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COMET M1322 – Multilogger with integrated CO2 sensor, 2 MiniDIN + 2 terminals for Pt1000/DIGI T+RH

COMET M1322 – Ethernet Multilogger with integrated CO2 sensor (0–2000 ppm ±50 ppm + 2 %), 2 MiniDIN + 2 terminals for Pt1000/DIGI T+RH 

The COMET M1322 is a powerful Ethernet multilogger with integrated CO2 sensor and 4 universal inputs (2× MiniDIN + 2× terminals) – the professional solution for long-term measurement and recording of indoor air quality (CO2, temperature, humidity, dew point) and additional signals (Pt1000, DIGI T+RH, 0–10 V, 0–20 mA, binary signal, pulse counter). As a network-enabled datalogger with memory for 1 million measured values (non-cyclic) or 600,000 values (cyclic), it is ideally suited for air quality monitoring (CO2 up to 2000 ppm), warehouses, climate chambers, server rooms, offices, schools, hospitals, laboratories, greenhouses or industrial process control – wherever multiple parameters must be monitored, alarmed and remotely accessed simultaneously.

The internal CO2 sensor measures 0 to 2000 ppm (±50 ppm + 2 % of reading at 23 °C and 1013 hPa). The 2 MiniDIN inputs accept Pt1000 temperature probes (-200 to +600 °C, ±0.2 °C from -200 to +100 °C, ±0.2 % above), or DIGI T+RH probes for combined temperature/humidity measurement (dew point, absolute/specific humidity, mixing ratio, enthalpy). The 2 terminal inputs measure voltage (0–10 V ±10 mV), current (0–20 mA), binary signals, or pulses. The integrated web server enables live view, configuration, and data download via browser – no additional software required. Acoustic/optical alarm on threshold exceedance. The backlit LCD displays all channels simultaneously. The logger operates mains-independently (battery operation) or permanently via Ethernet. Recording interval from 1 s to 24 h – flexible for any application.

The multilogger is maintenance-free, long-term stable and supplied with a traceable calibration certificate (EN ISO/IEC 17025) – highest quality for GMP, ISO, and audits. The free PC software and web interface allow convenient evaluation. Battery life up to several months (depending on configuration). Whether as a stationary Ethernet logger in a control cabinet or as a portable battery-powered device – the M1322 offers maximum flexibility and reliability. The 4 inputs allow mixed operation, e.g. 2× Pt1000 + 1× DIGI T+RH + 1× voltage.

Why the COMET M1322 is the professional Ethernet multilogger with CO2:

  • Integrated CO2 sensor 0–2000 ppm – direct indoor air quality measurement
  • 4 inputs (2 MiniDIN + 2 terminals) – Pt1000, DIGI T+RH, 0–10 V, 0–20 mA, binary, counter
  • 1 million measured values memory – non-cyclic or cyclic
  • Ethernet & web server – remote access, live view, configuration via browser
  • Acoustic/optical alarm – instant warning on threshold exceedance
  • Min/Max memory & dew point/humidity values – all data calculated automatically
  • Backlit LCD – simultaneous display of all channels
  • Traceable calibration certificate included – EN ISO/IEC 17025
  • Mobile & stationary – battery or Ethernet operation
  • 3-year warranty – guaranteed COMET quality

Technical data M1322:

  • CO2 (internal): 0 to 2000 ppm (±50 ppm + 2 % of reading at 23 °C and 1013 hPa)
  • Temperature (external Pt1000): -200 to +600 °C (±0.2 °C from -200 to +100 °C / ±0.2 % above)
  • T+RH (external DIGI): according to connected probe
  • Dew point & humidity parameters: according to connected DIGI probe
  • Voltage (terminals): 0 to 10 V (±10 mV)
  • Resolution: 0.1 °C / 0.1 %RH / 1 ppm CO2
  • Channels: 4× universal (2 MiniDIN + 2 terminals)
  • Memory: 1,000,000 values (non-cyclic) / 600,000 values (cyclic)
  • Recording interval: 1 s to 24 h
  • Measuring interval / display update: 0.7 to 5 s
  • Alarm: acoustic + optical (adjustable thresholds)
  • Display: backlit LCD
  • Interface: Ethernet (web server, Modbus TCP)
  • Power supply: battery or Ethernet power adapter
  • Operating temperature: -10 to +60 °C
  • Protection class: IP20
  • Warranty: 3 years

Perfectly suited for:

  • Indoor air quality (CO2) in offices, schools, hospitals
  • Climate chambers and incubators
  • Warehouse and cold storage monitoring
  • Pharmaceutical and food production
  • Server rooms and data centers
  • Process control with multiple measuring points
  • Quality management & audits
  • Remote monitoring via Ethernet/web

Installation and operation – done in minutes

Connect probes, connect Ethernet or battery – done! Set intervals and limits, start recording – read out data via web or USB. The backlit display and acoustic alarm make operation safe and convenient. Calibration certificate included – ideal for audits and quality management.

