Technical data
Measured value
Temperature
Relative humidity
Counted values (dew point…)
Atmospheric pressure
Current
Voltage
Two-state signal
Pulses
TEMPERATURE SENSOR - external probe Pt1000
Measuring range -200 to +600 °C
Accuracy ±0.2 °C (-200 to +100 °C);
±0.2 % from reading from +100 to +600 °C
Resolution 0.1 °C
TEMPERATURE+HUMIDITY SENSOR - external probe T+RH DIGI
Measuring range according to the connected probe Digi/M
Accuracy according to the connected probe Digi/M
Resolution 0.1 °C
DEW POINT
Measuring range according to the connected probe Digi/M
Accuracy according to the connected probe Digi/M
Resolution 0.1 °C
ATMOSPHERIC PRESSURE SENSOR
Measuring range 600 hPa to 1100 hPa
Accuracy ±1,3 hPa at 23 °C
Resolution 0.1 hPa
DC VOLTAGE
Measuring range 0 to 10 V
Accuracy ±10 mV
Resolution better than 100 µV
DC CURRENT
Measuring range 0 to 20 mA
Accuracy ±20 µA
Resolution better than 0,1 µA
BINARY SIGNAL
Input voltage for level “switched on”/ <0,4 V/> 2 V
Minimum/maximum input voltage 0 V/+30 V DC
I mpedance of the “switched on”/ < 10 kOhm/> 300 kOhm
COUNTER INPUT
Range of counter 24 bit (16 777 215) the counter overflow can be allowed
Maximum input frequency 200 Hz
GENERAL TECHNICAL DATA
- Operating temperature: -10 to +60 °C
- Channels: internal atmospheric pressure sensor, 2x external temperature probe or connectable temperature+humidity probe, 2x binary, counter, voltage and current input
- Counted values: dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
- Memory: 1 000 000 values (noncyclic record), 600 000 values (cyclic record)
- Recording interval: 1s to 24 hours
- Display and alarm refresh: each 10 s
- Recording mode: noncyclic - data logging stops after filling the memory cyclic - after filling memory oldest data is overwritten by new
- Available temperature units: degrees Celsius, degrees Fahrenheit
- Communication interface: Ethernet, USB, RS232
- Ethernet communication protocols: WWW, SNMPv1, XML, DATALINK
- Alarm protocols: E-Mail
- Power: AC adapter 230Vac/5Vdc (neccessary for Ethernet interface)
- Battery life: 3 - 4 weeks
- Protection class: IP20
- Dimensions (without connectors): 178 x 95 x 37mm, without attached cables
- Weight (including batteries): approx. 380 g
- Warranty: 3 years
Features
Up to 4 physical inputs - 2x TERMINALS + 2x MiniDin
Sensors with voltage output (range 0-10 V; accuracy ±10 mV)
Sensors with current output (range 0-20 mA; accuracy ±20 µA)
Devices with dual-state output (potential-free contact or 0-30 V voltage signal); can be applied to input 3 and 4
Devices with pulse signal (potential-free contact or 0-30 V voltage signal); can be applied to input 4
Pt1000 temperature probes with built-in configuration memory (xxx/M series)
Temperature/relative humidity probes with digital output - DigiS/M, DigiL/M, DIGIH/M
Probes are interchangeable without calibration to a specific device and regardless of cable length. The cable length can be 1, 2, 5, 10, 15 meters.
Internal barometric pressure sensor (range 600 - 1100 hPa; accuracy ±1.3 hPa at 23 °C)
Evaluation of up to 16 variables
Up to 16 variables can be calculated from the four connected probes/sensors. This is the sum of the measured and calculated values. The calculated values can be a further expression of humidity: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. It can also be the result of conversions between channels, for example the difference of two connected temperature probes.
The measured values are stored in the internal non-volatile memory. The memory capacity is up to 1 million values. The recording mode can be set as non-cyclic, when recording stops after filling the memory, or cyclic, when after filling the memory the oldest stored values are overwritten with the new ones.
The measured values are displayed on the display with backlight option and the possibility of changing the size of the display digits
Power supply
Multilogger can be operated with an AC adapter or with rechargeable batteries with charging capacity. The batteries are always part of the device (you can also use standard AA alkaline batteries). The batteries power the device for several months.
While using the AC adapter, the batteries provide backup operations and allow recording and measurement during a power failure. Thanks to the Ethernet output, the device reports the failure via an e-mail message.
Alarm limits and alarm indication
It is possible to set two independent alarm limits for each channel (i.e. measured or calculated value).
Alarm signalling can be acoustic (built-in buzzer), optical, by sending an alert by email or an alarm output. The alarm output is for connecting an external visual or audio alarm.
Communication interfaces
Multilogger is always equipped with a USB connector for
communication, data analysis and also for charging the rechargeable batteries. Multilogger - Alarm limits
Sends an email when an alarm state begins or ends
Uses DATALINK: displays current values or downloads values from memory to the COMET database on your PC. COMET Database software contains many useful tools for data analysis: graphs, tables, statistics, etc.
Simple wireless communication with TP-LINK Wi-Fi router
Third-party apps to read actual measured values using universal SNMPv1 and XML protocols
View current measured values using your web browser
ALARM OUT output
put can be used to control other devices when the alarm is triggered, such as an external buzzer, telephone dialer, etc.
Output type: open collector transistor
Maximum switching current: 100 mA
Maximum voltage at output: 24 V
Auxiliary voltage at terminal: +5 V (only when mains supply is present)
Users can receive alarms if values go outside the set parameters. Alarms are indicated via an internal buzzer, 3 LEDs or email alerts via the Ethernet port.
