SATO KEIRYOKI PC-53D Manuel utilisateur

Instruction Manual

No. 7650-20 Mini Anemometer

Model PC-53D

3-4, Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan

URL: http://www.sksato.co.jp/english/

O.02

Thank you for purchasing the Anemometer model PC-53D.

- This model is designed to measure wind velocity, temperature and humidity. Please do not use it for the

other purposes.

- Read this manual thoroughly before use and keep it in a safe place for future references.

Warning

The PC-53D is not explosion-proof. Do not use it in an atmosphere containing flammable gas.

Beware of explosion!

There is a risk of explosion

If you have any questions about this product, please contact the store from which the unit was

purchased or our service network.

Caution

In order to use the PC-53D properly, please follow the undermentioned instructions.

-The units other than m/s (meter/second) are displayed for the reference purpose. We guarantee the

measuring accuracy for the values with m/s only.

-Use this unit only in standard atmosphere but the others.

-This unit isn’t water-proof structure. Do not get wet the unit.

-Be sure to use the unit within the measuring range. Using the unit outside the specified measuring

range results in failure or damage.

-If the condensation occurs on the unit, immediately turn the power off and let it dry naturally at normal

temperature before use.

-Use of the unit in electrically noisy environments results in unstable display, increased error.

-If the unit is left in a car during summer time, heat from sunlight may results in failure. Do not leave it

such a place.

-As measuring the wind velocity by holding this unit out of a car window while driving is very dangerous,

never do it.

-Do not disassemble, modify the unit nor use the wrong battery. Doing so result in inaccurate

measurement or failure.

-This model is a precision unit. Do not drop the unit or apply impact to it.

-Do not wash or wipe this unit with alcohol, thinner, or other organic solvents. If the unit becomes dirty,

wipe it with a tightly-wrung towel or the like that has been dipped in warm water with a neutral

detergent.

-If the unit is not to be used for a long time, remove the battery. Otherwise, the battery may leak fluid,

which may result in failure.

-Keep batteries out of reach of children. If you swallow a battery accidentally, consult a doctor

immediately.

-For repair, contact the store from which the unit was purchased or our service network.

Overview

The PC-53D is a compact and lightweight portable anemometer.

Moreover, a temperature and humidity sensors are built in a compact body.

This is a multifunctional anemometer which measures temperature and humidity in the atmosphere, and

displays the dew point and wet-bulb temperature by calculation. An external temperature probe is also

usable.

Features

- Pocket-size, easy to carry

- Measurement of wind velocity, temperature and humidity is possible.

- Display of various calculated values

The wind chill factor, Beaufort wind scale, dew point and wet bulb temperature can be calculated and

displayed.

- Auto power-off function

This function is to conserve battery power for user from forgetting the turn-off the power of this unit.

1. Names and Functions of Components

1-1. Main unit

①LCD display : Display the measured values and the operating status of the unit.

*For more detail, please refer to the section “1-2. LCD display panel”.

②HOLD/○

lkey : Pressing this key turns the power on or off.

③UNIT/MODE key : Use to switch the measured unit or measurement mode.

④Wind velocity sensor : The wind velocity is measured.

⑤Temperature/Humidity sensor

: The part which the temperature and humidity are measured.

⑥Outlet for external temperature sensor

: The part which the external sensor is attached

⑦Battery lid/battery compartment

: This lid covers the coin cell battery (CR2032) compartment.

①

②

③

④

⑤

⑥

⑦

1-2. LCD display

①7-segment display

: It displays each measured value.

②Unit of wind velocity

: It displays the measurement units for wind velocity

BF (Beaufort scale)

FT/M (feet/minute)

M/H (mile/hour)

KMH (kilo meter/hour)

M/S (meter/second)

KNT (knot)

③MAX : Lit while the unit is in the mode for the maximum wind velocity measurement.

④H : Lit while the measured value is hold.

⑤WCl : Lit while the unit is in the mode for the wind chill measurement.

⑥DP : Lit while the unit is in the mode for the dew point measurement.

⑦WBT : Lit while the unit is in the mode for the wet bulb temperature measurement.

⑧EXT : Lit while the external temperature probe is measuring the temperature.

⑨Low battery : Lit when the battery is low and let you know to change the battery.

⑩°C %rh : Characters of unit of temperature(°C), unit of humidity(%rh)

2. Installing or Replacing the Battery

Replace the battery as follows before using the unit for the first time or when low battery is displayed.

(1) Remove the battery lid by turning it counter-clockwise by using a coin or the like.

(2) In case of replacing a battery, take out the used battery.

(3) Insert the coin cell battery (CR2032). Check the polar direction of positive

and negative and place the battery correctly (Placing the battery between

positive metal fitting and negative metal fitting)

After the placement of the battery, that of the positive terminal (+) is

facing upward.

(4) Reinstall the battery lid in the reverse order of removal.

Caution

- If the low battery is displayed, replace the battery immediately with a new one (CR2032).

- Measurements while the battery power is insufficient may result in faulty measurement.

- Always use the new battery

- Do not throw the used battery in the fire.

- For environmental preservation dispose the used batteries according to the regulation of each local

government

3. Measuring Procedures

(1) Press the HOLD/○

lkey. After the whole area of the display is lit, It is ready to measure.

* The display mode just before turning off is held. After replacement of batteries, the display is a Wind

Velocity Measurement Mode.

(2) Choose the Mode of measurement by pressing the UNIT/MODE key.

a) Wind Velocity Measurement Mode

Wind Velocity Measurement Mode is to measure the Wind Velocity.

While the wind velocity is displayed and hold the HOLD/○

lkey, each time the UNIT/MODE key is

pressed, the unit set is cycled as follows. Choose the measurement unit displayed.

b) Max Wind Velocity Measurement Mode

Display the updated maximum value of wind velocity during measurement.

