Comet U0110M User Manual
Gsm modem dataloggers
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Summary of Contents for Comet U0110M
- Page 1 User‘s Guide U0110M U0141M U3120M U3121M U3631M U4440M U0843M U6841M U7844M GSM modem dataloggers...
- Page 2 All rights reserved. The COMET System, s.r.o. company is continuously developing and improving its product. COMET System, s.r.o. reserves the right to carry out technical changes in equipment or product without any previous notice. Contact address of this device’s producer: COMET SYSTEM s.r.o.
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Page 3: Table Of Contents
Displaying the device data ............12 Menu Options ................16 MODELS PRODUCED ................17 U0110M One-channel thermometer ..........17 U0141M Four- channel thermometer for external probes .... 17 U3120M Compact thermometer - hygrometer ......18 U3121M Thermometer – hygrometer for external probe ....18 U3631M Compact thermometer –... - Page 4 Introduction This datalogger is designed for autonomous measurements and recording of physical and electrical data, with the data recording interval from 1 s to 24 h. The inputs and ranges of quantities to be measured are determined by the model type the user has bought. The user cannot modify them. This portable device can be mounted in a fixed-position.
- Page 5 communicate, the datalogger utilises the HID USB standard, which does not require additional controllers to be built into the PC. General view of a UxxxxM series datalogger (U0141M model): Dimensional drawing: IE-LGR-UxxxxM-05...
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Page 6: Safety Measures And Unauthorized Manipulations
Safety measures and unauthorized manipulations Read the following safety directions carefully before putting the device into operation. Follow these instructions when using the device! • Legislative conditions. This datalogger contains a radio transmitter working in GSM frequency bands and using power values that are shown in its Technical parameters. These bands and power values are used in the countries of the European Union. -
Page 7: Guide To Installation And Usage Of The Device
Guide to installation and usage of the device Inserting the SIM card into the device • Get a suitable SIM card ready – a micro-sized SIM card can be inserted into the device. If a nano-sized card is at your disposal, you will have to obtain a reducing adapter to the micro-sized SIM. -
Page 8: Installing The Datalogger, Placing The Probes
• Screw up the rear cover of the device - at first check the seal in the nut for integrity, then screw down the lid with the four self-cutting screws. ATTENTION – tighten screws gradually and with feeling! GSM module status (blue LED indication) LED state Module... - Page 9 • This device may be operated as a portable one. In this kind of operation avoid the device falling. Try to maintain the proper working position. • You can screw the device on the wall or some other solid base •...
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Page 10: Device Set-Up
• Connect the device to the computer - on the datalogger side, use a USB cable provided with a USB-C terminal. • Setting up the device - with the aid of the COMET Vision program, set up the device identification, the names of the points to be measured, the recording mode, the alarms and there signalling. -
Page 11: Device Disposal Procedure
• Maintenance and regular checks - for a reliable functioning of the device it is advisable to perform its regular check-ups. For more details refer to „RECOMMENDATIONS FOR OPERATION AND MAINTENANCE“. Device disposal procedure Screw-off the rear cover of the datalogger, disconnect the battery connector and take out the battery. -
Page 12: Operating The Datalogger From The Keypad
Operating the datalogger from the keypad Displaying the device data Data memory occupancy - this display section offers information about the current condition of the free space existing in the data memory. The blinking of the Memory symbol indicates that the preset memory occupancy limit has been exceeded. - Page 13 A continuous recording with a preset interval is ON and running. The recording is ON in the device and it is running at present. This kind of display is utilized, when the record activity is dependent on the alarm or the external input condition. The recording is ON in the device but it is not running at present.
- Page 14 Battery condition - this symbol provides overview information about the current battery charging condition. The charging is indicated by flashing one of these symbols. Battery conditions during battery operation of the device: Fully charged battery Partly discharged battery Heavily discharged battery Totally discharged battery, the device will be switched OFF.
- Page 15 and behaviour of individual „screens“. Controlling them can take place only manually by the aid of push buttons situated beside the display unit. The upper push button serves to toggle between the measured values („the screens“): The lower push button serves to toggle between the currently measured values and the Min/Max values: The device can also be set up to toggle the „screens“...
