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manufacturer of measuring instruments
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GSM temperature and humidity data logger for external probe with built-in modem

code: U3121M

GSM data logger is designed to record temperature and humidity from expternal probe. 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.
The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via USB-C.

The temperature and humidity probe is not included in delivery, probe of the appropriate length and design you can choose in optional accessories.

The device 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…)
Temperature measuring range according the probe
Construction Type ambient Air
Accuracy of temperature measurement according the probe
Resolution of the reading 0.1°C
Response time t90 of temperature measurement (temperature step 20°C, air flow approximately 1m/s) according the probe
Relative humidity measuring range according the probe
Accuracy of relative humidity measurement according the probe
Response time t90 of relative humidity measurement (humidity step 30%RH, constant temperature) according the probe
Dew point temperature measuring range according the probe
Real time clock year, leap year, month, day, hour, minute, second
Data logging interval adjustable from 1s to 24h
Display and alarm refresh adjustable 1 s, 10s, 1min
Total memory capacity 500 000 values in noncyclic logging mode, 350 000 values in cyclic record mode
Data logging mode noncyclic - data logging stops after filling the memory, cyclic - after filling memory oldest data is overwritten by new
Power Battery SONY LiIon 5200mAh)
IP protection IP67 - protected against influence of temporary immersion into water
Dimensions 61x93x53, with antenna 120x93x53
Weight including battery 260 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, 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
 
 

Optional accessories