PCE Instruments PCE-HT 120, PCE-HT 120-ICA Users guide

PCE-HT 120 Thermo Hygrometer

User Manual

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Last change: 10 March 2020

) can be found by using our

v1.0

© PCE Instruments

Contents

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

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

3 Features ................................................................................................. 3

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

5 Measuring procedure............................................................................ 5

5.1 Initial start-up screen ........................................................................................................ 5

5.2 Measurement and settings screens .................................................................................. 5

5.3 Button description ............................................................................................................ 6

5.4 Changing the settings ....................................................................................................... 6

5.5 Measurement and Wi-Fi connection ................................................................................. 7

5.6 Restoring to factory setting ............................................................................................... 8

5.7 AP Mode .......................................................................................................................... 8

5.8 Client Mode (internal network) .........................................................................................10

5.9 Client mode (external network, fixed IP) ..........................................................................10

5.10 Client mode (external network, floating IP) ......................................................................11

5.11 Ethernet Mode connector network floating (internal or external network) .........................12

5.12 Ethernet Mode connected via wireless bridge network (external network, fixed IP):.........12

5.13 Ethernet Mode connected via wireless bridge network (external network, floating IP): .....12

5.14 RS232 Function SERIAL OUTPUT .................................................................................13

6 Warranty ............................................................................................... 14

7 Disposal ............................................................................................... 14

© PCE Instruments

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

1

2 Specifications

Measuring function

Humidity

Measuring range

5 ... 95 % RH

Resolution

0.1 % RH

Accuracy
<70 % RH: 3 % RH

>0 % RH: ±(3 % of rdg. + 1 % RH)

Measuring function

Temperature

Measuring range

0 ... 50 °C / 32 ... 122 °F

Resolution

0.1 °C / 0.18 °F

Accuracy

±0.8 °C / 1.44 °F

Measuring function

Dew point

Measuring range

-25.3 ... 49 °C / -13.5 ... 120 °F

Resolution

0.1 °C / 0.18 °F

Measuring function

Wet bulb temperature

Measuring range

-5.4 ... 49 °C / 22.3 ... 120.2 °F

Measuring function

PT1000

Measuring range

-10 ... 70 °C / 14 ... 158 °F

Resolution

0.1 °C / 0.18 °F

Accuracy

±1.2 °C / 2.2 °F

Display

LC display

Interfaces

RS232 (SOFT-LUT-USB optional)

Ethernet

WLAN / WiFi

WiFi interface

IEEE 802.11b / g / n

2.412 ... 2.484 GHz

WiFi connection types

Access Point

Client mode

Encryption types

64, 128, 512 bits

WEP, WPA-PSK, WPA2-PSK, WPA / WPA2

Power supply

Power supply 9V / 1 A

Current consumption

About 170 mA

Operating conditions

0 ... 50 °C / 32 ... 122 °F, max. 80 % RH

Dimensions

134 x 80 x 32 mm / 5.3 x 3.1 x 1.3 in

Weight

approx. 222 g / <1 lb

© PCE Instruments

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3 Features

• Temperature and humidity data can be sent to the desired device via Wi-Fi. Use a
smartphone or tablet with the company’s free data collection app

• Wi-Fi work mode: Access Point (AP) or Client mode

• I/O terminal:

1. DC 9V power input

2. DC 9V power output(power supply for the connecting RS232 meter)

3. Pt-1000 ohm input.

4. Three RS232 inputs

5. Ethernet RJ45 input.

• Basic settings:

1. Net Mode

2. SSID

3. Password

4. IP Address

5. Port

6. Gateway address

• Simultaneous display of humidity, temperature, core temperature and dew point
temperature values.

• Humidity range: 5% … 95%

• Temperature range: 0 °C … 50 °C, °C/°F

• Maximum of 20 TCP connections

• Ready for use, straight out of the box

© PCE Instruments

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4 Device description

Fig.1

3.1 DC 9V power adapter input socket 3.11 ► button

3.2 DC 9V output socket 3.12 System reset button

3.3 Humidity/Temp. sensor 3.13 Stand

3.4 Antenna and antenna socket 3.14 Hanging holes

3.5 Display 3.15 Hanging unit (with sticker)

3.6 SETUP/ENTER BUTTON 3.16 Power interface cable/plugs

3.7 EXIT/SHIFT ( ) button 3.17 Isolate RS232 output socket

3.8 ▲ button 3.18 Pt1000 input socket

3.9 ▼ button 3.19 Network socket (RJ45)