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Page 16: Menu Options
Menu Options The menu can be entered by pressing a combination of both keys. In any case, using the keypad must be enabled in the device configuration. Individual menu items, too, may be disabled in the device setup. It is e. g. possible to switch on the device in this way, but it is not possible to switch it off. -
Page 17: Models Produced
If GSM communication is used, it is necessary to pay attention to a sufficient level of GSM signal at the location. U0110M One-channel thermometer This model is equipped with only one internal temperature sensor, no additional probes and sensors can be connected. -
Page 18: U3120M Compact Thermometer - Hygrometer
U3121M Thermometer – hygrometer for external probe This model measures temperature, relative humidity and dew point temperature using an outdoor Comet Digi/E series probe. Its response to the temperature or relative humidity jump is significantly faster than by models with internal sensor. -
Page 19: U3631M Compact Thermometer - Hygrometer With Optional
U3631M Compact thermometer – hygrometer with optional external temperature probe This model is designed to measure temperature, relative humidity and dew-point temperature by internal sensor, moreover one additional external temperature probe Pt1000/E can be connected. Internal sensors are located under the grid on the front of the unit and are protected with Teflon foil. -
Page 20: U4440M Compact Thermometer - Hygrometer - Pressure Gauge - Co2 Concentration Meter
U4440M Compact thermometer – hygrometer - pressure gauge - concentration meter This model is designed to measure temperature, relative humidity, dew-point temperature, barometric pressure the concentration of CO in the air by internal sensors. Barometric pressure can be measured as absolute or recalculated to sea level. -
Page 21: U0843M Two-Channel Binary-Input Thermometer For External
U0843M Two-channel binary-input thermometer for external probes This model can measure up to two temperature values, which are sensed by outdoor Pt1000/0 series probes. In addition, it is provided with two binary inputs for monitoring voltage-signal changes or changes of a signal coming from a voltage-free contact. -
Page 22: U6841M Datalogger With 3 Inputs 0 - 20 Ma And 1 Binary Input
U6841M Datalogger with 3 inputs 0 - 20 mA and 1 binary input This model is used to measure up to three signals from current loops (0 to 20) mA DC while allowing one binary input to be monitored. The current inputs are passive and are not galvanically separated from one another. -
Page 23: U7844M Two-Channel Binary-Input Counter
U7844M Two-channel binary-input counter This model includes four inputs. Two of them can function as counters, and all four inputs can function as binary inputs. Both counter and binary inputs serve to monitor voltage signals or signals coming from a voltage-free contact. -
Page 24: Comet Vision Program
• 1 GB memory Program description ______________________________ The COMET Vision program is used to set up Comet devices, to obtain the recorded data and the currently measured values. The program is available free of charge (www.cometsystem.com), any number of devices can be connected simultaneously (e. g. data from several devices can be downloaded concurrently;... -
Page 25: Setting Up The Device
Complete device setup can be performed by the aid of the COMET Vision user software. During configuration editing the device can work normally, nevertheless the access to some functions (record download, contemporary configuration editing by other users) is limited. - Page 26 General - Preferences _____________________________ In this panel you can choose the unit with which the device will measure the temperature (Default temperature unit °C/°F). With some devices the pressure unit can be chosen, too (Default atmospheric pressure unit). When the device does not measure the atmospheric pressure, but when it is necessary to know its value to measure some quantities (calculated humidity and CO ), the atmospheric pressure value must...
- Page 27 10 minutes to save more battery life. For details concerning power consumption, see Technical parameters. Record _________________________________________ The choices that are available in this panel serve to control the device‘s recording functions. The recording function may be switched on and off when needed (Recording with interval).
- Page 28 values by means of the so-called User calibration are available in channels with voltage and current inputs only. In these inputs no physical quantity unit is displayed on the device’s LCD display. If a value cannot be displayed because of a great number of digits, it is substituted by an error message.
- Page 29 both cases add a custom text description of the status that the recipient will see in the message. Alarm events ____________________________________ The device makes it possible to evaluate alarm situations, which can either originate from the measurement data, or they can notify of a certain device condition (exceeding the memory occupancy limit, system alarms).
- Page 30 In this panel you can enable the alarm to be deleted and remotely deactivate the alarm signalling both from the COMET Vision software and from the device keypad. Furthermore, optical (LED) or acoustical alarm signalling can be enabled/disabled here.
- Page 31 Modem – Text message - General ____________________ In the case that the alarm condition persists for a longer time, determine whether the warning text message should be sent on the alarm inception only, or whether it should be repeated. The repetition interval can be pre-set in a range of 30 minutes to 24 hours.
- Page 32 This panel sets where and how often messages will be sent. In the URL field, enter the destination address where you want to send messages. For use with Comet Database, type the address of the SOAP server (e.g. http://192.168.1.1/soap). Summary _______________________________________ Printable summary of all device setting.
