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manufacturer of measuring instruments
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GSM temperature, humidity, CO2 and atmospheric pressure data logger with built-in sensors and modem

code: U4440M

GSM datalogger is designed to record temperature, humidity, atmospheric pressure and CO2. In case of exceeded set limits, SMS and JSON messages can be sent via GPRS data connection. It is 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 USB-C.

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

Included in delivery:


Technical data

Value
Measured value Temperature
Relative humidity
Counted values (dew point…)
CO2
Atmospheric pressure
TEMPERATURE SENSOR
Measuring range -20 to +60 °C
Accuracy ±0.4 °C
Resolution 0.1 °C
TEMPERATURE SENSOR - external probe Pt1000
Measuring range -90 to +260 °C
Accuracy ±0.2 °C (-50 to +100 °C);
±0.2 % from reading from +100 to +260 °C;
±0.4 % from reading from -90 to -50 °C
Resolution 0.1 °C
HUMIDITY SENSOR
Measuring range 0 to 100 % RH
Accuracy ± 1.8 % RH
Resolution 0.1% RH
DEW POINT
Measuring range -90 to +60 °C
Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
Resolution 0.1 °C
CO2 SENSOR
Measuring range 0 to 2000 ppm
Accuracy ±(50ppm +2% from reading) at 25°C and 1013hPa
Resolution 1 ppm
ATMOSPHERIC PRESSURE SENSOR SENSOR
Measuring range 600 to 1100 hPa
Accuracy ±1.3 hPa at 23 °C from 800 to 1100 hPa
Resolution 0.1 hPa
GENERAL TECHNICAL DATA
Operating temperature -20 to +60 °C
Channels internal sensor for temperature, humidity, CO2 and atmospheric pressure
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. 250 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

Meteorology - 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, JSON, acoustic, 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