Milesight AM102 Indoor Ambiance Monitoring Sensor User Guide
- August 13, 2024
- Milesight
Table of Contents
Indoor Ambiance
Monitoring Sensor
Featuring LoRaWAN®
AM100(L) Series
User Guide
Applicability
This guide is applicable to AM100(L) series sensors shown as follows, except where otherwise indicated.
Model | Description |
---|---|
AM102(L) | Indoor Ambiance Sensor(Temp, Hum) |
AM103(L) | Indoor Ambiance Sensor(Temp, Hum, CO2) |
Safety Precautions
Milesight will not shoulder responsibility for any loss or damage resulting from not following the instructions of this operating guide.
-
The device must not be disassembled or remodeled in any way.
-
In order to protect the security of the device, please change device password when first configuration. The default password is 123456.
-
Do not place the device outdoors where the temperature is below/above operating range.
Do not place the device close to objects with naked flames, heat source (oven or sunlight), cold source, liquid and extreme temperature changes. -
The device is not intended to be used as a reference sensor, and Milesight will not should responsibility for any damage which may result from inaccurate readings.
-
The battery should be removed from the device if it is not to be used for an extended period.
Otherwise, the battery might leak and damage the device. Never leave a discharged battery in the battery compartment. -
The device must never be subjected to shocks or impacts.
-
Do not clean the device with detergents or solvents such as benzene or alcohol. To clean the device, wipe with a soft moistened cloth. Use another soft, dry cloth to wipe dry.
Declaration of Conformity
AM100(L) series is in conformity with the essential requirements and other
relevant provisions of the CE, FCC, and RoHS.
Copyright © 2011-2023 Milesight. All rights reserved.
All information in this guide is protected by copyright law. Whereby, no
organization or individual shall copy or reproduce the whole or part of this
user guide by any means without written authorization from Xiamen Milesight
IoT Co., Ltd.
For assistance, please contact
Milesight technical support:
Email: iot.support@milesight.com
Support Portal: support.milesight-iot.com
Tel: 86-592-5085280
Fax: 86-592-5023065
Address: Building C09, Software Park III,
Xiamen 361024, China
Revision History
Date | Doc Version | Description |
---|---|---|
Jan. 20, 2022 | V 1.0 | Initial version |
Feb. 15, 2023 | V1.1 | 1. Add single channel mode |
2. Add data storage and retransmission feature
3. Add hibernate feature and support to disable/enable last update time
Aug. 31, 2023| V1.2| Add AM102/AM102L Model
Product Introduction
1.1 Overview
AM100(L) series is a compact indoor ambience monitoring device including
humidity, temperature, and CO2 sensor for wireless LoRaWAN® network. It is
equipped with NFC (Near Field Communication) and can easily be configured via
a smartphone or a PC software. Sensor data are transmitted in real-time using
standard LoRaWAN® protocol which enables encrypted radio transmissions over
long distance while consuming very little power. The user can obtain sensor
data and view the trend of data change through Milesight IoT Cloud or through
the user’s own Network Server.
1.2 Features
- Integrated temperature, humidity and CO2 sensor
- Easy configuration via NFC
- Vivid emoticon & traffic light indicator to understand the comfort level
- Standard LoRaWAN® supported
- Milesight IoT Cloud compliant
Hardware Introduction
2.1 Packing List
If any of the above items is missing or damaged, please contact your sales Representative.
2.2 Hardware Overview
2.3 E-ink Screen (AM102 & AM103 Only)
Icon | Description |
---|---|
Battery level | |
The time of the last collected sensor data | |
The device has joined the network | |
The device has not joined the network | |
Temperature | |
Humidity |
AM103 Only
| Show the CO2 concentration and history trends
| When the CO2 concentration exceeds the Polluted threshold
| When the CO2 concentration exceeds the Bad threshold
| Excellent Environment
| When the CO2 concentration exceeds the Polluted threshold
| When the CO2 concentration exceeds the Bad threshold
Note:
- AM102 or AM103 will update data on the screen every 2 minutes if Screen Smart Mode is disabled;
- AM102 or AM103 will do a full-screen refresh after 30 times update in order to remove ghosting.
- When AM102 or AM103 detects the temperature beyond the range from 0°C to 40°C, the screen will close automatically.
