PCE HT 72 PDF User Manual

© PCE Instruments

PCE-HT 72 PDF 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: 30 September 2020

v1.0

English

© PCE Instruments

Contents

1 Safety notes ........................................................................................... 1

2 Specifications ........................................................................................ 2

3 Scope of delivery .................................................................................. 2

4 Device description ................................................................................ 2

5 Display description ............................................................................... 3

6 Key Assignment .................................................................................... 3

7 Insert / change battery .......................................................................... 4

8 Software ................................................................................................. 5

8.1 Carry out settings of the data logger ................................................................................. 5

8.2 Live data settings ............................................................................................................. 6

8.3 Diagram of the software ................................................................................................... 7

9 Start and stop manual recording ......................................................... 9

10 Display remaining recording time ....................................................... 9

11 Lowest and highest measured value ................................................ 10

12 Data output via PDF ............................................................................ 10

13 LED status display .............................................................................. 12

14 Perform firmware upgrade ................................................................. 12

15 Delete all saved data ........................................................................... 12

15.1 Factory settings ...............................................................................................................12

16 Warranty ............................................................................................... 13

17 Disposal ............................................................................................... 13

© PCE Instruments

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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 in this 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.

© PCE Instruments

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2 Specifications

Measurement
function

Measurement
range

Resolution

Accuracy

Temperature

-30 … 60 °C

0.1 °C

<0 °C: ±1 °C
<60 °C: ±0.5 °C

Air humidity

0 ... 100 % RH

0.1 % RH

0 ... 20 % RH: 5 %
20 ... 40 % RH: 3.5 %
40 ... 60 % RH: 3 %
60 ... 80 % RH: 3.5 %
80 ... 100 % RH: 5 %

Further specifications

Memory

20010 measured values

Measuring rate / storage interval

adjustable 2 s, 5 s, 10 s ... 24h

Start-stop

adjustable, immediately or when key is pressed

Status display

via symbol on the display

Display

LC display

Power supply

CR2032 battery

Interface

USB

Dimensions

75 x 35 x 15 mm

Weight

approx. 35 g

3 Scope of delivery

1 x PCE-HT 72
1 x wrist strap
1 x CR2032 battery
1 x user manual

The software can be downloaded here:

https://www.pce-instruments.com/english/download-win_4.htm

4 Device description

No.

Description

1

Sensor

2

Display when the limit value is reached,
additionally indicated with red and green LED

3

Keys for operation

4

Mechanical switch to open the housing

5

USB port to connect to a computer

© PCE Instruments

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5 Display description

No.

Description

1

Alarm limit value indicator

Measured value is within the set limits

Measured value is outside the set limits

2

Battery status indicator

3

Recording indicator

Measuring device in standby mode
Recording stopped
Recording started

Appears after setting

4

Humidity unit

5

Humidity measured value

6

Temperature unit

7

Temperature display

8

Function display

6 Key Assignment

No.

Description

1

Down key

2

Mechanical key for opening the housing

3

Enter key

© PCE Instruments

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7 Insert / change battery

To insert or change the battery, the housing must first be opened. To do this, first press the
mechanical key "1". Then you can remove the housing. You can now insert the battery on the
back or replace it if necessary. Use a CR2450 battery.

The battery status indicator allows you to check the current power of the inserted
battery.

© PCE Instruments

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8 Software

To make settings, first install the software for the measuring device. Then connect the meter to
the computer.

Symbol

Description

Open measurement sequences saved via the software

Save measurement sequences recorded via the software

Read out sensors live

Download data stored in the meter

Settings for the measuring device and the software

Open software instructions
Change view between live data transmission and downloaded

measurement data

8.1 Carry out settings of the data logger

To make settings now, go to Settings. Under the tab "Datalogger", you can make settings for the
measuring device.

Setting

Description

Current Time

The current time of the computer which is used for data
recording is displayed here.

Start Mode

Here you can set when the meter is to start recording data.
When "Manual" is selected, you can start recording by pressing
a key. When “Instant" is selected, recording starts immediately
after the settings have been overwritten.

Sample Rate

Here you can set the saving interval.

Max Point

The maximum possible data records that the measuring device
can save are displayed here.

Record Time

This shows you for how long the meter can record data until the
memory is full.

Enable high and low alarm

Activate the limit value alarm function by ticking the box.

Temperature / Humidity
High Alarm
Low Alarm

Set the alarm limits for temperature and humidity.
"Temperature" stands for the temperature measurement
"Humidity" stands for relative humidity
With "High Alarm", you set the desired upper limit value.
With "Low Alarm", you set the desired lower limit value.

Other
LED flash cycle

Via this function, you set the intervals at which the LED should
light up to indicate operation.

Temperature Unit

Here you set the temperature unit.

LoggerName:

Here you can give the data logger a name.

Humidity Unit:

The current ambient humidity unit is displayed here. This unit
cannot be changed.

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Default

You can reset all settings with this key.

Setup

Click on this button to save all settings you have made.

Cancel

You can cancel the settings with this button.

8.2 Live data settings

To make settings for live data transmission, go to the "REAL Time" tab in the settings.

Function

Description

Sample rate (s)

Here you set the transmission rate.

Max

Here you can enter the maximum number of values to be
transmitted.

Temperature Unit

Here you can set the temperature unit.

Humidity Unit

The current unit for the ambient humidity is displayed here. This
unit cannot be changed.

Default

You can reset all settings with this button.

