No 7,333,194, U.S. Patent No 7,491,546, Euro Pat No 1 725 864 DE FR UK,

and South African Pat No 2007/0628

eXact®Micro 20 with Bluetooth®Photometer Overview 3

About your eXact®Micro 20 photometer 4

About Bluetooth®4

About the Sample Cell (built–in 4 mL) 5

How to install or replace “AAA” batteries 5

2–Year Limited Warranty 5

eXact®Micro 20 Test Speciﬁcations 6 – 7

Select group overview 8

eXact®Micro 20 meter messages 8

About eXact®Strip Micro 9

Compliance veriﬁcation 9

eXact iDip®app overview 10 – 11

eXact iDip®app for eXact®Micro 20 with Bluetooth®12

Managing data with the eXact iDip®app 13

Using eXact®Strip Micro (reagent strips) Test Procedure

Acid pH, Total Alkalinity, Biguanide, Bromine, Calcium Hardness, Chloride,

Total Chlorine High, Chromium, Copper, Total Hardness High,

Total Hardness Low, Hydrogen Peroxide, Nitrate, Nitrite, Ozone,

Peracetic Acid, Permanganate, pH, Phosphate,

Quaternary Ammonia Compound QAC, & Sulfate

14 –15

Using eXact®Reagent (liquid drops) Test Procedure

Cyanuric Acid (III), Fluoride, Metals, & pH-BT 16 –17

Acrylic Calibration Stick 17

Free or Total Chlorine 18

Combined Chlorine 19

Aluminum, Ammonia, Molybdate & Sulﬁde 20

Calcium Ultra High Marine & Total Hardness Ultra High Marine 21

Cyanide 22

Total Iron 23

High Range Chloride 24

Chlorine Dioxide 25

Manganese 26

Turbidity 27

Tips for Best Accuracy 28

About the Accuracy/Calibration of the eXact®Micro 20 System 29

eXact®Strip Micro (DPD–1) Accuracy 29

Accessories / Kits 30

Available Reagents / Reorder Information 31

Contact Information Back Cover

Contents

eXact®Micro 20 with Bluetooth®Photometer Overview

Your new eXact®Micro 20 is ideal for testing Drinking Water, Pools, Spas, Ponds,

Aquariums, Food Process Water, Environmental Waters, and more!

Technical Speciﬁcations eXact®Micro 20 with Blutooth®(486700BT)

Measurement method Photometric Sample required 4mL (0.13oz)

Light source Light Emitting Diode

(LED) with precision ﬁlter

Cell chamber Custom–molded, proprietary, PET

plastic fused into chamber,

non–removable

Wavelength Dual—525nm & 638nm Operating temp range 0°—50°C (32°—122°F)

Transmission range 100 — 0.00%T Operating temp range 0°—50°C (32°—122°F)

Photometric precision +/– 0.1/0.01 %T Power supply (4) AAA alkaline batteries

Automatic range selection See speciﬁcations below Battery life >2000 tests

Cell path–length 20 mm Waterproof Rating Exceeds IP67

Display 3–digit customized liquid

crystal display with

annunciators

Electromagnetic

compliance (EMC)

Emitted interference – EN61326

Immunity to interference –

EN61326

Reagent system

Utilizes patented eXact

strip

micro reagent delivery system

with our EZ–3™ method

Dimensions 5 x 3.5 x 16.5 cm

(2 x 1.4 x 6.5) in

W x D x H

Wireless

Bluetooth®(requires Bluetooth®4.0 and Android 4.4 and up or Apple iOS 9 and up)

CELL COVER

RESULT

IN PPM

BATTERY

LEVEL

SELECT

GROUP

4th DIGIT

for >999

SAMPLE CELL

LCD

SCREEN

READ BUTTON

ON/ZERO BUTTON

MENU BUTTON

SELECT BUTTON

BATTERY

COMPARTMENT

COVER

AAA BATTERIES x4

(NOT INCLUDED)

Covers the cell for mixing

and bright light situations

Use to select desired test

within Select groups.