- Please refer section 4.5.2 for Excellent/Polluted/Bad threshold settings.
2.4 Button and LED Indicator
Function | Action | LED Indicator |
---|---|---|
Power ON/OFF | Press and hold the power button for more than 3 seconds | Power |
On: Off → On
Power Off: On → Off
Reset to Factory Default| Press and hold the power button for more than 10
seconds| Quickly Blinks
Check On/Off Status| Quickly press the power button| Light On: Device is on.
Light Off: Device is off.
CO2 Level Indication
(AM103/AM103 L Only)| When the CO2 concentration exceeds the threshold|
Excellent: Blinks
Polluted: Blinks
Bad: Blinks
Note: If the LED Indicator is disabled, it will not show air quality
level indication.
2.5 Dimensions (mm)
Power Supply
Remove the rear cover of device to install the batteries, do not reverse the
direction of batteries when installing.
Note: The device can only be powered by ER14505 Li-SOClbatteries not
alkaline batteries.
Operation Guide
4.1 Log in the ToolBox
The device can be configured via a NFC supported mobile phone.
- Download and install “Milesight ToolBox” App from Google Play or Apple App Store.
- Enable NFC on the smartphone and launch Milesight ToolBox.
- Attach the smartphone with NFC area to the device to read device information. Basic information and settings of the device will be shown on ToolBox App if it’s recognized successfully. You can read and configure the device by tapping the Read/Write device on the App. In order to protect the security of the device, please change password when first configuration. The default password is 123456.
Note:
- Ensure the location of smartphone NFC area and it’s recommended to take off phone case.
- If the smartphone fails to read/write configurations via NFC, keep the phone away and back to try again.
- The device can also be configured by ToolBox software via a dedicated NFC reader provided by Milesight IoT, you can also configure it via TTL interface inside the device.
4.2 LoRaWAN Settings
Go to Device > Settings > LoRaWAN Settings of ToolBox App to configure join
type, App EUI, App Key and other information. You can also keep all settings
by default.
Parameters | Description |
---|---|
Device EUI | Unique ID of the device which can also be found on the label. |
App EUI | Default App EUI is 24E124C0002A0001. |
Application Port | The port is used for sending and receiving data, the default |
port is 85.
Join Type| OTAA and ABP modes are available.
Application Key| Appkey for OTAA mode, default is
5572404C696E6B4C6F52613230313823.
Device Address| DevAddr for ABP mode, default is the 5th to 12th digits of SN.
Network Session
Key
|
Nwkskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
Application Session Key|
Appskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
LoRaWAN Version| V1.0.2 and V1.0.3 are available.
Work Mode| It’s fixed as Class A.
RX2 Data Rate| RX2 data rate to receive downlinks.
RX2 Frequency| RX2 frequency to receive downlinks. Unit: Hz
Channel| Select Standard-Channel mode or Single-Channel mode. When Single-
Channel
Mode(AM103/AM 103L Only)| mode is enabled, only one channel can be selected to
send uplinks. Please enable Single-Channel mode if you connect device to
DS7610.
---|---
Channel| Enable or disable the frequency to send uplinks.
If frequency is one of CN470/AU915/US915, enter the index of the channel that
you want to enable and make them separated by commas.
Examples:
1, 40: Enabling Channel 1 and Channel 40
1-40: Enabling Channel 1 to Channel 40
1-40, 60: Enabling Channel 1 to Channel 40 and Channel 60 All: Enabling all
channels
Null: Indicates that all channels are disabled
Spread Factor| If ADR is disabled, the device will send data via this spread
factor.
Confirmed Mode| If the device does not receive ACK packet from network server,
it will resend data once.
Rejoin Mode| Reporting interval ≤ 35 mins: the device will send a specific
number of LinkCheckReq MAC packets to the network server every reporting
interval or
| every double reporting interval to validate connectivity; If there is no
response, the device will re-join the network.
Reporting interval > 35 mins: the device will send a specific number of
LinkCheckReq MAC packets to the network server every reporting interval to
validate connectivity; If there is no response, the device will re-join the
network.
---|---
Set the number of packets sent| When rejoin mode is enabled, set the number of
LinkCheckReq packets sent.
Note: the actual sending number is Set the number of packet sent + 1.
ADR Mode| Allow network server to adjust datarate of the device.
Tx Power| Transmit power of the device.
