PCE Instruments PCE-THD 50 Manuel utilisateur

PCE-THD 50 Temperature and Humidity Data Logger

User Manual

User manuals in various languages (français,

italiano, español, português, nederlands, türk, polski,

русский, 中文) can be found by using our

product search on: www.pce-instruments.com

Last change: 22 December 2021

v1.0

English

 
 © PCE Instruments 
 
 
Contents 
1Safety notes........................................................................................... 1 
2Delivery scope.......................................................................................2 
3Accessories........................................................................................... 2 
3.1 Technical specifications ................................................................................................... 3 
3.2 Front ................................................................................................................................ 4 
3.3 Display............................................................................................................................. 4 
4Operating instructions ......................................................................... 5 
4.1 Measurement................................................................................................................... 5 
4.2 Dew point measurement .................................................................................................. 5 
4.3 MAX/MIN mode................................................................................................................ 5 
4.4 Hold function.................................................................................................................... 5 
4.5 Save and retrieve data..................................................................................................... 6 
4.6 Thermocouple temperature measurement........................................................................ 6 
4.7 Automatic power-off / backlight......................................................................................... 6 
4.8 Data recording.................................................................................................................. 7 
4.9 Charge battery ................................................................................................................. 7 
5Warranty.................................................................................................7 
6Disposal ................................................................................................. 7 
 
 
 

1 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The

device may only be used by qualified personnel and repaired by PCE Instruments personnel.

Damage or injuries caused by non-observance of the manual are excluded from our liability and

not covered by our warranty.

•The device must only be used as described inthis instruction manual. If used otherwise,

this can cause dangerous situations for the user and damage to the meter.

•The instrument may only be used if the environmental conditions (temperature, relative

humidity, …) are within the ranges stated in the technical specifications. Do not expose

the device to extreme temperatures, direct sunlight, extreme humidity or moisture.

•Do not expose the device to shocks or strong vibrations.

•The case should only be opened by qualified PCE Instruments personnel.

•Never use the instrument when your hands are wet.

•You must not make any technical changes to the device.

•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,

no abrasives or solvents.

•The device must only be used with accessories from PCE Instruments or equivalent.

•Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

•Do not use the instrument in explosive atmospheres.

•The measurement range as stated in the specifications must not be exceeded under

any circumstances.

•Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Delivery scope

1 x temperature and humidity data logger PCE-THD 50

1 x K-type thermocouple

1 x USB cable

1 x PC software

1 x user manual

3 Accessories

USB mains adaptor NET-USB

3.1 Technical specifications

Air temperature

Measurement range

-20 ... 60 °C（-4 ... 140 °F）

Accuracy

±0.5 °C @ 0 ... 45 °C，±1.0 °C in remaining ranges

±1.0 °F @ 32 ... 113 °F，±2.0 °F in remaining ranges

Resolution

0.01 °C/°F

Measurement rate

3 Hz

Relative humidity

Measurement range

0 ... 100 % RH

Accuracy

±2.2 % RH (10 ... 90 % RH) @ 23 °C (73.4 °F)

±3.2 % RH (<10，>90 % RH ) @23 °C (73.4 °F).

Resolution

0.1 % RH

Response time

<10 s (90 % RH, 25 °C, no wind)

Thermocouple

Sensor type

K-type thermocouple

Measurement range

-100 ... 1372 °C（-148 ... 2501 °F）

Accuracy

±(1 % ±1 °C)

Resolution

0.01 °C/°F

0.1 °C/°F

1 °C/°F

Calculated quantities

Wet bulb temperature

-20 ... 60 °C（-4 ... 140 °F）

Dew point temperature

-50 ... 60 °C（-58 ... 140 °F）

Further technical specifications

Internal memory

99 data groups

Power supply

3.7 V Li-ion battery

Operating conditions

0 ... 40 °C (32 ... 104 °F) <80 % RH, non-condensing

Storage conditions

-10 ... 60 °C (14 ... 140 °F) <80 % RH, non-condensing

Weight

248 g (0.55 lbs)

