DT82E

DT82E - Datalogger for environment (low power consumtion)

The DT82E is a robust, low power data logger featuring USBmemory stick support, 18-bit resolution, extensive communicationscapabilities and built-in display. The dataTaker DT82E's DualChannel concept allows up to 4 isolated or 6 common referencedanalog inputs to be used simultaneously in various combinations.With advanced networking capability (FTP and Web interface), oneSDI-12 sensor channel (supporting up to 10 sensors) and switchable12V regulated output to power sensors, the DT82E is ready to bedeployed.

Features

  • USB memory for easy data & program transfer
  • Dual Channel Isolation Technology
  • Serial 'Smart Sensor' port
  • User definable allocation of memory size & mode
  • Web Interface
  • FTP for automatic data transfer
  • Modbus for SCADA connection
  • 1x SDI-12 port for up to 10 sensors
  • Up to 6 Analog (± 30V) sensor inputs
  • 8 Flexible Digital channels
  • Internal storage 128MB for up to 10.000.000 data points

New dEX App for Tablets!

dEX Tablet App for Android and iPad platforms has beenreleased.

Following on from our dEX web-based software, the dEX Appprovides

convenient access to DT8X range loggers via your Tablet.

The dEX App offers users a fully featured version of the dEXweb-based

software for use on a tablet platform. The dEX App has beenlaunched in

conjuntion with our latest firmware release for our DT8X series2 & 3

range.

The new dEX App makes it more convenient that ever to manageyour logger

configurations and monitor your logger data either via yourcorporate

network or directly via your modem logger. The dEX App allowsnumerous

loggers to be setup with their data in reach and accessible withjust a

touch of the screen.

 

Analog Channels

2 to 6 analog channels

Multiplexer (Input Selector)


Relay Multiplexer
Input impedance:
100KΩ, 1MΩ or >100MΩ, programmable
Common mode range: ±3.5V or ±35V on 30V range
Note: cannot mix low voltage (e.g. thermocouples) with
high voltage (e.g. 0-10V) inputs.

Sampling:


Sampling for accuracy and noise rejection by integrating
over 50/60Hz line period.
Maximum sample speed: 25Hz
Effective resolution: 18 bits
Linearity: 0.01%
Common mode rejection 30mV range: >90dB
Line (50/60Hz) series mode rejection: >35dB

Sensor Excitation


Each channel:
4.5V, 250μA or 2.5mA or Switched external supply.

Sensor Support


Supports a wide range of sensors including, but not
limited to, those listed below. A wide range of sensor
scaling and linearising facilities including polynomials,
expressions and functions.

Thermocouples


Types: B, C, D, E, G, J, K, N, R, S, T
Calibration standard: ITS-90

RTDs


Materials supported: Pt, Ni, Cu
Resistance range: 10Ω to 10KΩ

Digital Channels


Digital Input/Outputs:
Number of channels: 4 Bi-directional channels for
state & count input or state output.
Input Type: 4 logic level (max: 10Hz, 3 x 30V, 1 x 20V)
Measure state or low speed counts
Low speed counters do not function in sleep mode.
Output Type: 3 with open drain FET
(max: 30V, 100mA), 1 with logic output.

Relay Output


1 latching relay (max: 30Vdc, 1A)

Dedicated Counter Inputs


Number: 4 high speed counters or 1 phase encoder
(quadrature) inputs (max: 10kHz, 2 x ±30V, 2 x ±10V).
2 Counters have 10mV sensitive inputs for magnetic pick-ups.
Size: 32 bit

SDI-12 Channels


Number: 1 SDI-12 input, shared with digital channel.

Serial Sensor Channel


One channel available and programmable to allow data
to be logged from smart sensors and data streams.
Shared with Host Port: RS232 only*
Handshake lines: RTS, CTS
Baud rate: 300 to 115200


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