Note:
- Please contact sales for device EUI list if there are many units.
- Please contact sales if you need random App keys before purchase.
- Select OTAA mode if you use Milesight IoT cloud to manage devices.
- Only OTAA mode supports rejoin mode.
4.3 Time Synchronization
ToolBox Sync:
Go to Device > Status of ToolBox App to click Sync to sync the time.
Network Server Sync:
Go to Device > Settings > LoRaWAN Settings to change LoRaWAN® version as
1.0.3, then the device will MAC command to ask for time from network server
every time it joins the network. This should ensure the network server
supports this feature and the time is UTC+0 time zone by default.
4.4 Basic Settings
Go to Device > Settings > General Settings to change the reporting interval,
screen mode, etc.
Parameters | Description |
---|---|
Temperature Unit | Change the temperature unit displayed on the ToolBox and |
screen.
Note :
1) The temperature unit in the reporting package is fixed as °C.
2) Please modify the threshold settings if the unit is changed.
Reporting Interval
| Reporting interval of transmitting current sensor values to network server.
Default: 10 mins, Range: 1-1080 mins
LED Indicator| AM102(L): Enable or disable the indicator to blink every 13s to
indicate the device running well.
AM103(L): Enable or disable the indicator to indicate CO2 threshold.
Data Storage| Disable or enable data storage locally. (see section 4.5.3 to
export data )
Data Retransmission| Disable or enable data retransmission. (see section
4.5.4)
Change Password
| Change the password for ToolBox App or software to read/write this device.
Screen Settings (AM102/AM103 Only)
Parameters| Description
Screen Display| Enable or disable screen display.
Color Theme| Select screen display background color as Light or Dark.
Last Update| Enable or disable the Last Update time displayed on the screen.
Screen Smart Mode| When the current collected value is close to the last value
(tem ≤ ±0.5°C and hum ≤ ±3% and CO2 ≤ ±50 ppm), the screen will stop updating
to save power.
Least Refresh Time| When screen smart mode is enabled, set the least time to
fresh the screen. Range: 2-1080 mins
Hibernate Mode| The screen will hibernate during a time period.
Hibernate Period| Set the period of screen hibernate.
LoRa Uplink| Enable or disable to send LoRaWAN uplinks during hibernate. It’s
disabled by default.
---|---
4.5 Advanced Settings
4.5.1 Calibration Settings
ToolBox supports numerical calibration for all items. Go to Device > Settings
Calibration Settings to type the calibration value and save, the device will add the calibration value to raw value, then display and upload the final value.
Besides numerical calibration, ToolBox provides more CO2 calibration methods
for AM103(L): Manual Calibration: Put the device in an open outdoor
environment for more than 10 minutes and click this button to calibrate the
CO2 value.
Restore Factory Calibration: Clean the manual calibration and turn back to
factory calibration.
Auto Background Calibration: When enabled, keep the device work in a well-
ventilated environment for 7 days, then disable the calibration.
4.5.2 Threshold Settings
Go to Device > Settings > Threshold Settings to enable and configure the
temperature and CO2 threshold settings.
Temperature threshold: it will upload the current data once instantly when
temperature is over or below the threshold. Note that when you change the
temperature unit, please re-configure the threshold.
CO2 threshold: it supports defining Excellent, Polluted and Bad threshold for traffic light and screen alarms. Besides, when it exceeds the Bad threshold, AM103(L) will upload the current data once instantly.
4.5.3 Data Storage
AM103(L) supports storing 640 data records and AM102(L) supports storing 1280
data records locally and exports data via ToolBox App. The device will record
the data according to reporting interval even not joining network.
-
Go to Device > Settings > General Settings to enable data storage feature.
-
Go to Device > Maintenance to click Export, then select the data time range and click Confirm to export data. ToolBox App can export last 14 days’ data at most.
-
Click Data Cleaning to clear all stored data inside the device.
4.5.4 Data Retransmission
AM100(L) series supports data retransmission to ensure network server can get
all data even if network is down for some times. There are two ways to get the
lost data:
- Network server sends downlink commands to enquire the historical data for specifying time range, see section 6.4;
- When network is down if no response from LinkCheckReq MAC packets for a period of time, the device will record the network disconnected time and re-transmit the lost data after device re-connects the network.
