PCE Instruments PCE-WAM 10 Manual de Usario

PCE Instruments Equipo de medición PCE-WAM 10

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1. APPLICATIONS & FEATURES

*The Water Activity, mainly reflects the

amount of free water in the state of food

balance, the stability of food and the

possibility of microbial reproduction, and

the chemical, enzyme and physical

changes that can cause the change of food

quality. It is often used to measure the

dryness enduring ability of the

microorganisms. By measuring the water

activity of food and selecting reasonable

packing and storage methods, the use of

preservatives can be reduced and the shelf

life of food, grain and fruits and

vegetables can be judged.

*The can be used to measure thePCE-WAM 10

water activity of foods. No matter when

and where you need to measure water

activity, water activity meterPCE-WAM 10

your unique choice. This is a real

portable

water activity meter, with a weight of

only 100 grams, lighter than a mobile

phone, and a precision of 0.0 aw, easy to 3

measure water activity anytime and

anywhere.

*Sensors and readings are integrated.

*Easy reading, water activity and

temperature of the samples displayed

together.

*It has automatic shutdown, manual

shutdown function and undervoltage

alarm indication function.

*Use USB data output to connect with PC.

*Provide Bluetooth data output choice.

2.TECHNICAL PARAMETERS

Display: 6 bit backlight LCD digital

display,

3 bit humidity aw,

3 bit temperature display

Range: 0~1.0aw

Resolution: 0.01aw

Accuracy: ±0.0 aw3

Sensor: Non conductive humidity sensor

Sampling Time: Max. 10 minutes (Record

the response value of the water activity

meter every 5 minutes, when the

between the two adjacent response values

is small At 0.01Aw, is the measured value.

Operating condition:

Temp: 0~50°C (32~122°F)

Humidity: <95%RH

Power supply: 2x1.5V AAA Um-4 Battery

Size: 148x65x65mm

Weight: 235g (Not including batteries)

Standard Accessories

*Main Unit

*Sample Plate

*Carrying Case

*Operation Manual

Optional Accessories

*USB data output

*Bluetooth data output

3.FRONT PANEL DESCRIPTIONS

1 2 3

4 5 6

3-1 Display

3-2 Water Activity Value

3-3 Temperature Value

3-4 Data Cable Interface

3-5 Battery Cover on the Back

3-6 Power key

3-7 Sensor

4. MEASUREMENT PROCEDURE

4.1 Press the power key to switch on the

power and the gauge enters the auto mode

which can automatically test the water

activity.

4.2 Put the samples into the sample plate, and

then cover the sensor of the gauge onto the

sample plate. Lay aside for about 5

minutes, when the reading gets stable, the

water activity can be obtained.

4.3 After testing, press and hold the power key

for about 3 seconds to turn off the gauge.

Clean the sample plate for next use.

5 . READING CORRECTION

5.1 When it is necessary to correct the reading

value, press and hold the Power Key for

about 7 seconds. Then release the key

when the signal ‘Cor’, comes out on the

display. There will be a decimal number

with two places, which is the correction

value.

5.2 Then open the battery cover on the back,

there are 2 small hole below the battery

slot. Use a small hard bar(such as

screwdriver) to slightly touch the key

inside, the correction value will be

increased or decreased. The value

increases when touching the right hole,

while the value decreases when touching

the left hole. Each time the key is touched,

the correction value changes by 0.01. The

correction value can be set from -0.14 to

0.14.

5.3 After the adjustment, press the

Power Key to quit.

6. BATTERY REPLACEMENT

6.1 When it is necessary to replace the

battery, the battery symbol “ ”

will appear on the Display.

6.2 Slide the Battery Cover ( Fig.1,) away

from the instrument and remove the

batteries.

6.3 Install the batteries (2x1.5vAAA UM-4)

correctly into the case.

6.4 If the gauge is not to be used for any

extended period, remove batteries.

WATER ACTIVITY METER

PCE-WAM 10

7.Ope t e ura ion proc d re

0.00

0.00 0.00

0.78 0.75

1. Take out the instrument 2. Open the instrument

measuring room

3.Open the container dish

and put the test sample

into the container dish

5. Start the instrument

and combine the measuring

chamber

6. Let the device measure

for about 5 minutes.

Vessel dish

Measuring

chamber

bottom box

me a su r in g r oo m

Container lid

Vessel dish

0.00

4. Put the container

dish with sample

into the bottom box

of the measuring

chamber (do not

cover the container

dish).

Especificaciones del producto

Marca:	PCE Instruments
Categoría:	Equipo de medición
Modelo:	PCE-WAM 10

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