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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. 
 

 

Summary of Contents for PCE-THD 50

Page 1: ...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 ...

Page 2: ... 2 Front 4 3 3 Display 4 4 Operating 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 5 Warranty 7 6 Disposal 7 ...

Page 3: ...ns 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 fo...

Page 4: ... PCE Instruments 2 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 ...

Page 5: ... 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 ...

Page 6: ...play 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 1...

Page 7: ...ore 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 LCD and 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 ...

Page 8: ...he 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 th...

Page 9: ...evel 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 instru...

Page 10: ...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 info pce instruments co uk info pc...

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