Use to select group number

(7 available)

Built–in plastic 4mL

cell for collecting your

water sample

Appears when meter

is connected with

eXact iDip®app.

Turns the meter on and creates

a baseline for your water testing

Starts test timer

Shows currently selected

test to be run

About your eXact®Micro 20 photometer

In order to save power, the meter is designed to turn off after 5 minutes (timed from the last button

pressed). Should the meter turn off in the middle of a test, the last stored zero in the meter will remain

valid when the meter is turned on again. Also, the test result is stored in memory for easy retrieval.

The eXact®Micro 20 meter is controlled by four buttons:

Version Serial Numbers Instruction Manual

v2.0 M20BTA00001 – M20BTA00483 sensafe.com/instruction-manuals/

v3.1 M20BTA00484 and up This manual

When ﬁrst pressed, the ZERO/ON button powers the meter. When the meter is on

and this button is pressed, it zeros the sample in the cell. It is recommended that

each new water sample analyzed is zeroed before testing, to maximize sensitivity

and accuracy.

With each press, the SELECT button advances through the Select Group 1 through

7. The current Select Group will appear as a small digit to the right of the selected

MENU (example: ).

With each press, the MENU button advances through the tests available in the

current Select Group. Each test menu can store up to 20 results. To retrieve the

stored results, go to the desired test using the MENU key. When the desired test is

displayed, press and hold down the MENU key. Continue holding down the MENU

key to scroll the stored results for that test, starting with the most recent result. The

meter will display, from memory, the last 20 readings in sequence beginning with

–20, which is the latest result, followed by 19, which is the 2nd latest result, etc; and

ﬁnally –01, which is the oldest result retained. Only the last 20 readings are stored in

each menu.

When READ is pressed once, this button starts the timer for the parameter being

tested. When pressed a second time the meter exits the timer and immediately

prepares to measure the sample. The meter will simultaneously store the

measurement in memory.

If the parameter being measured is below or above the detection range, the display

will show “LO” (Under Range) or “HI” (Over Range), respectively. This feature is menu

speciﬁc and does not apply to all parameters.

Micro 20 Version

About Bluetooth®

Bluetooth®is a low–power wireless networking standard which uses short radio waves to allow

electronic devices to communicate with each other. The eXact® Micro 20 with Bluetooth®comes

standard with Bluetooth®4.0 technology, a class 2 device with a wireless working distance of up

to 30 feet (10 meters) and a 2.1 Mbps data transfer rate. This allows a seamless transfer of data

between a smart device and the eXact® Micro 20 with Bluetooth®.

About the Sample Cell (built–in 4 mL)

How to install or replace "AAA" batteries

2–year limited warranty

The built–in Sample Cell (CELL) is transparent plastic and, when ﬁlled to the top, contains 4 mL. The

sturdy CELL design will last for over 20,000 readings. Scratches on the CELL will not interfere or

compromise the accuracy of the readings because of its ﬁxed position. For best accuracy, rinse cell

with clean water immediately after a test is completed. Do not use solvents, such as acetone, to clean

the cell. When the CELL becomes stained or cloudy from repeated testing, or when the meter does

not blank when you press the ZERO/ON button, the cell needs to be cleaned. Clean as follows: Fill cell

with clean water and move the Cell cleaning brush up–and–down and back–and–forth along the walls

of the cell. Afterwards, rinse the cell and the meter is ready for use again. Cleaning the cell regularly is

especially recommended after you run a test that is using turbidity or precipitation chemistry for analysis

(Calcium Hardness, Sulfate, Chloride, and Cyanuric Acid).