3.10 ◄ button

© PCE Instruments

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5 Measuring procedure

5.1 Initial start-up screen

Screen 1 (start-up screen) Screen 2: (start-up screen)

5.2 Measurement and settings screens

1. Measurement screen

Screen 3 (temp/humidity measurement) Screen 4 (Pt1000 measurement)

Screen 5 (settings preview) Screen 6 (settings preview)

Screen 7 (settings preview) Screen 8 (settings preview)

© PCE Instruments

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2. Settings screen

Screen 9 (settings) Screen 10 (setting)

5.3 Button description

• SETUP/ENTER button: enters the setup screen and confirms selection

• In the settings menu:

o Use the ▼ and ▲ buttons to select the desired field.
o Pressing and holding the ▲ or ▼ button will scroll between the fields more

rapidly.

o Pressing and holding the ▲ and ▼ buttons together will clear the selected

field.

o Use the ◄ and ► buttons to move left or right.
o EXIT/SHIFT ( ) button: changes the text input type or exits the settings

menu,

• In measurement mode:

o Press and hold the ▲ and ▼ buttons simultaneously until the screen flickers

to toggle between easy and full mode

o EXIT/SHIFT ( ) button: toggle the backlight

5.4 Changing the settings

• After the device has been switched on, the start-up screen appears (Screen 1 – Screen

2) and the device will be initialised over 30 sec. The temp/humidity measurement
screen will then be displayed (Screen 3).

• Press the SETUP/ENTER button to enter the settings screen (Screen 9).

• Use the ▲ and ▼ buttons to move the selection between settings.

• Use the ◄ and ► buttons to select between the setting and its value. To change a

value select it by pressing the ► button and then using the ▲ and ▼ buttons to change
the value. Press the SETUP/ENTER button to confirm the change.

• Net mode:

o The default setting is Client
o With the setting selected (blinking) press the ◄ or ► button, then use the ▲

or ▼ button to toggle between Client and AP.

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to SSID.

• SSID:

o The default SSID is RHW-925
o Press the ◄ or ► button to select the value, then use the ▲ and ▼ buttons

to input numbers or letters, after pressing the EXIT/SHIFT button (max. 21
characters).

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Encrypt.

© PCE Instruments

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• Encrypt:

o The default setting is none
o Press the ◄ or ► button to select the value, then use the ▲ and ▼ buttons

to toggle between none / wep_open / wep / wpa_tkip / wpa_aes / wpa2_tkip
/ wpa2_aes / wpawpa2_tkip / wpawpa2_aes

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Password.

• Password:

o The default password is 12345678
o Press the ◄ or ► button to select the value, then use the ▲ and ▼ buttons

to input numbers or letters, after pressing the EXIT/SHIFT button.

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to IP.

• IP:

o The default IP address is 192.168.0.254
o Press the ◄ or ► button to select the value and then use the ▲ and ▼

buttons to input numbers for a new IP address.

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Port.

• Port:

o The default port is 200
o Press the ◄ or ► button to select the value and then use the ▲ and ▼

buttons to input numbers for a new port (max. 65535 numbers).

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Gateway.

• Gateway:

o The default gateway is 192.168.0.1
o Press the ◄ or ► button to select the value and then use the ▲ and ▼

buttons to input numbers for a new gateway.

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Unit.

• Unit:

o Press the ◄ or ► button to select the value, and then use the ▲ and ▼

buttons to toggle between C and F.

o Press the SETUP/ENTER button to confirm your change.
o Press the ▼ button to move the selection to Default Settings.

• Default Settings:

o Restore to factory settings (refer to point 5.6).

• Press the EXIT/SHIFT ( ) button to save the changed settings. The device then needs
~25 sec. to reconnect (Screen 7 or 8) before returning to the measurement screen
(Screen 5 or 6).

5.5 Measurement and Wi-Fi connection

• Screen 3 is the temperature and humidity measurement screen.

• Pt1000 measurement mode

o Insert the probe into the PT 1K input (Fig.1 3.18).
o Press the ► button to toggle between the PT1000 measurement screen

(Screen 4) and the Temp/Humidity measurement more (Screen 3)

• A Wi-Fi symbol ( ) will flash in the upper, right hand corner of both measurement
screens to indicate an existing connection.

