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dataloggers, thermometers, hygrometers...
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IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in GSM modem

GSM datalogger is designed to record from four binary inputs or from two pulse and two binary inputs. In case of exceeded set limits, SMS and JSON messages can be sent via GPRS data connection. Measured values can be sent to the internet storage COMET Cloud, which is a complete monitoring, alarm and analysis system.

It is also possible to set the regular sending of JSON messages to COMET Database, the sending interval is adjustable. Alarms are also indicated locally by LED, LCD and acoustically by built-in beeper.
The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via included USB-C cable.

GSM datalogger inputs can be set up for four binary inputs or two binary inputs and two pulse counters.

The device includes Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.

  • code
    U7844M
  • Warranty
    3 years
  • $755

Technical data

Measured value

Two-state signal
Pulses

BINARY INPUT

Parameters of the voltage contact „L“ level input voltage:< 0,4 V(*);
„H“ level input voltage:> 2 V;
Minimum voltage applicable:0 V;
Maximum voltage applicable:+30 V DC
Parameters of the voltage-free contact Contact resistance in „switched-on“ state:< 10 kOhm;
Contact resistance in the „switched-off“ state:> 300 kOhm;
Contact voltage in the „switched-off“ state:ca 3 V;
Minimum state duration necessary for latching the state:1s

COUNTER INPUT

Counter parameters Range 24 bits (16 777 215), possibility of letting the counter overflow
Maximum pulse frequency configured for voltage input - max. 5kHz
configured for a voltage-free or open-collector transistor - max. 200Hz

GENERAL TECHNICAL DATA

Operating temperature -20 to +60 °C
Channels 4x binary input nebo 2x binary input a 2x counter
Memory 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
Recording interval adjustable from 1 s to 24 h
Display and alarm refresh adjustable 1 s, 10 s, 1 min
Recording mode noncyclic - data logging stops after filling the memory
cyclic - after filling memory oldest data is overwritten by new
Real time clock year, leap year, month, day, hour, minute, second
Power battery SONY LiIon 5200mAh
Protection class IP20
Dimensions 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
Weight (including batteries) approx. 270 g
Warranty 3 years

Features

Applications:

Aplikace - Zdravotnictví a laboratoře

Healtcare and laboratories - Monitoring of storage areas at temperatures up to -200 °C.

Aplikace - Sklady

Food industry - Monitoring of critical processes according to the HACCP standard with the possibility of prompt notification of unforeseen events that could lead to the degradation of the goods.

Aplikace - Monitorování v průběhu přepravy

Goods transport - Complete temperature monitoring during transport of pharmaceuticals, foodstuffs, flowers, ...

Aplikace - Průmysl

Industry and production - monitoring temperature and humidity in food, pharmaceutical, aerospace etc.

Aplikace - Sklady

Production facilities and warehouses - Monitoring of storage conditions and production processes in the temperature range -200 ° C to + 600 ° C. Sending data to COMET Database or SCADA third-party systems.

Aplikace - Serverovny a datová centra

Metrology - COMET sensors together with COMET radiationshields are the ideal basis for weather stations for long-term weather, climate and air monitoring.

Aplikace - Serverovny a datová centra

Data centers, server rooms - Temperature and humidity monitoring, data center monitoring, RACK stands, including flood status reports, opening / closing of doors (windows), motion, smoke. SNMP monitoring, remote alarms by email and Syslog.

Aplikace - Automatizace budov a HVAC

Building management - Our instruments which measure temperature, humidity, atmospheric pressure and CO2 are an integral part of these industry-leading solutions.

Features description:

* the features may vary depending on the device type
● accurate measurement of temperature, humidity, dew point, events,
● nonvolatile memory for 500 000 records
● indication of alarm via SMS, 3-colours LEDs
● easy to use software for data analysis on PC
● communication interfaces - USB-C snd GSM modem
● rugged design
● long battery life up to 6 years
● logger deployment down to -40°C
 
Warranty 3 years Traceable calibration certificate COMET Database Data report Datalogger Temperature sensor Humidity sensorTwo-state inputs2 line LCDInternal memory
 
Alarm SMSAlarmWirelessBattery powerRecheargeable batteryIP protection
 
 

Optional accessories and download

Other accessories

Self Adhesive Dual Lock

Self Adhesive Dual Lock

code MD036
Price $5
In stock 283 pcs
Holder for mounting the GSM or CO2 Datalogger on magnetic surfaces

Holder for mounting the GSM or CO2 Datalogger on magnetic surfaces

code LP103
Price -
In stock 5 pcs
wall holder for datalogger - kopie

wall holder for datalogger - kopie

code LP100
Price $35
In stock on request
AC/DC adapter 230Vac to 5Vdc/2.1 A

AC/DC adapter 230Vac to 5Vdc/2.1 A

code A1879
Price -
In stock 283 pcs
USB-C cable, 1 meter

USB-C cable, 1 meter

code MP053
Price $20
In stock 556 pcs
Power detector SP008

Power detector SP008

code SP008
Price $25
In stock 31 pcs
Accupack A8205 for dataloggers "U"

Accupack A8205 for dataloggers "U"

code A8205
Price -
In stock on request

Monitoring Software

COMET Cloud

COMET Cloud

code cloud
Price -
In stock yes
COMET Vision - Software for Dataloggers and Multiloggers

COMET Vision - Software for Dataloggers and Multiloggers

code CV
Price $1
In stock yes
Comet Database

Comet Database

code CDB
Price $370
In stock yes

Software

download-icon Comet Vision Software (2.1.7508.16081 dbapi 19.0)
15.10 MB
download-icon Comet Database One Click Installer (19.0-III)
324.96 MB
download-icon Conversions - application for recalculation of values
694.50 KB

Manuals

download-icon Instruction Manual
2.51 MB
download-icon Manual for Calibration (accuracy verification) and Adjustment for Dataloggers Uxxxx(M)
427.80 KB
download-icon Quick Start Manual
670.12 KB
download-icon Safety Information
146.34 KB
download-icon Declaration of Conformity
93.50 KB

Catalogs

download-icon CATALOG - Dataloggers
3.58 MB
download-icon CATALOG - GSM loggers
3.00 MB

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