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Page 33: Application Notes
Application notes Operation with a constantly connected charger __________ Datalogger is primarily intended to be operated as an autonomous unit powered by its built-in batteries. Nevertheless, you can also operate it with a charger which is constantly connected to it, or with a computer. The datalogger’s internal charging circuitry controls the battery charging process based on its instantaneous condition, thus protecting it against damage. - Page 34 USB equipment in the computer. This may be corrected by closing the COMET Vision utility program (including the communication service) and starting it subsequently. Restart the computer, if the above mentioned measure is not the proper remedy. Check whether new HID equipment will appear in Device administrator after the device has been connected to the computer.
- Page 35 • If the blue diode does not start flashing at all, then the datalogger‘s radio section has not been activated at all. It may be caused by an improper setting: A non-functioning SIM card has been inserted, the SIM Card has been blocked because a wrong PIN has been entered, the alarm is not activated at all, no phone number is assigned to the alarm, and the like).
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Page 36: Recommendations For Operation And Maintenance
Recommendations for operation and maintenance Datalogger operation in several application areas________ Before putting the device into operation, it should be considered, if its usage is suitable for the intended purpose. In connection with this consideration the device‘s optimum settings should be determined. In the case that the device is part of a larger measurement system, instructions for its metrological and operational checks should be developed... - Page 37 Positioning of humidity sensors: The positioning of humidity sensors depends again on the application requirements. Humidity measurements in refrigerators without additional humidity stabilization can be very questionable. When the cooling is switched on/off, there may be significant changes in humidity in the range of tens of percent, even if the mean value is correct.
- Page 38 Service recommendations ________________________ Engineering support and service activities are provided by the device distributor. His contact person‘s address is given in the Certificate of warranty included with the product. WARNING - Unskilled intervention into the device may lead to loss of warranty! IE-LGR-UxxxxM-05...
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Page 39: Technical Parameters
Technical parameters Power supply The device is supplied from an internal Li-ion battery, which is placed under the rear cover. The battery may be replaced by the producer or an authorized service provider only. Battery _________________________________________ Battery model used: BAT26001S2P Li-ion 2 PACK US18650VTC5 5200 mAh SONY (2x 2600mAh) Operating lifetime relating to a single charge of the Li-ion accumulator:... -
Page 40: Usb Communication Interface
USB communication interface Compatibility: USB1.1 and USB 2.0 Connector: USB-C Measurement, data storage and real time circuitry Measurement Interval: 10 s as standard 1 s in fast mode 1 minute in economic mode Recording interval: (1 s, 2 s, 5 s, 10 s, 15 s, 30 s) 1 min, 2 min, 5 min, 10 min, 15 min, 30 min, 1 h, 2 h, 3 h, 4 h, 6 h, 8h, 12 h, 24 h You cannot select a shorter Recording interval than the... -
Page 41: Parameters Of Datalogger Inputs
T63 < 6 min, t90 < 15 min (temperature jump 20 °C, air circulation ca 1 m/s) Display resolution: 0.1 °C Recommended calibration interval: 2 years U0141M ________________________________________ Measured values: 4 x temperature sensed by an external Comet Pt1000/E series probe IE-LGR-UxxxxM-05... - Page 42 Temperature range: (-90 to +260) °C, Pt1000/3850 ppm sensor Measuring current: ca 0.5 mA with pulses of ca 60 ms length Input accuracy (without probes): ±0.2 °C in a range of -90 to +100 °C ±0.2 % of the measurement value in a range of +100 to +260 °C The accuracy of the device with a temperature probe connected to it is determined by the above input...
- Page 43 - non-linearity < ±1 %RH Dew-point temperature: ±1.5 °C at an ambient temperature of T< 25 °C and RV >30 %. For details see diagrams in Annex 4. (*2) Response time (air streaming velocity approx. 1 m/s) Temperature: t63 < 2 min, t90 < 8 min (temperature jump 20 °C) Relative humidity: t63 <...
- Page 44 U3631M ________________________________________ Measured values: Internal temperature, relative humidity. 1x External temperature measured by an external Comet Pt1000/E probe. Dew-point temperature calculated from the internal temperature and relative humidity. Difference of external temperature and dew point temperature. Ranges: Internal temperature: (-20 to +60) °C...