Registration of your eXact®photometer must be received within 30 days from date of purchase to

activate the warranty. The eXact®photometer is warranted to be free from defects in materials and

workmanship for a period of two (2) years from the date of purchase by the customer. ITS will repair

or replace any part of the product which is deemed to be faulty or otherwise defective. The non–

transferable warranty does not cover product damage caused by abuse (such as crushing a tablet in

the cell) or improper use. If the meter is faulty or otherwise defective contact ITS by phone (+1–803–

329–9712 Ext. 0) or email (its@sensafe.com) to describe the problem and obtain a return authorization

form before returning the photometer to ITS. Damage caused by improper packing of the photometer for

return shipment to ITS will not be covered by the warranty. Customer is responsible for shipping charges

to ITS. ITS pays postage when photometer is returned to customer. A maximum processing fee of $125

will be charged for repair or replacement of non–registered photometers and damages not covered by

this warranty. Registration is available over the phone (+1–803–329–9712 Ext. 0) or online at

sensafe.com/warranty (Personal data is kept conﬁdential).

Unscrew the O–ring sealed battery cover counter–clockwise. Use proper sized pliers if necessary.

Do not disturb the sealing O–ring.

Remove the used batteries and install 4 new AAA batteries following the diagram for correct polarity

(see diagram). We recommend high quality AAA alkaline batteries be used.

Replace the battery cover. Be sure to tighten the cover securely. This is necessary for meter to

ensure it is waterproof.

Dispose of the used batteries in accordance with your local regulations.

Press button to conﬁrm the meter turns on.

The meter is now ready for operation.

Perform Acrylic Calibration Stick procedure (see page 14).

Batteries are not included. The meter requires (4) AAA in order to function.

# Parameter / Test Part No. Pg

1 Alkalinity, Total (fresh) 486641 14 AL 1AL 4

2 Alkalinity, Total (pool) 486641 14 AL 3

3 Alkalinity, Total (marine) 486641 14 AL 5

4 Aluminum (AI3+)1486821 20 Al 2

5 Ammonia (NH3) 486654 20 NH 4NH 5

6 Biguanide 486810 14 bG

7 Bromine, Total (DPD–4) 486644 14 bR 6

8 Calcium (as CaCO3) 486629 14 CA 3CA 4

9 Calcium, Ultra High (marine) 486668-K 20 CAH5

10 Chloride (as NaCL) 486757 14 CH 1

11 Chloride, HR (as NaCL) 486757 23 CHH3

12 Chlorine Dioxide (DPD–1) 486633 25 Cd 6

13 Chlorine, Combined 486637 & 486638 19 CL 1CL 3CL 6

14 Chlorine, Free (DPD–1) 486637 18 CL 1CL 3CL 6

16 Chlorine, Total (DPD–4) 486670 18 CL 1CL 3CL 6

15 Chlorine, Total High (II) 486672-II 14 CLH6

17 Chromium (VI) 486614 14 CR 2

18 Copper (Cu2+) 486632 14 CU 2CU 3

19 Cyanide 486812 21 CN 7

20 Cyanuric Acid (III) 481652–III 16 CY 3

21 Fluoride 486643 16 F 1

22 Hardness, Total HR (as CaCo3) 486656 14 THH1THH4

23 Hardness, Total LR (as CaCo3) 486630 14 THL1

Hardness, Total Ultra High Marine

486669-K 20 THU5

25 Hydrogen Peroxide 486648 14 HP 6

26 Iron, Total 486650 22 FE 2

27 Manganese (Mn2+) 486606 24 MN 2

28 Metals 486604 16 Mt 2

29 Molybdate 486653 20 Mo 2

30 Nitrate (NO3) (fresh) 486655 14 NO34

31 Nitrate (NO3) (marine) 486655 14 NO35

32 Nitrite (NO2) 486623 14 NO24NO25

33 Ozone (DPD–4) 486634 14 O 6

34 Peracetic Acid 486675 14 PA 6

35 Permanganate (DPD–1) 486626 14 PM 6

36 pH (fresh) 486639 14 PH 1

37 pH (salt/pool) 486639 14 PH 3

38 pH-BT (fresh) 486657 16 PPH4

39 pH-BT (marine) 486657 16 PPH5

40 pH, Acid 486624 14 PHA7

41 Phosphate (PO4) 486814 14 PO43PO44PO45

Quaternary Ammonia Compound QAC

486823 14 QA 6

43 Sulfate (SO4) 486608 14 SO47

44 Sulﬁde (S2–) 486818 20 S

Group

1 2 3 4 5 6 7

For select group & menu overview, see page 8.

