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Cellular

GOES

900MHz

Teledesign TS4000 900MHz UHF/VHF

eTracker
True cloud-based sensor configuration, logging, reporting and data analysis all-in-one.

Bluetooth

Shark (RS232/RS485 Bluetooth Serial Adapter)

Software

Stevens-Connect
A cloud-based interface to configure hardware, visualize data, analyze measurements, manage alarms, calculations, and set up data routing.


MEASUREMENTS TO MIND (M2M) is a growing suite of Stevens products that embraces cloud-computing with an all-inclusive vision of shortening the communication path from the sensors to data on-line. That is, what the sensors MEASURE the MIND sees.


The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.

Power

SOLO (smart SDI-12 power manager)
JL-2 (solar charge controller)
Batteries
Power Supplies
Solar Panels

SOLO
Smart SDI-12 power manager that also provides remote power cycling.


The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.


The product finder lets you explore our catalog visually and filter products by type of monitoring, manufacturer, and more.


DLight

Flexible and versatile data logger

Part # 93750-100

dlight

The Stevens DLight is a flexible and versatile data logger, ideally designed for applications that don’t require as many inputs or outputs as the DataLogIC 3000. Four single-ended analog input channels are available and feature voltage surge and lightning protection to help protect sensitive instruments in areas with storm activity.

Supported measurement and sensor types include temperature, 0-5 VDC, 4-20mA, and pulse inputs for tipping buckets—with programmable logging and reporting intervals. The DLight provides a 24 VDC loop power supply with sufficient current to drive sensors.

The DLight provides several popular data bus I/O’s including; SDI-12, one RS-232 port (Tx only), and USB 2.0. It also features an SD card slot for storing up to two gigabytes of sampled data.

The DLight supports connection to telemetry over the RS-232 port for reporting data over cellular, UHF/VHF, or satellite systems such as GOES.

  • Inputs: Analog, Pulse, SDI-12 (up to 12 SDI-12 sensors)
  • Outputs: V-out, Alarm, RS-232
  • Simple telemetry configuration
  • High-speed USB 2.0 port
  • SD memory card slot
  • Multi-lingual Windows software for easy configuration and diagnostics, tabular analysis and data export
  • User-controllable channel and parameter names

Datalogger Comparison

Which Stevens data logger is right for your application?

FEATURE

Sensor inputs

DATALOGIC 3000

9 analog (0-5V & 4-20mA) / 1 pulse / 1 SDI-12

4 analog (0-5V & 4-20mA) / 1 pulse / 1 SDI-12

Sensor power

24 VDC, 12 VDC, 5 VDC, (12VDC & 24VDC under firmware control)

Memory

Internal 2 GB flash / removable 2 GB SD Card

Serial ports

DATALOGIC 3000

2 RS-232 / 1 USB 2.0

1 RS-232 / 1 USB 2.0

Output

1 control output 0 – 5 V (steady state or pulse)

Touchscreen display option

DATALOGIC 3000

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Technical Specifications

Key Features

Processor

16-bit TI MSP430, and two 16-bit dsPIC microprocessors

On-board data storage

2 GB internal FLASH storage, plus removable 2 GB on SD memory card

Non-volatile memory

All setup parameters and clock, lithium battery backup

Real-time clock

Accurate to ±1 minute/month, leap year correction

Watchdog timer

System resets upon microprocessor failure

Digital to analog (0-5 VDC) output

12-bit resolution

Serial ports

  • One (1) RS-232 (Tx only), minimum ±5 VDC levels, 1200 to 115K baud
  • One (1) USB 2.0 (fully compatible with USB 1.0 devices)

Power requirements

9.6 to 16 VDC, 7 mA standby current (telemetry system will require additional power)

Logging interval

1 minute to 24 hours

Message size

6 - 340 bytes typical

Sensor Input

Sensor input selections

4 analog channels, single-ended
Input type: 2 wire, 4 - 20 mA current loop, or 0 - 5 V with accessable DIP switch
Sensor power: 24 VDC (under firmware control), 12 VDC and 5 VDC (fixed)

Accuracy & resolution

0.01% accuracy, 0.002% resolution

Analog to digital (0-5 VDC)

21-bit resolution
Input impedance: 10 K ohm (min)

Pulse counter

Input type: pulse
Sensor power: 5 or 12 VDC continuous
Maximum rate: 60 pulses per minute

Serial

Input type: SDI-12 (up to 12 sensors)
Sensor power: 12 VDC continuous

Switched excitation voltage

24V/5W for 4-20mA sensor power

Environmental

Temperature and humidity

Operating: -40°F to 158°F (-40°C to 70°C)
Optional NEMA 4 enclosure: 100% condensing
Aluminum enclosure: 95% non-condensing

Physical size

5.53" x 3.06" x 1.95" (14.05 cm x 7.77 cm x 4.96 cm)