Description
The DT82E Environmental Data Logger
The new DT82E Environmental Data Logger Series 4 version has increased sampling speed, measurement range, and programmable analog output.
$2,075.00
Normal delivery 1-2 weeks
The new DT82E Environmental Data Logger Series 4 version has increased sampling speed, measurement range, and programmable analog output.
| Analog Channels | |
|---|---|
| Analog Channels | 2 analog input channels Each channel is independent and supports: one isolated 3-wire or 4-wire input, or two isolated 2-wire inputs, or three common referenced 2-wire inputs 2 Wire w/ Com. Ref. Terminal: 6 Channels 2 Wire Isolated: 4 Channels 3 or 4 Wire Isolated: 2 Channels |
| Fundamental Input Ranges | The fundamental inputs that the DT82E can measure are voltage, current, resistance and frequency. All other measurements are derived from these. |
| Sampling | Integrates over 50/60 Hz Line Period for Accuracy and Noise Rejection Maximum Sample Speed: 40 Hz Effective Resolution: 18 Bits Linearity: 0.01% Common Mode Rejection: >90dB Line Series Mode Rejection: > 35dB |
| Inputs | Inter-channel Isolation: 100V (relay switching) Analog Section Isolation: 100V (opto-isolated) Input impedence: 160KΩ, >100MΩ Current mode range: ±3.5V or ±55V (attenuator on/off) |
| Sensor Excitation (Supply) | Analog Channels: Selectable 2µA, 213µA or 2.5mA Precision Current Source 4.5V Voltage Source or Switched External Supply General Purpose: Switchable 12V/5V Regulated Supply for Powering Sensors & Accessories (Max. 150mA) |
| Analog Output | Isolated programmable 16-bit DAC: voltage 0-10V or current 0-24mA |
| Analog Sensors | |
|---|---|
| Thermocouples | Type: 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 1MΩ |
| Thermistors | Type: YSI 400xx Series, other Types* Resistance Range: Up to 1MΩ * Other Thermistor Types are Supported by Thermistor Scaling and Calculated Channels |
| Monolithic Temperature Sensors | Type: LM34 – 60, AD590, AD592, TMPxx, LM135, LM235, LM335 |
| Strain Gauge and Bridge Sensors | Configurations: 1/4, 1/2 & Full Bridge Excitation: Voltage or Current |
| 4-20mA Current Loop | Internal 100Ω Shunt or External Shunt Resistor |
| Digital Channels | |
|---|---|
| Digital Input/Outputs | 4 Bi-Directional Channels Digital Input Type: 4 Logic Level (Max. 20/30 Volts) Digital Output Type: 3 With Open Drain FET (Max. 30V, 100mA), 1 with Logic Output |
| Relay Output | 1 Latching Relay, contacts (Max: 30Vdc, 1A) |
| Counter Channels | |
|---|---|
| Low Speed Counters | 4 Counters Shared with Digital Inputs 32 Bit Size, 10 Hz Max Count Rate Low Speed Counters do not Function in Sleep Mode |
| Dedicated Counter Channels | 4 High Speed Inputs 32 Bit Size, 100kHz Max Count Rate 2 Logic Level Inputs (Max ±30V) 2 Sensitive Inputs (10mV) for Magnetic Pick Ups (Max. ±10V) |
| Serial Channels | |
|---|---|
| SDI-12 | 1 SDI-12 Inputs, Shared with Digital Channels — Each input can support multiple SDI-12 Sensors |
| Generic Serial Sensor | Flexible Option for Logging From Wide Range of Smart Sensors and Data Streams
Available ports: Host RS232 Port* |
| Calculated Channels | |
|---|---|
| General | Combine values from analog, digital and serial sensors using expressions involving variables and functions. |
| Functions | Arithmetic, Trigonometric, Relational, Logical and Statistical |
| Alarms | |
|---|---|
| Condition | High, Low or Within Range and Outside Range |
| Delay | Optional Time Period for Alarm Response |
| Actions | Set Digital Outputs, Transmit Message, Execute any DataTaker Command. |
| Scheduling of Data Acquisition | |
|---|---|
| Number of schedules | 11 |
| Schedule rates | 10ms to days |
| Data Storage | |
| Internal Data Storage | Capacity: 128mb = approx 10,000,000 data points |
| Removable USB storage device | Type:compatible with USb 1.1 or USB 2.0 drivers, e.g. Flash drive Capacity: approx 90,000 data points per megabyte |
| Communication Interfaces | |
|---|---|
| Ethernet Port | Interface: 10BasteT (10Mbps) Protocol: TCP/IP, Modbus (Master & Slave) |
| Host RS232 Port | Speed: 300 to 115,200 Baud (57,600 Default) Flow Control: Hardware (RTS/CTS), Software (XON/XOFF), None Handshake Lines: DCD, DSR, DTR, RTS, CTS Modem Support: Auto-Answer and Dial Out Protocols: ASCII Command, TCP/IP (PPP), Serial Sensor, Modbus |
| Network TCP/IP Services | |
|---|---|
| Network | Ethernet and/or Host RS232 (PPP) Communication Ports |
| Command Interface | Access the ASCII command interface via TCP/IP |
| Modbus Server(slave) | Access current data and status from any Modbus client (e.g. SCADA system) |
| FTP Server | Access logged data from any FTP client or web browser |
| FTP Client | Automatically upload logged data direct to an FTP server. |
| System | |
|---|---|
| Display and Keypad | Type: LCD, 2 Line by 16 Characters, Backlight Functions: Channel Data, Alarms, System Status Keypad: 6 Keys for Scrolling and Function Execution Status LEDs: 4 (Sample, Disk, Attention, Power) |
| Firmware Upgrade | Via: RS232, Ethernet, USB or USB disk. |
| Real Time Clock | Normal resolution: 200µs Accuracy: ±1 min/year (0°C to 40°C), ±4 min/year (-40°C to 70°C) |
| Power Supply | External Voltage Range: 10 to 30 Volts DC Internal battery: 6Vdc 1.2Ahr lead acid Peak Power: 12 W (12VDC 1A) |
| Average power Consumption | Using 12Vdc external power source 1 Sec Sampling: 1350 mW 5 Sec Sampling: 500 mW 30 Sec Sampling: 135 mW 5 Min Sampling: 70 mW 1 Hr Sampling: 60 mW |
| Physical Environment | |
|---|---|
| Construction | Powder Coated Steel & Anodized Aluminum |
| Dimensions | 180 x 137 x 65mm |
| Weight | 1.5kg (4kg shipping) |
| Operating Range | Temperature: -45°C to 70°C (Reduced LCD Operation Outside Range: -15°C to 50°C) Humidity: 85% RH, Non-condensing |
| Resources Included | |
|---|---|
| Resource CD | Includes software, video training and user manual |
| Comms cable | USB cable |
| Line adapter | 110/240Vac to 15 Vdc, 800mA |
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