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Did you know that Comet exists in a US version as well?

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manufacturer of measuring instruments
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Sixteen Channel Data Logger with Alarms

code: MS55D

The complete solution for monitoring of temperature, humidity, pressure, CO2, voltage, current, pulses, events and other signals. Configurable inputs and outputs.


Data loggers are designed for measuring, recording, evaluation and subsequent processing of input electrical signals, which are subject to relatively slow changes (> 1s). In conjunction with the appropriate sensors and transducers are suitable for monitoring physical quantities.

The device includes traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO / IEC 17025. The calibration sheet is always loaded as modules.
If the defined required configuration of inputs by, calibration certificate proves calibration inputs according to the required configuration - more than one range for each of the 16 inputs.

Technical data

Value
Measured value Temperature
Relative humidity
Counted values (dew point…)
Current
Voltage
Two-state signal
Pulses
Frequency
Resistance
Event logging
GENERAL TECHNICAL DATA
Operating temperature 0 to +50 °C
Channels 1 to 16 hardware modules
Memory 2MB (up to 480 000 values)
Memory type internal SRAM, backed-up by Lithium battery
Recording interval adjustable individually for all input channels from 1 second to 24 hours
Recording interval 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, backed-up by Lithium battery
Resolution of the AD converter (analog channels) 16 bits, conversion duration approximately 60ms/channel
Communication speed 9600, 19200, 57600, 115200 Bd, 230400* Bd (* pro USB, Ethernet)
Power 9 to 30Vdc, 24Vdc recommended
Protection class IP20
Dimensions (including connectors) 215 x 225 x 60 mm
Weight approx. 800 g
Warranty 3 years

Parameters of configurable inputs

Range Accuracy Description Module type Module type - galvanically isolated
CURRENT - DC
4 to 20 mA

4 to 20 mA

0 to 20 mA

0 to 1 A

0 to 5 A
±0.1% FS with source approximately 21V for two-wire transducers with current loop (g.g. temperature and humidity transducers COMET); only galvanic not isolated





for passive sensing of current, Rin = 14 Ohms


input resistance Rin = 0.04 Ohms
A0

A1

B0

B1

B2
-

A1G

B0G

B1G

B2G
CURRENT - AC
0 to 20 mA

0 to 1 A

0 to 5 A
±1% FS galvanic isolated, sinusoidal signal at a frequency of 50 Hz input resistance Rin by type 0.04 Ohm to 14 Ohms C0

C1

C2
-

-

-
VOLTAGE - DC
0 to 100 mV

0 to 1 V

0 to 10 V

0 to 75 V

-10 to +10 V
±0.1% FS






±0.1% FS (± 20 mV)
input resistance Rin by a 900 kOhms to 10 Mohms D0

D1

D2

D4

D5
D0G

D1G

D2G

D4G

D5G
VOLTAGE - AC
0 to 100 mV

0 to 1 V

0 to 10 V

0 to 50 V
±1% FS only galvanice isolated, sinusoidal signal at a frequency of 50 Hz input resistance Rin by type 700 KOhms to 10 Mohms E0

E1

E2

E4
-

-

-

-
RESISTANCE
must be specified ±0.1% FS two-wire connection F FG
TEMPERATURE PROBES Ni1000
-50 to +250 °C

-50 to +250 °C
±0.2 °C (-50 to +100 °C)

±0.2% MH (100 to 250 °C)
Ni1000/6180 ppm, two-wire connection

measuring current of approximately 0.25 mA continuously
J JG
TEMPERATURE PROBES Pt100
-140 to +600 °C ±0.2 °C (-140 to +100 °C)

±0.2% MH (+100 to +600 °C)
Pt100/3850 ppm, two-wire connection

measuring current of approximately 2 mA continuously
K KG
TEMPERATURE PROBES Pt1000
-140 to +600 °C



-10 to +50 °C
±0.2 °C (-140 to+100 °C)

±0.2% MH (+100 to +600 °C)