Summary:

  • Battery-powered datalogger with integrated CO₂ sensor and 4 universal inputs for measuring temperature, humidity, voltage (0–10 V), current (0–20 mA), binary signals, and pulse counting
  • The multilogger can be permanently integrated into an Ethernet network or used as a mobile device
  • A traceable calibration certificate according to EN ISO/IEC 17025 is included
  • The device measures and records temperature, humidity, and CO₂ (internal sensor) with adjustable recording intervals from 1 second to 24 hours
  • The datalogger can be connected to an Ethernet network
  • The measured data can then be displayed in a web browser, saved, and downloaded for later analysis.

Scope of delivery:

  • M1322
  • User manual
  • Traceable calibration certificate
  • 3× rechargeable AA batteries
  • Power adapter
  • USB cable
  • Wall mount
  • Free full version of COMET Vision analysis software
  • External probes are not included in the delivery.
Datasheets
Datasheet 1

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Datasheet 1 (428.37 KB)
Datasheet 2

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Datasheet 2 (549.00 KB)
Datasheet 3

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Datasheet 3 (2.54 MB)
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Ethernet Multilogger – Thermo-Hygro-CO₂ measuring device with 2× MiniDIN and 2× terminals

Measured variables

  • Temperature
  • Relative humidity
  • Calculated values (e.g. dew point)
  • CO₂ concentration
  • Direct current (mA)
  • Direct voltage (V)
  • Binary signal (two-state)
  • Pulses / counter

Temperature sensor – external Pt1000 probe

  • Measuring range: −200 °C to +600 °C
  • Accuracy:
    • ±0.2 °C from −200 °C to +100 °C
    • ±0.2 % of reading from +100 °C to +600 °C
  • Resolution: 0.1 °C

Temperature and humidity sensor – external DIGI probe (T+RH)

  • Measuring range: according to connected DIGI/M probe
  • Accuracy: according to connected DIGI/M probe
  • Resolution: 0.1 °C

Dew point

  • Measuring range: according to connected DIGI/M probe
  • Accuracy: according to connected DIGI/M probe
  • Resolution: 0.1 °C

CO₂ sensor

  • Measuring range: 0 to 2,000 ppm
  • Accuracy: ±50 ppm + 2 % of reading at 23 °C and 1013 hPa
  • Resolution: 1 ppm

Direct voltage (DC)

  • Measuring range: 0 to 10 V
  • Accuracy: ±10 mV
  • Resolution: better than 100 µV

Direct current (DC)

  • Measuring range: 0 to 20 mA
  • Accuracy: ±20 µA
  • Resolution: better than 0.1 µA

Binary input

  • Input voltage for “On” level: <0.4 V / >2 V
  • Min./Max. input voltage: 0 V to +30 V DC
  • Input impedance:
    • “On” level: <10 kΩ
    • “Off” level: >300 kΩ

Counter input

  • Counter range: 24 bit (16,777,215), overflow allowed
  • Maximum input frequency: 200 Hz

Calculated values

  • Dew point
  • Absolute humidity
  • Specific humidity
  • Mixing ratio
  • Specific enthalpy

General technical data

  • Operating temperature: −10 °C to +60 °C
  • Channels:
    • Internal CO₂ sensor
    • 2× external temperature probes or connectable temperature/humidity probes
    • 2× binary, counter, voltage, and current inputs
  • Memory:
    • 1,000,000 values (non-cyclic recording)
    • 600,000 values (cyclic recording)
  • Logging interval: 1 s to 24 h
  • Display and alarm update: every 10 s
  • Recording mode:
    • Non-cyclic – recording stops when memory is full
    • Cyclic – oldest data overwritten when memory is full
  • Temperature units: °C, °F
  • Interfaces: Ethernet, USB, RS232
  • Ethernet protocols: WWW, SNMPv1, XML, DATALINK
  • Alarming: e-mail
  • Power supply: mains adapter 230 V AC / 5 V DC (required for Ethernet operation)
  • Battery life: approx. 3–4 weeks
  • Protection rating: IP20
  • Dimensions: 178 × 95 × 37 mm (without connectors and cables)
  • Weight (incl. batteries): approx. 380 g
  • Warranty: 3 years
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Manufacturer Information:

COMET SYSTEM, s.r.o.

Bezručova 2901

756 61 Rožnov pod Radhoštěm
Czech Republic

Phone: +420 571 653 990

Email: info@cometsystem.com

Responsible person:

Didactum® Security GmbH

Im Mühlenfeld 4

48163 Münster
Deutschland

Fon: (+49) 250 19 71 63 54 / (+49) 171 33 11 577

Email: info@didactum-security.de

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