© PCE Instruments

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5.6 Restoring to factory setting

Image 2

Image 3

Image 4

• Press the SETUP/ENTER button to enter the settings screen (Screen 9).

• Use the ▲ or ▼ buttons to move the selection to the Default Settings option.

• With the setting selected (blinking) press the ◄ or ► button, then use the ▲ or ▼

• Press the EXIT/SHIFT ( ) button to save the changed settings. The device then needs

5.7 AP Mode

• First, install the dedicated app.

button to change the setting from N (No) to Y (Yes).

~25 sec. to reconnect (Screen 7 or 8) before returning to the measurement screen
(Screen 5 or 6) with the factory settings restored.

o For iOS devices: download the app from the App Store (Image 1). Password:

aZ6210.

Image 1

o For Android devices: please use the QR code provided below to download

the PDF file and follow the instructions.
OR
Use the direct URL link https://tinyurl.com/lutronapp

Password: Az6210

MeterApp.

to download the

© PCE Instruments

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Image 5

Image 6

Image 7

• After starting the device, enter the settings menu (Screen 9) and set the following
parameters:
NetMode: AP
B.SSID: RHW-925
C.IP: 192.168.0.254
D.Port: 200

• Connect to the device with your smart phone Wi-Fi.

• Start the MeterApp and select Meter 1 on the first screen (Image 2).

• Press the settings button (Image 3, step 2).

• In the settings menu (Image 4) you can set/change the following settings:

o Meter name (default is Meter 1)
o CH No: channel number in accordance with the device channel number
o Sampling time: must be set, in minutes. Check back after doing the logging

function.

o IP: must be set in accordance with the device. The default IP address is

192.168.0.254.

o Port: must be set in accordance with the device. The default port is 200.
o Save File: select the log file save path here.
o Alarm Beeper: device beeps when the conditions on Image 6 are met.
o Alarm SMS: device sends an SMS as an alarm to your smart phone when

the conditions on Image 6 are met.

• The Save button (Image 5) stores the set settings and returns the device to Image 3. The
Wi-Fi icon (Step 3) will now flash green, indicating that the device is connected.

• When in the project screen (Image 3), tap on CH1 (step 4) to enter the settings screen (image

6) and set the desired parameters. Then press the return button to go back to the project
screen (Image 3). When the measured values reach the conditions set in Image 6, the
numbers will become red and the device will either beep or send an SMS.

• When in the project screen (Image 3), use the buttons in Step 5 to switch the display directly
between Meter1 to Meter4.

• Re-connect Use the reconnect button if the device loses connection.

• Auto Log: the log will be saved based on the sampling time set in Image 4.

• Manual Log: press the Manual Log button to save the log manually. The log file is in xml

formal.

• View Log: view the recorded data directly on your smartphone (Image 7).

© PCE Instruments

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Internet

Modem

IP Router

Wireless (AP)

5.8 Client Mode (internal network)

• First, a wireless device must be set as an AP

o Determine the SSID for the meter.
o Setting a password is not necessary.

• Set the meter to Client mode with the following parameters:

o Net mode: Client
o SSID: RHW-925 (or used defined) Internet
o IP: 192.168.0.254
o Port: 200

Refer to Screen 6.

5.9 Client mode (external network, fixed IP)

• Simple schematic network:

• Set the meter to Client mode with the following parameters:

o Net mode: Client
o SSID: RHW-925 (or used defined)
o IP: 192.168.0.254
o Port: 200
o Gateway: 192.168.0.1 (download IP Tools from the App Store to learn how

to set this parameter).

• In the port forwarding settings of your IP router, you can set the parameters for SSID,

IP address and port such as here:

Image 8

• Enter the needed parameters in Image 4 of the MeterApp. Set the IP address according

to the required IP address of IP Tools.

© PCE Instruments

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5.10 Client mode (external network, floating IP)

Internet

Modem

IP Router

Wireless (AP)

URL forwarding

• Simple schematic network:

• Set the meter to Client mode with the following parameters:

o Net mode: Client
o SSID: RHW-925 (or used defined)
o IP: 192.168.0.254
o Port: 200
o Gateway: 192.168.0.1 (download IP Tools from the App Store to learn how

to set this parameter).

• In the port forwarding settings of your IP router, you can set the parameters for SSID,

IP address and port such as in Image 8.