Here are the steps for data retransmission:
-
Ensure the device time is correct (see section 4.3);
-
Enable data storage feature and data retransmission feature;
-
Go to Device > Settings > LoRaWAN Settings to enable rejoin mode feature and set the number of packets sent. Take below as example, the device will send LinkCheckReq MAC packets to the network server regularly to check if the network is isconnected; if there is no response for 8+1 times, the join status will change to de-active and the device will record a data lost time point(the time to join the network).
-
After the network connected back, the device will send the lost data from the point in time when the data was lost according to the reporting interval.
Note:
- If the device is rebooted or re-powered when data retransmission is not completed, the device will re-send all retransmission data again after device is reconnected to the network;
- If the network is disconnected again during data retransmission, it will only send the latest disconnection data;
- The retransmission data format is started with “20ce”, please refer to see section 6.4.
- Data retransmission will increase the uplinks and shorten the battery life.
4.6 Maintenance
4.6.1 Upgrade
- Download firmware from Milesight official website to your smartphone.
- Open ToolBox App and click “Browse” to import firmware and upgrade the device.
Note:
- Operation on ToolBox is not supported during the upgrade.
- Only Android version ToolBox supports the upgrade feature.
4.6.2 Backup
AM100(L) series supports configuration backup for easy and quick device
configuration in bulk.
Backup is allowed only for devices with the same model and LoRaWAN® frequency
band.
- Go to Template page on the App and save current settings as a template. You can also edit the template file.
- Select one template file that saved in the smartphone and click Write, then attach it to another device to write configuration.
Note: Slide the template item to the left to edit or delete it. Click the template to edit the configurations.
4.6.3 Reset to Factory Default
Please select one of following methods to reset device:
Via Hardware: Hold on power button for more than 10s.
Via ToolBox App: Go to Device > Maintenance to click Reset, then attach smart
phone with NFC area to device to complete reset.
Installation
Fixed by Screws:
-
Remove the rear cover of the device, screw the wall plugs into the wall and fix the rear cover with screws on it, then install back the device.
-
Fix the bottom of the device to the rear cover with the theft-deterring screw.
Fixed by 3M Tape:
-
Fix the bottom of the device to the rear cover with the theft-deterring screw.
-
Paste 3M double-sided tape to the back of the device, then tear the other side and place it on a flat surface.
Note:
In order to ensure the best detection and LoRaWAN® communication work, it is
recommended to install device as follows:
- Do not mount the device where the temperature is below/above operating range and temperature varies greatly.
- Stay far away from any heat source or cold source like oven, refrigerator.
- Do not mount the device close to where airflow varies greatly like windows, vent, fan and air conditioner.
- Do not mount the device upside down.
- Do not place the device right to the window or door. If you have to, you’d better pull the curtain.
- It is recommended to install at least 1.5 m high from floor.
Device Payload
All data are based on following format (HEX), the Data field should follow little-endian:
Channel1 | Type1 | Data1 | Channel2 | Type2 | Data2 | Channel 3 | … |
---|---|---|---|---|---|---|---|
1 Byte | 1 Byte | N Bytes | 1 Byte | 1 Byte | M Bytes | 1 Byte | … |
For decoder examples please find files on https://github.com/Milesight- IoT/SensorDecoders.
6.1 Basic Information
AM100(L) series report basic information of sensor whenever joining the
network.
Channel | Type | Description |
---|---|---|
ff | 01 (Protocol Version) | 01 => V1 |
09 (Hardware Version) | 01 40 => V1.4 | |
0a (Software Version) | 01 14 => V1.14 | |
0b (Power On) | Device is on | |
0f (Device Type) | 00: Class A, 01: Class B, 02: Class C | |
16 (Device SN) | 16 digits | |
18 (Sensor Status) | Byte 0: 00 means all sensors |
Byte 1: 0=disabled, 1=enabled and every bit means every kind of sensor
Bit 0: temp, Bit 1: hum, Bit 4: CO2
Example:
ff0bff ff166710b32620711912 ff090100 ff0a0101 ff0f00 ff180013
Channel| Type| Value| Channel| Type| Value
ff| 0b (Power On)| ff (Reversed)| ff| 16 (Device SN)| 6710b32620711912
Channel| Type| Value| Channel| Type| Value
ff
| 09 (Hardware version)| 0100 (V1.0)|
ff
| 0a (Software version)| 0101 (V1.1)
Channel| Type| Value| Channel| Type| Value
ff| 0f (Device Type)| 00 (Class A)| ff| 18 (Sensor Status)| 00 => All Sensors
13 = 0001 0011 => All sensors are enabled
---|---|---|---|---|---
6.2 S ensor Data
AM100(L) series report sensor data according to reporting interval (10 mins by
default).
