Homepage | About PDS | Contact PDS | Sales Enquiry | Support Enquiry | Technical | Downloads | Business/Careers | Site map

Water

· · · · · · · · · · · · · · · · ·· · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

Water quality stations

Portable water monitors

Water quality sensors

Weather

Automatic weather stations

· · · · · · · · · · · · · · · · ·· · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·Weather sensors

Hand held meters

Air and Gas analysis

Indoor air quality

Flue & vehicle emissions

Dust monitoring

Data acquisition

dataTaker loggers

HACCP & temp loggers

Environmental monitors

Graphtec loggers

Systems & applications

Health and Safety

Breath alcohol detection

Speed awareness signs

Rugged PC's

GDI Rugged GoBooks

dataTaker DT80G data loggers

The versatile dataTaker DT80G GeoLogger is the answer you are looking for.

For All Geotechnical Projects!

Key DT80G Features

►   Vibrating Wire Support
►   Low Cost Per Channel
►   Expandable to 100 Channels
►   USB for data & program transfer
►   Built in communication
►   Strain Gauge Support
►   Carlson, Electro Level & LVDT support
►   Web & FTP client / server
►   Modbus
►   SDI-12
►   Designed & Manufactured in Australia

Generic Sensor Types

►   Inclinometer
►   Extensometer
►   Piezometer
►   Pressure Cell
►   Crack Meter
►   Tilt Meter

► A cost effective data logger expandable to 100 channels.

► Supporting vibrating wire and other Geotechnical sensors.

► Compatible with all major brands - Slope Indicator, RST Instruments, Geokon, Soil Instruments, Roctest, AGI - Applied Geomechanics Inc.

► Standalone or part of a network with powerful inbuilt communication options, allows access to data how or where you want.

► Includes USB memory stick support.

► Rugged design and construction provides reliable operation in the extremes of the geotechnical environment and applications.

► 5 analog channels capable of measuring up to 5 vibrating wire strain gauges with thermistors or 15 vibrating wire strain gauges without thermistors.

► Designed and manufactured in Australia to the highest quality standards.

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

Specifications

System

Display and Keypad

Type: LCD, 2 line by 16 characters, backlight.
Display Functions: channel data, alarms, system status.
Keypad: 6 keys for scrolling and function execution
Status LEDs: 3 for sample, disk and attention.

Firmware Upgrade

Via: RS232, Ethernet, USB coms. or USB disk.

Real Time Clock

Normal resolution: 200ms
Accuracy: +/-1 min/year (0^○C to 40^○C),
+/-4 min/year (-40^○C to 70^○C)

Power Supply

External voltage range: 10 to 30Vdc

Power Consumption

Normal mode: 5W (15V 330mA)
Charging flat battery: 12W (15V 800mA)
Sleep mode: 3mW (500uA from Internal 6V battery)

Internal Main Battery

Voltage (Capacity): 6V (1.2AHr) lead acid gel cell
Operating time: continuous sampling: 1 hour
10 minute sampling: 8 days
1 hour sampling: 21 days

Memory and Real Time Clock Battery

Voltage (Capacity): 3.6V (400mAHr) lithium, 1/2 AA

Physical and Environment

Construction: Powder coated zinc and
anodized aluminum
Dimensions: 181 x 136 x 63mm
Weight: 1.5kg (4kg shipping)
Temperature range: –45^○C to 70^○C *
Humidity: 85% RH, non-condensing
*reduced battery life and LCD operation
outside range –15^○C to 50^○C

Scheduling of Data Acquisition

Number of schedules: 11
Schedule rates: 10ms to days

Data Storage

Internal Store

Capacity: 64MB = approx 5,000,000 data points

Removable USB store device

Types: compatible with USB 1.1/2.0 e.g. Flash drive.
Capacity: approx. 90,000 data points per megabyte.

Communication Interfaces

Ethernet (10BaseT)

Protocols: TCP/IP (UDP, FTP)

Host RS232 Port

Speed: 300 to 115200 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),
Modbus, Serial Sensor

USB

Interface: USB 1.1 (virtual COM port)
Protocol: ASCII command

Digital Channels

Digital Input/Outputs

Number of channels: 8 Bi-directional channels for state & count input or state output.
Input Type: 8 logic level (max 30V).
Measure state or low speed counts (max 10Hz)
Low speed counters do no function in sleep mode.
Output Type: 4 with open drain FET (30V 100mA), 4 with logic output.