- Page 45 (*2) Response time (air streaming velocity approx. 1 m/s) Internal temperature: t63 < 2 min, t90 < 8 min (temperature jump 20 °C) Relative humidity: t63 < 45 s, t90 < 4 min, t99 <4 h. (humidity jump 30 % RV, constant temperature) Display resolution: Internal temperature incl.
- Page 46 U0843M ________________________________________ Measured values: 2 x temperature by an external Comet Pt1000/0 probe 2 x binary input intended for voltage to be applied to it or a voltage-free contact (an open-collector transistor) to be connected to it. This device is not suitable for latching the „voltage applied/not applied”...
- Page 47 Parameters of the voltage-free contact: Contact resistance in „switched-on“ state: < 10 kΩ Contact resistance in the „switched-off“ state: > 2 MΩ Excitation voltage: approx. 3 V Minimum state duration necessary for latching the state: 1s Input accuracy (without probes): ±0.2 °C in the range of -90 to +100 °C ±0.2 % of the measurement value in the range of +100 to +260 °C...
- Page 48 Range and input levels: Current input: Range: (0 to 20) mA DC Accuracy: ± 20 uA Resolution: better than 1 uA Input resistance: approx. 100 Ω Minimum current: 0 mA (open circuit) Maximum current: limited to approx. 40 mA Binary input configured for voltage measurements: Input voltage for the „L“...
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Page 49: Operating And Storage Conditions
counting inputs can be used as additional two binary ones. Input levels: Binary or counter input configured for voltage measurements: Input voltage for the „L“ level: < 0.8 V Input voltage for the „H“ level: > 2 V Minimum applicable voltage: 0 V Maximum applicable voltage: +30 V DC When the input is disconnected, the device will measure the „L“... -
Page 50: Mechanical Properties
Ca 250 g including batteries Case material: Polycarbonate LEXAN EXL1434T resin Ingress protection: U0110M, U0141M, U3120M, U3121M, U3631M: IP67 U4440M, U0843M, U6841M, U7844M: IP20 To reach this ingress protection, the device cover screws must be properly tightened, the USB connector must be provided with a closing cap, and all connector screws must be tightened. -
Page 51: Annexes
Annexes Annex 1: Selected error messages of the device Failure Description and debugging Value exceeding the hardware range (value too low). - The Pt1000 probe is short-circuited. Error 1 Check the probes connected and the signals applied. Value exceeding the hardware range (value too high). - The Pt1000 probe is broken. -
Page 52: Annex 2: Connection Of The Pt1000/E Series Probe Connector
Error Description and debugging The source value of the calculated quantities is not available. Check in the SW whether measurement values are Error 20 available (temperature and relative humidity) for this calculated quantity in question (e.g. the dew-point temperature). Error 21 Calculation failure, incorrect device calibration. -
Page 53: Annex 3: Connection Of The Digi/E Probe Connector
Annex 3: Connection of the Digi/E probe connector (female) Front view: Annex 4: Accuracy of the dew-point temperature measurement Annex 5: Connecting block Some inputs are equipped with a split self- locking WAGO connector block. Connect the wires to the block with either the supplied SP013 or a screwdriver corresponding to the size: insert a screwdriver into the connecting block’s angular opening situated above the... -
Page 54: Annex 6: Sms Message Format
Annex 6: SMS message format SMS message format for SYSTEM ALARM: The message header includes: SYSTEM ALARM<enter> „Description of the device DescDev“<enter>“ Depending on the type of alarm, the corresponding text: Data memory limit overflow, Battery warning, Battery empty, Battery Ok, External power lost, External power Ok;... - Page 55 The length of one message is limited to 160 characters, if there is a requirement to send more characters, the characters are divided into more messages. DataKeepAliveSMS format (suitable for automated data processing): All data coded into ASCII, it means 1 Byte will be sent as 2 ASCII characters. (hex.
- Page 56 HumanKeepAliveSms format: The Text of the message is gradually consisting of the items in the order below. The length of this report is limited to max 160 characters. If the message was longer, then it sends only the first 160 characters. The format of the message: - description of the device from the configuration: max.
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Page 57: Annex 7: Firmware Updates
Annex 7: Firmware updates FW version 0.0.102 changes: - Added option to set the format version of the sent JSON data, to support backward compatibility with older versions of evaluation systems. Initial version (FW 0.0.90), version 1 (FW 0.0.92, 0.0.93), version 2 (from FW 0.0.94), version 3 (from FW 0.0.101) - Modified method to sending SMS a JSON data messages: a) If there is some request to send JSON or SMS...
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