NB. The maximum value is reset as the unit is turned off.

c) Temperature Measurement Mode

Temperature Measurement Mode is to measure the temperature.

d) Humidity Measurement Mode

Humidity Measurement Mode is to measure the humidity.

e) Wind Chill Measurement Mode

Wind Chill Measurement Mode is to display the Wind Chill.

f) Dew Point Measurement Mode

Dew Point Measurement Mode is to display the dew point temperature by calculating from

temperature and humidity.

g) Wet-bulb Temperature Measurement Mode

Wet-bulb Measurement Mode is to display the Wet-bulb temperature by calculating from

temperature and humidity.

(3)Direct the unit in the way that the wind measured comes through the unit from back (the side which serial

number is printed) to front (the side of LCD display).

(4)Turn off the unit by pressing the HOLD/○

lkey 2 seconds or more after use.

Caution

- Do not use the unit in the environment beyond the specified operating condition. It may lead to failure of

the unit.

FT/M

M/H

KMH

M/S

KNT

a) Wind Velocity Measurement Mode

Wind Velocity Unit is displayed

h) External Temperature Measurement

Mode “EXT”is displayed

b) Max Wind Velocity Measurement Mode

“MAX”is displayed

g) Wet-bulb Temperature Measurement

Mode “WBT”is displayed

c) Temperature Measurement Mode

“°C”is displayed

f) Dew Point Measurement Mode

“DP”is displayed

d) Humidity Measurement Mode

“%rh”is displayed

e) Wind Chill Measurement Mode

“WCl”is displayed

- Measurement outside the specified range may result in failure or damage of the unit. Do not use the unit

in such a manner.

- The rapid change of ambient temperature might affect the measurement accuracy. To assure the

measurement accuracy, wait until the unit adapts the ambient temperature.

Hold Function

When the temperature changes too frequently during measurement, press the HOLD/○

lkey to hold the

measured value for easier reading.

•How to activate the hold function

①Press HOLD/○

lkey in the measurement mode. The “H”character is displayed and the measured

value is being held.

②Press the HOLD/○

lkey again to release the Hold function. The “H”character is disappeared and it

returns to measurement mode.

Using the external temperature probe

Measuring the temperature with external temperature probe.

•How to measure the temperature

①Connect the external temperature probe to the unit.

②Turn the power of the unit on and press the UNIT/MODE key to switch to the EXT display.

The value measured by the external temperature probe will be displayed.

Auto power-off function

If the unit is not operated for approximately 5 minutes, the power will be automatically turned off. This Auto

power-off function conserves battery power even if you forget to turn the power off.

•How to release the Auto power-off function

①Turn the power off and keep pressing the HOLD/○

lkey for 2 seconds or more.

②When the character “n”is displayed after the entire display is lighted-up, release the HOLD/○

key. The character “n”is cleared and the unit is in measurement mode. The Auto power-off function

will be deactivated.

Caution

Once the unit is turned off, the Auto power-off function is activated again.

If the Auto power-off function is not required, release the Auto power-off function whenever you start up the

unit.

4. Error message

Measurement Target

Error

Code

Cause

Solution

Wind Velocity

Temperature

Humidity

Dew point

Wet-bulb temperature

H02

Measured value is lower than

the measurement range

Use the unit within measurement

ranges. If error message is still shown,

stop using it and contact the store you

purchased it or our service network

H03

Measured value is higher

the measurement range

Humidity,

Dew point

Wet-bulb temperature

E04

E33

Out of the temperature

measurement range.

Or the unit has defect.

5. Specifications

Product name

No.7650-20 Mini-Anemometer

Model

PC-53D

Measurement range

Temperature

0.0 to 50.0°C

Humidity

10.0 to 95.0%rh

Wind velocity

meter/second

1.1 to 18.0m/s

feet/minute

217 to 3540FTM

knot

2.1 to 35.0KNT

kilo meter/hour

4.0 to 64.0KMH

mile/hour

2.5 to 40.0M/H

Beaufort scale

1 to 8

Accuracy

Temperature

±1°C

Humidity

±5%rh (at 20 to 30°C, 40 to 70%rh), ±8%rh (at others)

External temperature

±1°C

Wind velocity

±1.1m/s (at 1.1 to 10.0m/s), ±2.0m/s (at others)

Resolution

Temperature

0.1°C

Humidity

0.1%rh

External temperature

0.1°C

Wind velocity

meter/second

0.1

feet/minute

knot

0.1

kilo meter/hour

0.1

mile/hour

0.1

Beaufort scale

(1)

Dew point display

range

-20.0 to 49.0°C

(display value calculated from temperature and humidity within measuring range)

Wet-bulb temp. display

range

-5.0 to 49.0°C

(display value calculated from temperature and humidity within measuring range)

Measurement

sampling time

about 1 second

(As for the wind velocity, moving average value of 2 seconds is displayed )

Sensing elements

Temperature: Thermistor

Humidity: Electrostatic capacity humidity sensor

Wind velocity: Vane (propeller) rotation detection

Operation ambient

0 to 50°C, Less than 95%rh (no condensation)

Storage temp.

-10 to 50°C (no condensation)

Power

Lithium button battery (CR2032) x 1

Battery life

about 140 hours (continuous use)

Materials

Main unit : ABS resin

Vane: ABS resin

External temperature probe sensing stem: SUS

Dimensions

Main unit: 46(W) x 136 (H) x 17(D) mm

External probe: stem about 4 mm dia. x 100 mm (L), cable length about 1m

Weight

Main unit: about 57g (including a battery), External probe: about 32g

Accessory

Lithium button battery (CR2032) x 1, Instruction manual x 1

Hand strap x 1 External probe x 1

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