PCE Instruments PCE-444 Manual

PCE Instruments Måling PCE-444

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Side 1/2

Manual

Environmental Tester

PCE-444

1 Safety .

Read the following safety information carefully before attempting to operate or service the meter.

Use the meter only as specied in this manual; otherwise, the protection provided by the meter

may be impaired.

▲ ： Environment conditions

1 90RH Non-condensation ． RH ≤ ％（）

2 Operating temperature:- /-4 ． 20℃～60℃ ℉～140℉

▲ Maintenance

1 Repairs or servicing not covered in this manual should only be performed by ．

qualied personnel.

2 Wipe the unit with a dry soft cloth periodically. Do not use abrasives or solvents ．

on this instrument.

▲ ： Safety symbol

Comply with EMC

2 Introduction .

The Humidity & Temperature Meter is designed with a high accuracy humidity &

temperature sensor, providing high accuracy, fast response and stable readings. It is widely used

for monitoring and collecting data of environment temperature and humidity. This meter is widely

used for measurement of temperature and humidity of room, metro, library, commercial center,

communication center room, etc.

3 Features.

➢ Imported high accuracy humidity &temperature sensor ,high accuracy, fast response

➢ Color LCD display with backlight

➢ Temperature unit selection / ：℃ ℉

➢ MAX/MIN

➢ HOLD

➢ Dew point temperature

➢ Wet bulb temperature

➢ Enable/Disable auto power o

➢ Over range indication

➢ Low battery indication

4. Basic Operation

1. Open battery cover and install 3*1.5V AAA batteries in the battery compartment.

2.Power on: press“ ”to power on，the meter conducts self-inspection, after LCD displays, it

measures temperature and humidity automatically.

3.After testing ，press“ ”to turn off the meter.

Note: Remove the battery when the meter is to be stored for long periods of time to avoid battery

leakage.

5 Specication .

Humidity

Range 0 100%RH ：～

Range

Accuracy

Resolution

45～75RH%

±3.0 RH%

0.1

Others

±4.5 RH%

Temperature

Range

Accuracy

Resolution

- /-4 20℃～70℃ ℉～158℉

±1.0 /±1.8 ℃ ℉

0.1

Dew point temp.

20 70℃～℃ ℉ ℉ /-4 ～158

±1.5 /±2.7 ℃ ℉

0.1

Remark: Accuracy is based on environment condition of ; 25℃

40 RH% 100 RH% ～

Wet bulb temp.

20 70℃～℃/ -4 158 ℉～℉

±1.5 /±2.7 ℃ ℉

0.1

Data update

0.5S

Enable/disable

auto power o

The meter shuts o automatically after 15 minutes inactivity under auto

power o mode, disable auto power o is available

Operating conditions

- /-4 ,10 RH% RH% 20℃～60℃ ℉～140℉ ～90

Storage conditions

- /-4 ,10 RH% RH% 20℃～60℃ ℉～140℉ ～75

Power supply

3*1.5V “AAA” batteries

Battery life

at least 50 hours

Dimensions

168*56*30.5 mm

Weight

75g

6 Meter description .

①. Temperature and humidity sensor

②. Color LCD display

③. Hold button

④. Power on/o button

⑤. MAX/MIN button

⑥. Mode selection button

⑦. Battery cover

⑧. Nameplate

7 LCD display description .

①. Data hold Icon

②. Auto power o Icon

③. Temperature reading

④. Dew point temperature units icon

⑤. Wet bulb temperature units icon

⑥. Humidity reading

⑦. Humidity unit icon

⑧. Temperature unit icon

⑨. low battery Icon

⑩. MAX/MIN

8 Operation instruction .

8.1 power on/o；

；

；；press“ ”to turn on/off the meter.

8.2 In the measuring mode Data hold; ，，press“ ” “HOLD”Icon will appear on the

LCD which indicates the data is freezed. To release the held reading，，press“ ”again.

8.3 ; In the measuring mode MAX/MIN ，press“ ”， “MAX”will appear on the LCD，

the captured maximum readings will be displayed on the LCD, press“ ”again “MIN”will ，

appear on the LCD and the captured minimum readings will be displayed on the LCD. Long

press“ ”，the meter exit MAX/MIN measurement mode and back to normal measuring mode.

8.4 with the meter on it can select temperature, dew point key；

；

；；，，press“ ”

temperature and wet bulb temperature in turn.

8.5 Use of compound key

；

；；

8.5.1 With the meter o ter，，press“ ”first and hold then press“ ”to power on the me ，

it can change temperature unit(°C/°F) is preset. ，℃

8.5.2 With the meter o，press “ ”first and hold，then press“ ”to power on the meter，

“ ”icon on the LCD display disappear, which indicates the power off functions is disabled. You

need to turn off the meter through pressing “ ”by manual.

Note: icon displayed on the screen, it indicates that the meter will automatically turn When“ ”

o after approx. 15 minutes of inactivity.

9 Notes .

1． This meter has already been calibrated before delivery. Do not revise the calibration parameters

without professional personnel and device.

【】Note The unit has been calibrated before delivery. The recommended calibration period is

one year.

2 Repairs or servicing not covered in this manual should only be performed by qualied ．

personnel.

3 Wipe the unit with a dry soft cloth periodically. Do not use abrasives or solvent on this ．

instrument.

4 Remove the battery when the meter is to be stored for long periods of time to avoid battery ．

leakage.

5 ．When the battery is low.LCD display “ ”, a new battery is needed.

10. Accessories

1．User’s manual

2 1.5V AAA Battery．

Produkt Specifikationer

Mærke:	PCE Instruments
Kategori:	Måling
Model:	PCE-444

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