• Apply for free transfer to www. noip. com. The name of the application will be

transferred to the address input of your IP Router.

Image 9

• Enter the needed parameters in Image 4 of the MeterApp. Set the IP address according

to the required IP address of IP Tools.

© PCE Instruments

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5.11 Ethernet Mode connector network floating (internal or external network)

Internet

Modem

IP Router LAN Port

PCE-HT 120

Internet

Modem

IP Router LAN Port

PCE-HT 120

Internet

URL Forwarding
Server

Modem

Wireless
IP Router

Wireless
PCE-HT 120

• Simple schematic network:

• Set the meter to Client mode with the following parameters:

o IP: 192.168.0.254
o Port: 200
o Gateway: 192.168.0.1

• Connect the Ethernet cable to input 3.19 in Fig. 1.

5.12 Ethernet Mode connected via wireless bridge network (external network, fixed IP):

• Simple schematic network:

• Set the meter to Client mode with the following parameters:

o IP: 192.168.0.254
o Port: 200
o Gateway: 192.168.0.1

• In the port forwarding settings of your IP router, you can set the parameters for SSID,

IP address and port such as in Image 8.

• Connect the Ethernet cable to input 3.19 in Fig. 1.

5.13 Ethernet Mode connected via wireless bridge network (external network, floating

IP):

• Simple schematic network:

(AP)

(Bridge)

• Set the meter to Client mode with the following parameters:

o IP: 192.168.0.254
o Port: 200
o Gateway: 192.168.0.1

• In the port forwarding settings of your IP router, you can set the parameters for SSID,

IP address and port such as in Image 8.

• Apply for a free address at www. Dlinkddns. com. The name of the application will be

transferred to the address input of your IP Router (Image 9)

• If the Metro App is being used, the required parameters in Image 4 should be entered using
IP Tools.

• Connect the Ethernet cable to input 3.19 in Fig. 1.

© PCE Instruments

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5.14 RS232 Function SERIAL OUTPUT

D15

Start word

D14 4 D13

1 - 9

D12 & D11
Display annunciator

01 = °C

02 = °F

04 = %RH

D10
Polarity

0 = Positive

1 = Negative

D9
Decimal Point (DP), position from right to left

0 = No DP

1 = 1 DP

2 = 2 DP

3 = 3 DP

D8 – D1

Display reading: D1 = LSD, D8 = MSD

If the display reads 1234, the D8 to D1 is: 00001234

D0

End word

Baud rate

9600

Parity

No parity

Data bit no

8 Data bits

Stop bit

1 Stop bit

The device has a 3.5 mm socket (3-17, Fig. 1) for a RS232 computer interface.
The connector output is a 16 digit data stream, which can be utilized to the user's specific
application.
A RS232 lead with the following connection will be required to link the instrument with the PC,
NB USB port or serial port.

The 16 digits data stream will be displayed in the following format:

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

5.14.1 Digit chart:

Eg:

5.14.2 RS232 Settings

© PCE Instruments

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6 Warranty

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

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

.

7 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

Germany United Kingdom Italy

PCE Produktions- und PCE Instruments UK Ltd PCE Italia s.r.l.
Entwicklungsgesellschaft mbH Unit 11 Southpoint Business Park Via Pesciatina 878 / B-Interno 6
Im Langel 26 Ensign Way, Southampton 55010 Loc. Gragnano
D-59872 Meschede Hampshire Capannori (Lucca)
Deutschland United Kingdom, SO31 4RF Italia
Tel.: [phone] Tel: [phone] Telefono: [phone]
Fax: [phone] 9971 Fax: [phone] Fax: [phone]
[e-mail] [e-mail] [e-mail]
www.pce-instruments.com/deutsch www.pce-instruments.com/english www.pce-instruments.com/italiano

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 Turkey

PCE Americas Inc. PCE Teknik Cihazları Ltd.Şti.
711 Commerce Way suite 8 Halkalı Merkez Mah.
Jupiter / Palm Beach Pehlivan Sok. No.6/C
33458 FL 34303 Küçükçekmece - İstanbul
USA Türkiye
Tel: [phone] Tel: [phone]
Fax: [phone] Faks: 0212 705 53 93
[e-mail] [e-mail]
www.pce-instruments.com/us www.pce-instruments.com/turkish

© PCE Instruments

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