Item | Channel | Type | Description |
---|---|---|---|
Battery Level | 01 | 75 | UINT8, Unit: % |
Temperature | 03 | 67 | INT16, Unit: °C, Resolution: 0.1 °C |
Humidity | 04 | 68 | UINT8, Unit: %, Resolution: 0.5 % |
CO2 | 07 | 7d | UINT16, Unit: ppm |
Examples:
-
AM102(L) Periodic Package
0367ff00 04684fChannel| Type| Value| Channel| Type| Value
01| 75 (Battery Level)| 64 => 100%| 03| 67 (Temperature)| ff00 => 00ff =255
Temp = 2550.1 = 25.5°C
Channel| Type| Value| | |
04| 68 (Humidity)| 4f => 79 Hum = 790.5 = 39.5%| | | -
AM103(L) Periodic Package
0367ff00 04684f 077d1303Channel| Type| Value| Channel| Type| Value
01| 75 (Battery Level)| 64 => 100%| 03| 67 (Temperature)|
ff00 => 00ff =255
Temp = 255*0.1
= 25.5°C
Channel| Type| Value| Channel| Type| Value
04| 68 (Humidity)| 4f => 79 Hum = 79*0.5= 39.5%| 07| 7d (CO2)| 13 03 => 03 13
= 787 ppm
3. CO2 value exceeds the Bad threshold.
Channel| Type| Value
---|---|---
07| 7d| 0a 06 => 06 0a = 1546 ppm
---|---|---
6.3 Downlink Commands
AM100(L) series support downlink commands to configure the device. The
application port is 85 by default.
Channel | Type | Description |
---|---|---|
ff | 03 (Set Reporting Interval) | 2 Bytes, unit: s |
10 (Reboot) | ff |
1a (CO2 Calibration)
| 00: Factory Calibration Restored
03: Manual Calibration
39 (CO2 Auto Background Calibration)| 5 Bytes, Byte 1: 00-disable, 01-enable
Bytes 2-5: b4009001
2d (Screen Display)| 00: disable, 01: enable
2f (LED Indicator)| 00: disable, 01: enable
54 (Set CO2 Threshold)| Byte 1: 00: disable, 01: enable Byte 2-3: Bad
threshold value Byte 4-5: Polluted threshold value
Note: Polluted threshold value must be lower than bad threshold value.
56 (Screen Smart Mode)| 00: disable, 01: enable
68 (Data Storage)| 00: disable, 01: enable
69 (Data Retransmission)| 00: Disable, 01: Enable
6a (Data Retransmission Interval)| 3 Bytes Byte 1: 00 Byte 2-3: interval time,
unit:s range: 30~1200s (600s by default)
75 (Hibernate Mode)| 7 Bytes, Byte 1-hibernate mode: 00-disable, 01-enable
Byte 2-LoRa uplink: 00-disable, 01-enable Byte 3-4: start time, unit: min Byte
5-6: end time, unit: min Byte 7: bit0=0, bit 1-7: Monday to Sunday, 0=disable,
1=enable
| | Note: if start time equals end time, it means all day.
---|---|---
85 (Last Update)| 00: disable, 01: enable
86 (Least Refresh Time)| 2 Bytes, unit: min, range: 2~1800 mins
Example:
-
Set reporting interval as 20 minutes.
ff03b004Channel| Type| Value
ff| 03 (Set Reporting Interval)| b0 04 => 04 b0 = 1200s = 20 minutes -
Reboot the device.
ff10ffChannel| Type| Value
ff| 10 (Reboot)| ff (Reserved) -
Disable the e-ink screen display.
ff2d00Channel| Type| Value
ff| 2d (Screen Display)| 00: Disable the display -
Set CO2 bad threshold as 1500ppm and polluted threshold as 1000 ppm.