Setup

Click on this button to save all settings you have made.

Cancel

You can cancel the settings with this button.

© PCE Instruments

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8.3 Diagram of the software

You can move the diagram with the mouse. To zoom into the diagram, keep the "CTRL" key
pressed. You can now zoom into the diagram using the scroll wheel on your mouse. If you click
on the diagram with the right mouse button, you will see more properties.
Via "Graph with markers", points for the individual data records can be displayed on the graph.

© PCE Instruments

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Function

Description

Copy

Graph is copied to the buffer

Save Image As...

Graph can be saved in any format

Page Setup...

Here you can make settings for printing

Print...

Here you can print the graph directly

Show Point Values

If the function "Graph with markers" is active, the measured values can
be displayed via "Show Point Values" as soon as the mouse pointer is
on this point.

Un-Zoom

The zoom goes one step back

Undo All Zoom/Pan

The entire zoom is reset

Set Scale to Default

Scaling is reset

© PCE Instruments

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9 Start and stop manual recording

To use the manual mode, perform the following procedure:

No.

Description

1

First set the meter using the software.

2

After the upload, the display shows "Start Mode" and .

3

Now press the key for two seconds to start recording.

4

This indicates that recording has been started.

To cancel the measurement now, proceed as follows:

No.

Description

1

Here you are informed that the recording has started.

2

Now briefly press the key.

3

The display now shows "MODE" and "STOP".

4

Now press and hold the key.

5

Normal measurement was resumed and the display shows .

Important: When recording is finished, the measuring device must be reconfigured. It is therefore
not possible to resume recording.

10 Display remaining recording time

To view the remaining recording time, briefly press the key during recording. The remaining
time is displayed under "TIME".

Important: This display does not take the battery into account.

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11 Lowest and highest measured value

To display the lowest and highest measured values, press the key briefly during the
measurement.

To display the measured values again, press the key again or wait for 1 minute.

12 Data output via PDF

To receive the recorded data directly as a PDF, all you need to do is connect the measuring
device to the computer. A mass data memory is then displayed on the computer. From there you
can get the PDF file directly.
Important: The PDF is only generated when the measuring device is connected. Depending on
the data volume, it may take about 30 minutes until the mass data memory with the PDF file is
displayed.

Under "Logger Name:", the name saved in the software is displayed. The configured alarm limit
values are also saved to the PDF.

© PCE Instruments

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© PCE Instruments

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13 LED status display

LED

Action

Flashing
green

Data recording

Flashing
red

- Measured value outside the limits during data recording

- Manual mode started. Meter is waiting for the start by the user

- Memory is full

- Data recording was cancelled by pressing a key

Double
flashing in
green

- Settings were successfully applied

- Firmware was successfully applied

14 Perform firmware upgrade

To perform a firmware upgrade, first install the battery. Now briefly press the key. The display
shows "up". Now press and hold the key for approx. 5 seconds until "USB" additionally

appears on the display. Now connect the test instrument to the computer. A folder (mass data
memory) now appears on the computer. Insert the new firmware there. The update starts
automatically. After the transfer and installation, you can disconnect the measuring device from
the computer. A red LED glows during the update. This process takes about 2 minutes. After the
update, the measurement will resume normally.

15 Delete all saved data

To delete all data on the meter, hold down the keys and connect the data logger to the
computer at the same time. The data will now be deleted. If no connection has been established
within 5 minutes, you must reset the meter.

15.1 Factory settings

To reset the meter to the factory settings, press and hold the keys while the power is off.
Now switch on the meter by inserting the batteries or connecting the meter to the PC. The green
LED lights up during the reset. This process can take up to 2 minutes.

© PCE Instruments

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16 Warranty

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

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

17 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

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PCE Instruments contact information

Germany France Spain

PCE Deutschland GmbH PCE Instruments France EURL PCE Ibérica S.L.
Im Langel 4 23, rue de Strasbourg Calle Mayor, 53
D-59872 Meschede 67250 Soultz-Sous-Forets 02500 Tobarra (Albacete)
Deutschland France España
Tel.: [phone] Téléphone: [phone] Tel. : [phone]
Fax: [phone] Numéro de fax: [phone] Fax: [phone]
[e-mail] [e-mail] [e-mail]
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: [phone] Telefono: [phone] Tel: [phone]
Fax: [phone] Fax: [phone] Faks: 0212 705 53 93
[e-mail] [e-mail] [e-mail]
www.pce-instruments.com/english www.pce-instruments.com/italiano www.pce-instruments.com/turkish

The Netherlands China Hong Kong

PCE Brookhuis B.V. PCE (Beijing) Technology Co., Limited PCE Instruments HK Ltd.
Institutenweg 15 1519 Room, 6 Building Unit J, 21/F., COS Centre
7521 PH Enschede Zhong Ang Times Plaza 56 Tsun Yip Street
Nederland No. 9 Mentougou Road, Tou Gou District Kwun Tong
Telefoon: [phone] 102300 Beijing, China Kowloon, Hong Kong
[e-mail] Tel: [phone] Tel: [phone]
www.pce-instruments.com/dutch [e-mail] [e-mail]
www.pce-instruments.cn www.pce-instruments.cn

United States of America

PCE Americas Inc.
1201 Jupiter Park Drive, Suite 8
Jupiter / Palm Beach
33458 FL
USA
Tel: [phone]
Fax: [phone]
[e-mail]
www.pce-instruments.com/us