Dimensions

162 mm x 88 mm x 32 mm (6.38 x 3.46 x 1.26 ")

3.2 Front

1. Sensor and protective cap

2. LC display

3. Data retrieval key

4. SAVE key

5. On/off key + automatic power off

6. K-type thermocouple socket

7. UNIT key to switch the unit °C/°F

8. MODE key (dew point / wet

Bulb /ambient temperature)

9. REC key

10. MIN/MAX key

11. HOLD key

3.3 Display

1. Hold function starts, value is

frozen

2. MAX/MIN recording mode starts,

MAX/MIN value is displayed

3. Display of the measured value from the

internal memory

4. Wet bulb temperature

5. Automatic power off

6. Memory location no. of the measured

value from internal memory

7. Relative humidity unit

8. Dew point temperature

9. K-type thermocouple temperature

10. Temperature unit

11. Battery level indicator

12. Icon for full memory

13. Icon for recording

14. Icon for connection with the computer

via USB

4 Operating instructions

4.1 Measurement

1. Press the key to turn on the meter.

2. Keep the meter in the environment under test and allow sufficient time for the readings

to stabilize.

3. Press the UNIT key to select the unit °C or °F for the temperature measurement.

4.2 Dew point measurement

The meter displays the ambient temperature value while it is on. Press the MODE key once to

display the dew point temperature (DP). Press the MODE key once more to display the wet bulb

temperature (WBT). Press the MODE key one more time to return to the ambient temperature.

The DP or WBT icon will be displayed when you select the dew point or wet bulb temperature.

4.3 MAX/MIN mode

1. You must select the dew point, wet bulb or ambient temperature before checking the

MIN/MAX readings.

2. Press the MIN/MAX key once. The "MAX" icon will appear on the LCD and the

maximum value will be displayed until a higher value is measured.

3. Press the MIN/MAX key again. The"MIN" icon will appear on the LCDand the minimum

value will be displayed until a lower value is measured.

4. Press the MIN/MAX key again. The "MAX/MIN" icon flashes on the LCD and the real-

time value is displayed. The MAX and MIN values are recorded at the same time.

5. Pressing the MIN/MAX key one more time will take you back to step 1.

6. To exit MAX/MIN mode, press and hold the MIN/MAX key for approximately 2 seconds

until the "MAX MIN" icon disappears from the LCD.

Note:

When MAX/MIN mode starts, all of the following keys and functions are disabled: SAVE and

HOLD.

4.4 Hold function

When you press the HOLD key, the readings are frozen, the "H" symbol appears on the LCD and

the measurement is stopped. Press the HOLD key again to return to normal operation.

4.5 Save and retrieve data

1. The meter can save up to 99 groups of readings for later recall. Each memory location

saves relative humidity and ambient temperature as well as either thermocouple

temperature, dew point temperature or wet bulb temperature.

2. Press the SAVE key to save the current data to a memory location. The LCD will

automatically return to the real-time display within 2 seconds. After 99 memory

locations are used up, the subsequently saved data will overwrite the previously saved

data of the first memory location.

3. Press the key to recall the saved data from the memory. Press the ▲ or ▼ key to

select the memory location you need. Press the key for 2 seconds to return to

normal mode.

4. When a memory location is recalled, the relative humidity and ambient temperature or

thermocouple temperature values saved in that memory location are displayed by

default. Press the MODE key to toggle between the wet bulb or dew point temperature

values saved in the displayed memory location.

5. To clear all 99 data saved in the memory, press and hold both SAVE and keys for

3 seconds.

4.6 Thermocouple temperature measurement

If contact temperature measurement on objects is required, use the thermocouple probe. Any K-

type thermocouple can be connected to this instrument. When the thermocouple is plugged into

the socket on the meter, a "T/C" icon appears on the LCD. Now the thermocouple makes a

temperature measurement.

4.7 Automatic power-off / backlight

If no key is pressed within 60 seconds in APO (auto power off) mode or recording mode, the

backlight will automatically dim to save power. Press any key to return to high brightness.

In non-APO mode, the backlight is always very bright.