ff5401dc05e803Channel| Type| Value
ff
| 54 (Set CO2
Threshold)| Byte 1: 01 = enable
Byte 2-3: dc 05 => 05 dc = 1500 ppm (Bad threshold)
Byte 4-5: e8 03 => 03 e8 = 1000 ppm (Polluted threshold)
5. Enable screen hibernate and LoRa uplink, set the hibernate time between 22:00 to next day 9:00 on week days (Monday to Friday).
ff750101 2805 1c02 3e
Channel| Type| Value
ff| 75 (Screen Hibernate)| Byte 1: 01 = screen hibernate enable Byte 2: 01
=LoRa uplink enable
Byte 3-4: 28 05=>05 28=1320 mins =22:00
Byte 5-6: 1c 02 => 02 1c = 540 mins =9:00
Byte 7: 3e=00111110
bit1-5=1 means Monday to Friday enable
6.4 Historical Data Enquiry
AM100(L) series sensors support sending downlink commands to enquire
historical data for specified time point or time range. Before that, ensure
the device time is correct and data storage feature was enabled to store the
data.
Command format:
Channel | Type | Description |
---|---|---|
fd | 6b (Enquire data in time point) | 4 Bytes, unix timestamp |
fd | 6c (Enquire data in time range) | Start time (4 bytes) + End time (4 |
bytes), Unix timestamp
fd| 6d (Stop query data report)| ff
ff| 6a (Report Interval)| 3 Bytes
Byte 1: 01
Byte 2-3: interval time, unit:s range: 30~1200s (60s by default)
Reply format:
Channel | Type | Description |
---|---|---|
fc | 6b/6c | 00: data enquiry success |
01: time point or time range invalid 02: no data in this time or time range
20| ce (Historical Data)| AM102(L): Data time stamp (4 Bytes) + Temperature(2
Bytes)+Humidity (1 Byte) AM103(L): Data time stamp (4 Bytes) + Temperature(2
Bytes)+Humidity (1 Byte) + CO2 (2 Bytes)
Note:
1. The device only uploads no more than 300 data records per range enquiry.
2. When enquiring the data in time point, it will upload the data which is
closest to the search point within the reporting interval range. For example,
if the device reporting interval is 10 minutes and users send command to
search for 17:00’s data, if the device find there is data stored in 17:00, it
will upload this data; if not, it will search for data between 16:50 to 17:10
and upload the data which is closest to 17:00.
Example:
-
Enquire historical data between 2023/02/15 10:00:54 to 2023/02/15 11:45:40.
fd6c d63cec63 6455ec63Channel| Type| Value
fd| 6c (Enquire data in time| Start time: d63cec63 => 63ec3cd6 =
| range)| 1676426454 =2023/02/15 10:00:54 End time: 6455ec63 => 63ec5564 = 1676432740 =2023/02/15 11:45:40
---|---|---
Reply:
fc6c00
Channel| Type| Value
fc| 6c (Enquire data in time range)| 00: data enquiry success
20ce 5c44ec63 d30059d302
Channel| Type| Time Stamp| Value
20| ce (Historical Data)| 5c44ec63 => 2023/02/15 10:33:00| Temperature:
d300=>00d3=21.1°C Humidity: 59=>89=44.5% CO2: d302=>02d3=723 ppm
Appendix
Carbon Dioxide Levels and Guidelines
CO2 Level | Description |
---|---|
400 ppm | Normal outdoor air level. |
400-1000 ppm | Typical level indoors with good ventilation. |
1000-2000 ppm | Poor air quality – requires ventilation. |
≥ 2000 ppm | Headaches, sleepiness and stagnant, stale, stuffy air. |
Poor concentration, loss of attention, increased heart rate and slight nausea
may also be present.
5000 ppm| Workplace exposure limit (as 8-hour TWA) in most jurisdictions.
40000 ppm| Exposure may lead to serious oxygen deprivation resulting in permanent brain damage, coma, even death.
Service & Advies
Heeft u vragen of opmerkingen over een sensor? Of zoekt u ondersteuning bij
het instellen van de sensor? Onze medewerkers van de afdeling Service staan
elke werkdag voor u klaar. U kunt contact opnemen door te bellen of te mailen.
Telefoon: 0345 785 611
E-mail: support@AirTeq.eu
www.AirTeq.eu
Pascalweg 2a
4104 BG Culemborg
Netherlands
References
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