Relay Output

1 latching relay (30vdc, 1A max)

Dedicated Counter Inputs

Number: 4 high speed counters or 2 phase encoder quadrature) inputs. 100kHz max
2 Counters have 10mV sensitive inputs for magnetic pick-ups. Size: 32 bit

Serial Sensor Port
Interface: RS232, RS422m RS485
Speed: 300 to 57,600 baud
Flow Control: Hardware (RTS/CTS),
Software (XON/XOFF), None
Protocols: Modbus, Serial Sensor

Network (TCP/IP) Services

Uses Ethernet and/or Host RS232 (PPP) ports

Command Interface

Access the ASCII command interface of the DT80 via TCP/IP

Web Server

Access current data and status from any web browser.
Custom pages can be defined. Download data in CSV
format. Command interface window. Define mimic displays.

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

Analog Inputs

5 analog input channels (expandable to 100)
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.
The following maximums apply.
Two wire with common reference terminal:
15 (expandable to 300)
Two wire isolated: 10 (expandable to 200)
Three and four wire isolated: 5 (expandable to 100)
*Expansion requires optional CEM20

Fundamental Input Ranges
The fundamental inputs that the DT80 can measure are voltage, current, resistance and frequency.
All other measurements are derived from these.

Full Scale

Resolution

Full Scale

Resolution

+/-30 mVdc

+/-300 mVdc

+/-3 Vdc

+/-30 Vdc

+/-0.3 mA

+/-3 mA

+/-30 mA

0.25 mV

2.5 mV

25 mV

250 mV

2.5 nA

25 nA

250 nA

100 Ω

1000 Ω

10,000 Ω

100 Hz

10 kHz

1.5 mΩ
15 mΩ
150.00 mΩ
0.0002 %
0.0002 %

Auto-ranging is supported over 3 ranges.

Accuracy

Measurement at ...

5^○C to 40^○C

-45^○C to 70^○C

DC Voltage

DC Current

DC Resistance

Frequency

0.1%

0.15%

0.1%

0.35%

0.45%

0.35%

0.25%

Accuracy table above is % of reading +/-0.01% of full scale.

Multiplexer (Input Selector)

Relay Multiplexer – provides isolation between inputs
Input impedance: 100K, 1M or >100M, programmable
Common mode range: +/-3.5V or +/-35V on 30V range

Sampling

Integrates over 50/60Hz line period for accuracy and
noise rejection
Maximum sample speed: 25Hz
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 impedance: 100KΩ, >100MΩ
Common mode range: ±3.5V or ±35V on 30V range

Sensor Excitation (Supply)

Analog channels: selectable 250μA or 2.5mA precision current
source, 4.5V voltage source, or switched external supply.
General Purpose: Switchable 12V regulated supply for
powering sensors & accessories. (max 150mA)

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 is provided including polynomials, expressions and functions.

Vibrating Wire

Frequency range: 500 to 5kHz
Coil resistance: 50 to 200Ω
Stimulation method: single pulse pluck

Strain Gauge and Bridge Sensors

Configurations: ¼ , ½ & full bridge
Excitation: voltage or current

Thermocouples

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

RTD's

Materials supported: Pt, Ni, Cu
Resistance range: 10 to 10K

Monolithic Temperature Sensors

Types supported: LM34 - 60, AD590, 592, TMPxx

Bridge Sensors

Configurations: ¼ , ½ & full bridge
Excitation: voltage or current

4-20mA Current Loop

Shunt value: 100Ω to a shared common or
external shunt 20Ω – 200Ω resistor

Calculated Channels

Combine values from analog, digital and serial sensors using expressions involving variables and functions.
Functions: sin(), cos(), tan(), asin(), acos(), atan(), abs(), sqrt(), average, maximum, minimum, time of max, time of min, variance, integral, histogram, rainflow
fatigue analysis)

Alarms
Condition: high, low, within range and outside range
Delay: optional time period for alarm response
Actions: set digital outputs, execute any dataTaker command, transmit message

Accessories Included

Resource CD: includes software, video training and user manual
Comms Cable: USB cable
Line adaptor: input: 110/240Vac output: 15VDC 800mA

Sub category:

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

Category Downloads:

DT81 brochure· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

Next G modem brochure

Radio modem brochure

Homepage | About PDS | Contact PDS | Sales Enquiry | Support Enquiry | Technical | Downloads | Business/Careers | Site map

dataTaker DT80G data loggers

The versatile dataTaker DT80G GeoLogger is the answer you are looking for.