eXact®Micro 20 Test Speciﬁcations

#Count–up

Time Reagents Used Range

(ppm) Resolution | Best Accuracy

1 Immediate AL Strip

–

210

0.1(10.0–50.0), 1(51–210) 7.5

2 Immediate AL Strip

–

200

0.1(8.0–50.0), 1(51–200) 7.5

3 Immediate AL Strip

–

200

17.5

4 80 seconds 5 Drops AL Buffer & AL Strip

0.01

–

1.20

0.01 13

5 500 seconds 3 Drops NH (fresh) or 10 Drops NH (salt), & NH Strip

0.02

–

2.40

0.01 5

6 Immediate BG Strip

1.6

–

210

0.1(1.6–20.0), 1(21–210) 7.5

7 Immediate bR (DPD–1) Strip

0.01

–

12.0

0.01(0.01–2.00), 0.1(2.1–12) 5

8 Immediate CA Strip

–

400

9 Immediate CAH Strip and 2 drops CAH

710

–

1500

1(710–999), 10(1000-1500) 10

10 Immediate CH Strip

–

270

11 Immediate 1:20 Dilution of sample & CH Strip

–

5400

20 15

12 Immediate Glycine Srip & Cd (DPD–1) Strip

0.04

–

7.00

0.01(0.04–2.00), 0.1(2.1–7) 5

13 Immediate CL (DPD–1) Strip & CL (DPD–3) Strip

0.01

–

6.20

0.01 3

14 Immediate CL (DPD–1) Strip

0.01

–

6.20

0.01 3

16 Immediate CL (DPD–4) Strip

0.01

–

6.20

0.01 3

15 120 seconds CLH Strip

–

270

0.1(1–20.0), 1(21–270) 5

17 240 seconds Cr Strip

0.01

–

1.80

0.01 5

18 120 seconds CU Strip

0.01

–

10.0

0.01(0.01–4.09), 0.1(4.1–10) 2

19 600 seconds CN–1 Strip & CN–2 Strip

0.01

–

1.10

0.01 13

20 60 seconds 8 Drops CY

–

110

21 Immediate 10 Drops F

0.04

–

1.50

0.01 15

22 Immediate THH Strip

–

600

112

23 Immediate THL Strip

–

110

24 Immediate THU Strip and 10 drops THU

4000

–

8100

10 8

25 100 seconds HP Strip

0.3

–

100

0.1(0.3–10.9), 1(11–100) 8

26 40 seconds EZ Open Reducer (Powder) & FE Strip

0.03

–

6.0

0.01(0.03–2.59), 0.1(2.6–6.0) 3

27 120 seconds MN#1 Strip, MN#2 Strip, & 3 Drops MN

0.01

–

1.50

0.01 6

28 120 seconds 2 drops Mt

0.05

–

2.50

0.01 6

29 120 seconds MO Strip, 5 drops MO

0.01

–

3.00

0.01 5

30 600 seconds NO3 Strip

0.12

–

30.0

0.01(0.12–5.00), 0.1(5.1–30) 15

31 580 seconds NO3 Strip

1.00

–

0.01(1.00–20) 15

32 360 seconds NO2 Strip

0.01

–

1.80

0.01 5

33 Immediate O3 (DPD–4) Strip

0.01

–

2.00

0.01 4

34 Immediate PA Strip

0.01

–

430

0.01(0.01–9.99), 1(10–430) 7

35 Immediate PM (DPD–1) Strip

0.01

–

0.01 2

36 Immediate PH Strip

6.4

–

8.4 pH

0.1 0.2

37 Immediate PH Strip

6.4

–

8.4 pH

0.1 0.2

38 Immediate 2 Drops P-pH

5.1

–

9.2

0.1 0.2

39 Immediate 2 Drops P-pH

5.1

–

9.2

0.1 0.2

40 Immediate Acid PH Strip

3.2

–

6 pH

0.1 0.3

41 120 seconds PO4 Strip

0.03

–

4.0

0.01(0.03–2.50, 0.1(2.6–4.0) 4

42 Immediate QA Strip

–

43 Immediate SO4 Strip

–

210

110

44 180 seconds 4 Drops S & S2 Strip

0.01

–

1.6

0.01 6

1Performance veriﬁed with various salt systems and water samples

with optimal water temperature at 10°–40°C / 50°–104°F. Optimal

water temperature for Total Alkalinity test is 15°–35°C /59°–95°F.

2For example: If the sample has 1 ppm of Free Chlorine,