±0.06 °C
Pt1000/3850 ppm, two-wire connection

measuring current of approximately 0.2 mA continuously

Pt1000/3850 ppm, two-wire connection
K1



K3
K1G



-
THERMOCOUPLE K (NiCr-Ni)
-70 to +1300 °C ±0.3% MH + 1.5 °C linearized, cold junction compensation, datalogger must be placed in recommended working position N NG
THERMOCOUPLE T (Cu-CuNi)
-200 to +400 °C ±0.3% MH + 1.5 °C linearized, cold junction compensation, datalogger must be placed in recommended working position T TG
THERMOCOUPLE J (Fe-Co)
-200 to +750 °C ±0.3% MH + 1.5 °C linearized, cold junction compensation, datalogger must be placed in recommended working position O OG
THERMOCOUPLE S (Pt10%Rh-Pt)
0 to +1700 °C ±0.3% MH +1.5 °C (+200 to +1700 °C) linearized, cold junction compensation, datalogger must be placed in recommended working position P PG
THERMOCOUPLE B (Pt30%Rh-Pt)
+100 to +1800 °C ±0.3% MH+1,0 °C (+300 to +1800 °C) linearized, without cold junction compensation Q QG
BINARY SIGNAL
binary signal

binary signal
maximum resistance of closed contact is 1000 Ohms; minimum duration for recording is 200 ms

voltage for H state is 3 V to 30 Vdc @ 9 mA max; minimum duration for recording is 200 ms; galvanically isolated
S

S1
SG

-
PULSE COUNTER
31 bit, 5 kHz max.



voltage change of the counter state is 3 V to 24 Vdc; backup power, filter bouncing; galvanically isolated



CTU



-



FREQUENCY
0 to 5 kHz

0 to 5 kHz
±(0.2% MH + 1Hz); resolution 1Hz

±(0.2% MH + 1Hz); resolution 1Hz
input voltage for H: 3 V to 24 Vdc @ 7 mA; minimum duration of input pulse: 30 µs; galvanically isolated

maximum resitstance of closed contact is 10 kOhms; minimum open contact resistance is 250 kOhms; minimum duration of input pulse: 30 µs
FU

FK
-

-
RS485
digital transmission input supports Modbus RTU or Advantech; connected devices must have the same communication parameters; input can work with up to 16 devices; galvanic isolated, MS can be equipped with multiple RP modules RP -

Features

Device enables:

  • to measure and process 1 to 16 input signals
  • to acquire autonomous time record of measured values
  • create alarm states
  • to perform other actions based on created alarms (audible, visual indication, controlling of relay outputs, sending SMS message, controlling of telephone dialer, sending of messages via several protocols of the Ethernet interface etc.)
  • to monitor on-line measured values and states
  • independent hysteresis setting, delay (for each channel separately)
  • setting up to four alarm conditions (for each channel separately)

Applications:

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.

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 - Zdravotnictví a laboratoře

Registration of temperature, carbon dioxide (CO2) and other critical parameters in the context of GLP or GMP regulations.

Aplikace - Průmysl

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

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 - Věda a výzkum

Registration and tracking of processes, registration of various parameters.

Common connectivity options:

Monitoring system MS may be configured for almost any desired measurement application. Sensors can be wired to datalogger in star-like connection as well as in serial. Combination of both is also possible. The monitoring system MS is characterized by a wide range of communication interfaces such as the RS232, RS485, USB, Ethernet and GSM or GPRS modem. Thanks to Wi-Fi routers several measuring systems MS can be wirelessly connected to a network.

 
● modular inputs for temperature sensors Pt and Ni, thermocouples and thermistors, voltage and current, two-state events, frequency and pulses, resistance, sensors with RS485 output
● memory for 500 000 records with automatic downloading to PC
● alarm indication via integrated siren, e-mail, SMS and two-state output to control other devices
● software for data analysis on PC
● communication interface USB, RS232, relays, RS485 (Modbus RTU), ETHERNET (Modbus TCP, SOAP, etc.)
 
Záruka 3 roky Kalibrační list 16 kanálů Teplota Relativní vlhkost CO2 Tlakové čidlo Rosný bod Dvouřádkový LCD displej Protokoly - Ethernetové rozhraní
 
Protokoly - Ethernetové rozhraní Protokoly - SNMP Protokoly - Rychlé stahování dat Protokoly - SOAP Protokoly - Syslog Protokoly - E-mail Protokoly - XML soubor Protokoly - Displej ústředny Protokoly - Zabezpečený WEB server Protokoly - SNMP Trap
 
Protokoly - Databázový systém Protokoly - WWW vzdálené podmínky
 

Optional accessories


Temperature range: -30 to 80 °C

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