For All Geotechnical Projects!

Key DT80G Features

Generic Sensor Types

► Inclinometer ► Extensometer ► Piezometer ► Pressure Cell ► Crack Meter ► Tilt Meter

► A cost effective data logger expandable to 100 channels.

► Supporting vibrating wire and other Geotechnical sensors.

► Compatible with all major brands - Slope Indicator, RST Instruments, Geokon, Soil Instruments, Roctest, AGI - Applied Geomechanics Inc.

► Standalone or part of a network with powerful inbuilt communication options, allows access to data how or where you want.

► Includes USB memory stick support.

► Rugged design and construction provides reliable operation in the extremes of the geotechnical environment and applications.

► 5 analog channels capable of measuring up to 5 vibrating wire strain gauges with thermistors or 15 vibrating wire strain gauges without thermistors.

► Designed and manufactured in Australia to the highest quality standards.

Specifications

System

Display and Keypad

Type: LCD, 2 line by 16 characters, backlight.Display Functions: channel data, alarms, system status.Keypad: 6 keys for scrolling and function executionStatus LEDs: 3 for sample, disk and attention.

Firmware Upgrade

Via: RS232, Ethernet, USB coms. or USB disk.

Real Time Clock

Normal resolution: 200msAccuracy: +/-1 min/year (0○C to 40○C),+/-4 min/year (-40○C to 70○C)

Power Supply

External voltage range: 10 to 30Vdc

Power Consumption

Normal mode: 5W (15V 330mA)Charging flat battery: 12W (15V 800mA)Sleep mode: 3mW (500uA from Internal 6V battery)

Internal Main Battery

Voltage (Capacity): 6V (1.2AHr) lead acid gel cellOperating time: continuous sampling: 1 hour10 minute sampling: 8 days1 hour sampling: 21 days

Memory and Real Time Clock Battery

Voltage (Capacity): 3.6V (400mAHr) lithium, 1/2 AA

Physical and Environment

Construction: Powder coated zinc andanodized aluminumDimensions: 181 x 136 x 63mmWeight: 1.5kg (4kg shipping)Temperature range: –45○C to 70○C *Humidity: 85% RH, non-condensing*reduced battery life and LCD operationoutside range –15○C to 50○C

Scheduling of Data Acquisition

Number of schedules: 11Schedule rates: 10ms to days

Data Storage

Internal Store

Capacity: 64MB = approx 5,000,000 data points

Removable USB store device

Types: compatible with USB 1.1/2.0 e.g. Flash drive.Capacity: approx. 90,000 data points per megabyte.

Communication Interfaces

Ethernet (10BaseT)

Protocols: TCP/IP (UDP, FTP)

Host RS232 Port

Speed: 300 to 115200 baud (57,600 default)Flow Control: Hardware (RTS/CTS),Software (XON/XOFF), NoneHandshake lines: DCD, DSR, DTR, RTS, CTSModem support: auto-answer and dial outProtocols: ASCII Command, TCP/IP (PPP),Modbus, Serial Sensor

USB

Interface: USB 1.1 (virtual COM port)Protocol: ASCII command

Digital Channels

Digital Input/Outputs

Number of channels: 8 Bi-directional channels for state & count input or state output.Input Type: 8 logic level (max 30V).Measure state or low speed counts (max 10Hz)Low speed counters do no function in sleep mode.Output Type: 4 with open drain FET (30V 100mA), 4 with logic output.

Relay Output

1 latching relay (30vdc, 1A max)

Dedicated Counter Inputs

Number: 4 high speed counters or 2 phase encoder quadrature) inputs. 100kHz max2 Counters have 10mV sensitive inputs for magnetic pick-ups. Size: 32 bit

Serial Sensor PortInterface: RS232, RS422m RS485Speed: 300 to 57,600 baudFlow Control: Hardware (RTS/CTS),Software (XON/XOFF), NoneProtocols: Modbus, Serial Sensor

Network (TCP/IP) Services

Uses Ethernet and/or Host RS232 (PPP) ports

Command Interface

Access the ASCII command interface of the DT80 via TCP/IP

Web Server

Access current data and status from any web browser.Custom pages can be defined. Download data in CSVformat. Command interface window. Define mimic displays.