To prolong the battery life, the device switches off automatically after approx. 10 minutes without

operation.

Press the key lightly to enable or disable the APO function. When the APO icon disappears,

it means that auto power off is disabled.

Press the key for about 3 seconds to turn off the meter.

Note:

In recording mode, the APO function is automatically disabled.

4.8 Data recording

1. The hygrometer has a memory for 32000 data records.

2. Before using the data logging function, you must set up the parameters via the Smart

Logger PC software. For detailed operation, please refer to the help file of the Smart

Logger software.

3. When the logging start mode is set to "by key", pressing the REC key on the meter will

start the data logging function. The "REC" icon will now appear on the LCD.

4. When the data recordings reach the pre-set quantity, the "FULL" icon will appear on

the LCD and the meter will automatically turn off.

5. In data logging mode, when the power key is pressed to turn off, the "REC" icon will

flash. Release the power key immediately to cancel power off or press and hold the

power key for 3 seconds to turn the meter off and data logging will stop.

4.9 Charge battery

When the battery level is insufficient, the battery icon will flash on the LCD screen.

Use the DC 5V mains adaptor to connect to the micro USB charging port at the bottom of the

meter. The battery icon on the LCD screen indicates the charge level.

Use a power adaptor that meets the safety specifications.

5 Warranty

You can read our warranty terms in our General Business Terms which you can find here:

https://www.pce-instruments.com/english/terms.

6 Disposal

For the disposal of batteries in the EU, the 2006/66/EC directive of the European Parliament

applies. Due to the contained pollutants, batteries must not be disposed of as household waste.

They must be given to collection points designed for that purpose.

In order to comply with the EU directive 2012/19/EU we take our devices back. We either re-use

them or give them to a recycling company which disposes of the devices in line with law.

For countries outside the EU, batteries and devices should be disposed of in accordance with

your local waste regulations.

If you have any questions, please contact PCE Instruments.

PCE Instruments contact information

Germany France Spain

PCE Deutschland GmbH PCE Instruments France EURL PCE Ibérica S.L.

Im Langel 26 23, rue de Strasbourg Calle Mayor, 53

D-59872 Meschede 67250 Soultz-Sous-Forets 02500 Tobarra (Albacete)

Deutschland France España

Tel.: +49 (0) 2903 976 99 0 Téléphone: +33 (0) 972 3537 17 Tel. : +34 967 543 548

Fax: +49 (0) 2903 976 99 29 Numéro de fax: +33 (0) 972 3537 18 Fax: +34 967 543 542

[email protected] [email protected] [email protected]

www.pce-instruments.com/deutsch www.pce-instruments.com/french www.pce-instruments.com/espanol

United Kingdom Italy Turkey

PCE Instruments UK Ltd PCE Italia s.r.l. PCE Teknik Cihazları Ltd.Şti.

Unit 11 Southpoint Business Park Via Pesciatina 878 / B-Interno 6 Halkalı Merkez Mah.

Ensign Way, Southampton 55010 Loc. Gragnano Pehlivan Sok. No.6/C

Hampshire Capannori (Lucca) 34303 Küçükçekmece - İstanbul

United Kingdom, SO31 4RF Italia Türkiye

Tel: +44 (0) 2380 98703 0 Telefono: +39 0583 975 114 Tel: 0212 471 11 47

Fax: +44 (0) 2380 98703 9 Fax: +39 0583 974 824 Faks: 0212 705 53 93

[email protected] [email protected] [email protected]

www.pce-instruments.com/english www.pce-instruments.com/italiano www.pce-instruments.com/turkish

The Netherlands United States of America

PCE Brookhuis B.V. PCE Americas Inc.

Institutenweg 15 1201 Jupiter Park Drive, Suite 8

7521 PH Enschede Jupiter / Palm Beach

Nederland 33458 FL

Telefoon: +31 (0)53 737 01 92 USA

[email protected] Tel: +1 (561) 320-9162

www.pce-instruments.com/dutch Fax: +1 (561) 320-9176

[email protected]

www.pce-instruments.com/us

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