the meter may read 0.97 ppm or 1.03 ppm. Contact sales

department for detailed meter accuracy values.

† Value provided represents best possible accuracy under laboratory conditions, but may vary throughout the detec-

tion range. For a complete list of accuracies throughout all ranges please visit sensafe.com/micro20/speciﬁcations.

†

1 Drinking Water 2 Metals 3 Pool & Spa 4 Pond/Aquarium (Fresh)

AL — Alkalinity, Total (fresh)

CH — Chloride

CL — Free/Combined/Total

Chlorine

F — Fluoride

PH — pH

THH — Total Hardness High

THL — Total Hardness Low

Al — Aluminum

CU — Copper

CR — Chromium

FE — Iron, Total

MN — Manganese

Mo — Molybdate

Mt — Metals +2

AL — Total Alkalinity

bG — Biguanide

CA — Calcium Hardness

CHH — Chloride High Range

CL — Free/Combined/Total

Chlorine

CU — Copper

Cy — Cyanuric Acid (III)

PH — pH

PO4 — Phosphate

AL — Total Alkalinity (fresh)

CA — Calcium

NH — Ammonia

NO2 — Nitrite

NO3 — Nitrate (fresh)

PO4 — Phosphate

PPH — pH-BT (fresh)

THH — Total Hardness High

5 Marine 6 Sanitizers 7 Miscellaneous 8 Transmission

AL — Total Alkalinity (marine)

CAH — Calcium UH (marine)

NH — Ammonia

NO2 — Nitrite

NO3 — Nitrate (marine)

PO4 — Phosphate

PPH — pH-BT (marine)

THU — Total Hardness UH

(marine)

bR — Bromine

Cd — Chlorine Dioxide

CL — Free/Combined/Total

Chlorine

CLH — Total Chlorine High

HP — Hydrogen Peroxide

O — Ozone

PA — Peracetic Acid

PM — Permanganate

qA — Quaternary Ammonia

CN — Cyanide

PHA — pH, Acid

S — Sulﬁde

SO4 — Sulfate

TR1 — Transmission (525nm)

TR2 — Transmission (638nm)

LCD Message Description Corrective Action

HI In READ mode: test sample concentration is above the

measurement range (test speciﬁc).

Dilute and retest. Dilution kit available

(Part No. 487200)

LO In READ mode: test sample concentration is below the

measurement range (test speciﬁc).

Sample value is below

measurement range.

LO In ZERO mode: sample absorbency (due to a cloudy

or colored sample or a dirty cell) is too high to zero, the

meter will read “LO” or low battery

Dilute sample, ﬁlter sample or clean

cell. One of these options should

remedy the problem.You may need

to replace batteries if low battery

indication.

ER Excessive stray light detected. Normally this does not

occur, even when testing in sunlight.

Place the light blocking CAP over the

CELL for zeroing and for reading result.

Moving to a shaded can also ﬁx

this problem.

Low battery indication during testing

(meter may not zero)

Replace batteries immediately. Otherwise

meter may read LO while testing.

Flashing result

on LCD

Lost connection to eXact iDip®app

Press ON/ZERO to stop ﬂashing. Remove

and replace the battery cover if ﬂashing

continues for future tests.

Select group overview

eXact®Micro 20 meter messages

Below is a list of Menu and selection choices with abbreviations.