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

Analog Inputs

Fundamental Input RangesThe fundamental inputs that the DT80 can measure are voltage, current, resistance and frequency.All other measurements are derived from these.

Full Scale

Resolution

Full Scale

Resolution

+/-30 mVdc

+/-300 mVdc

+/-3 Vdc

+/-30 Vdc

+/-0.3 mA

+/-3 mA

+/-30 mA

► Inclinometer
► Extensometer
► Piezometer
► Pressure Cell
► Crack Meter
► Tilt Meter

Type: LCD, 2 line by 16 characters, backlight.
Display Functions: channel data, alarms, system status.
Keypad: 6 keys for scrolling and function execution
Status LEDs: 3 for sample, disk and attention.

Normal resolution: 200ms
Accuracy: +/-1 min/year (0^○C to 40^○C),
+/-4 min/year (-40^○C to 70^○C)

Normal mode: 5W (15V 330mA)
Charging flat battery: 12W (15V 800mA)
Sleep mode: 3mW (500uA from Internal 6V battery)

Voltage (Capacity): 6V (1.2AHr) lead acid gel cell
Operating time: continuous sampling: 1 hour
10 minute sampling: 8 days
1 hour sampling: 21 days

Construction: Powder coated zinc and
anodized aluminum
Dimensions: 181 x 136 x 63mm
Weight: 1.5kg (4kg shipping)
Temperature range: –45^○C to 70^○C *
Humidity: 85% RH, non-condensing
*reduced battery life and LCD operation
outside range –15^○C to 50^○C

Number of schedules: 11
Schedule rates: 10ms to days

Types: compatible with USB 1.1/2.0 e.g. Flash drive.
Capacity: approx. 90,000 data points per megabyte.

Speed: 300 to 115200 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),
Modbus, Serial Sensor

Interface: USB 1.1 (virtual COM port)
Protocol: ASCII command

Number of channels: 8 Bi-directional channels for state & count input or state output.
Input Type: 8 logic level (max 30V).
Measure state or low speed counts (max 10Hz)
Low speed counters do no function in sleep mode.
Output Type: 4 with open drain FET (30V 100mA), 4 with logic output.

Number: 4 high speed counters or 2 phase encoder quadrature) inputs. 100kHz max
2 Counters have 10mV sensitive inputs for magnetic pick-ups. Size: 32 bit

Serial Sensor Port
Interface: RS232, RS422m RS485
Speed: 300 to 57,600 baud
Flow Control: Hardware (RTS/CTS),
Software (XON/XOFF), None
Protocols: Modbus, Serial Sensor

Access current data and status from any web browser.
Custom pages can be defined. Download data in CSV
format. Command interface window. Define mimic displays.

Access current data and status from any Modbus client
(e.g. SCADA system)

Fundamental Input Ranges
The fundamental inputs that the DT80 can measure are voltage, current, resistance and frequency.
All other measurements are derived from these.

1.5 mΩ
15 mΩ
150.00 mΩ
0.0002 %
0.0002 %

5^○C to 40^○C

-45^○C to 70^○C

Relay Multiplexer – provides isolation between inputs
Input impedance: 100K, 1M or >100M, programmable
Common mode range: +/-3.5V or +/-35V on 30V range

Integrates over 50/60Hz line period for accuracy and
noise rejection
Maximum sample speed: 25Hz
Effective resolution: 18 bits
Linearity: 0.01%
Common mode rejection: >90dB
Line series mode rejection: >35dB

Inter-Channel Isolation: 100V (relay switching)
Analog Section Isolation: 100V (opto-isolated)
Input impedance: 100KΩ, >100MΩ
Common mode range: ±3.5V or ±35V on 30V range

Analog channels: selectable 250μA or 2.5mA precision current
source, 4.5V voltage source, or switched external supply.
General Purpose: Switchable 12V regulated supply for
powering sensors & accessories. (max 150mA)