The following are some of the common messages that may display on your photometer, including error

messages. If an error message other than those listed below is displayed, please contact technical

support in the USA at (803) 329–0162 (ext. 0).

About

Compliance Veriﬁcation

This DPD test system is accepted by most health departments globally because this test is USEPA

(DIN Standard 38 408 G4, ISO 7393/2) accepted for testing requirements for Free and Total Chlorine.

The eXact®Micro 20 meter uses a wavelength of 525 nm; and the compliance requirement is that

the colorimeter wavelength is between 490 nm to 530 nm. The eXact®Strip Micro CL (DPD–1) uses

the same reagents and proportions, and the resulting solution pH is maintained between 6.2 and

6.5 as speciﬁed by AWWA (American Water Works Association) method 4500–Cl G. It should be

understood that the USEPA does not “approve” commercial DPD delivery systems such as reagent

powder pillows, tablets, dispensers, or eXact®Strip DPD delivery devices. The eXact®Strip Micro

CL (DPD–1) for Free Chlorine, and the eXact®Strip Micro CL (DPD–3), the eXact®Strip Micro CL

(DPD–4) for Total Chlorine, and the eXact®Strip Micro Cd (DPD–1) for Chlorine Dioxide meet your

reportable testing requirements because the eXact®Strip Micro strips deliver the required chemicals/

components in correct proportions (see table below).

Likewise, AWWA proportions are followed as required for Total Chlorine measurements using

Potassium Iodide. The eXact®Strip Micro Chromium is compliant because it uses the correct

wavelength and delivers the same chemicals in the same proportions as AWWA method 3500–Cr B.

This is also true for Phosphate (Ascorbic Acid method, AWWA 4500–P E.) and Sulﬁde (Methylene

Blue method, AWWA 4500–S–2 D). Our Ammonia tests are based on the Nitroprusside/phenate

method found in Standard Methods. Interferences are controlled by EDTA and sodium potassium

tartrate. Standard Methods requires an instrument reading

in the range of 630 to 660nm. The Micro 20

reads the reacted sample at 638nm.

Component

(Free Chlorine)

AWWA

4500–CI G

eXact®

DPD–1

Anhydrous DPD sulfate 1.5% 1.5%

Anhydrous Na2HPO433.4% 33.4%

Anhydrous KH2PO4Na264.0% 64.0%

EDTA 1.1% 1.1%

For a complete list of eXact®Strip Micro reagent strips we offer, please see page 31.

The eXact®Micro 20 with Bluetooth®is designed to work with our line of eXact®Micro Strips. This type

of reagent delivery method is designed to give the most precise accuracy reading for testing various

water quality parameters.

eXact®Strip Micro has been designed to offer the user a more “Green” and cost–effective alternative

to testing. Instead of using a 10 mL water sample, eXact®Strip Micro uses a 4mL water sample,

which uses up to 60% less chemical per test. The accuracy of the meter is maintained by designing

the photo cell with a 20 mm path–length.

Strip

e a

eact StripStrip

eXact iDip®app overview

GET IT ON

HISTORY:

Accesses

saved results

which can be

sorted, edited,

and emailed.

Also accesses

History Map

CALENDAR:

Displays your

schedule/

appointments

STORE:

Opens store

to unlock

additional tests

CUSTOMERS:

Attaches

results to

people and/or

locations from

your

smart

device contacts

TEST:

Initiates water

testing

RESULTS:

Accesses temporary

results that have

not been saved to

history

MENU:

Opens

slide-out for

easy access to

all app features

HOME SCREEN

BLUETOOTH

DEVICE

TESTING

PARAMETER

TEST RESULT

TEST RESULT SCREEN

TEST

ABBREVIATION

PARAMETER

UNIT OF MEASURE

Scroll unit of measure values.

Some tests offer results in

multiple units of measure.

DOTS INDICATE

MULTIPLE UNITS OF MEASURE

(Available for some tests)

M20BT B00007v69.02

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