Omega Products OM-SQ2020-1F8 User Manual

Portable Data Logger

OM-CP-SQ2020

8 True Differential

or 16 Single-Ended Universal Analog Inputs for Voltage, Current or Resistance Measurements Plus 2 High Voltage, 4 Pulse and 8 Digital Event/State Inputs

Analog Inputs Can Be

Used With Thermistors, Thermocouples, 2-, 3- or 4-Wire RTD Temperature Sensors and 4 to 20 mA Signals

Logging Rates of Up to

100 Hz on Up to 2 Channels (On the OM-SQ2020-2F8)

Large Non-Volatile Internal

Memory Storage for Up to

1.8 Million Readings

Ethernet (On the

OM-SQ2020-2F8), Wi-FI (On the OM-SQ2020-2F8-WIFI) USB and RS232 Communication Ports

Download of Internal Data

to Removable MMC/SD (Multi- Media Card/Secure Digital) Memory

Sensor Power and FET

Outputs for Use with External Devices

Easy-to-Read LCD and Simple

4 Push Button User Interface

Up to 16 Calculated/Derived

Channels Can Be Created Using Mathematical Functions

The OM-SQ2020 Series of hand held data loggers combines high performance, powerful features and universal inputs in a compact and easy-to-use instrument.

Using high accuracy 24-bit analog to digital converters, removable memory and Ethernet networking (on the OM-SQ2020-2F8), the OM-SQ2020 Series is the ideal data logger for industrial, scientiﬁc research and quality assurance applications. Together with our comprehensive suite of software, the OM-SQ2020 provides standalone data acquisition, real-time metering and data analysis straight out-of-the-box.

†

Optional

OM-SQ2020-2F8-WIFI data logger, shown smaller than actual size.

Input Connections

The OM-SQ2020-1F8 data logger has a single analog to digital converter (A/D) which corresponds to inputs on blocks A through to D. Each connection block will accept up to 2 differential inputs or up to 4 single ended inputs (it is not possible to mix single- ended and differential inputs on a block). The OM-SQ2020-2F8 data logger has two analog to digital converters (A/D’s) which increases logging ﬂexibility over the OM-SQ2020-1F8 model. The ﬁrst corresponds to inputs on blocks A and B and the second corresponds to inputs on blocks C and D. Each connection block will accept up to 2 differential inputs or up to 4 single-ended inputs (it is not possible to mix single ended and differential inputs on a block).

Concurrent Sampling

The OM-SQ2020 Series uses multiple analog to digital converters that enables true concurrent sampling and logging.

This allows the user to conﬁgure a channel to log at a rate of 100 Hz (20 Hz on OM-SQ2020-1F8) while retaining different sample speeds on other channels. This makes the OM-SQ2020 Series ideal for measuring dynamic parameters that change at different rates such as temperature and pressure.

Communications

Ethernet (on OM-SQ2020-2F8), Wi-Fi (on OM-SQ2020-2F8-WIFI), USB and RS-232 serial ports are built-in. This allows simple connection to either a PC based TCP/IP network, a wireless to PC connection or to a GSM modem for remote data downloading. This ﬂexibility enables global data access and retrieval as well as complete system integration of the OM-SQ2020 series into complex and critical applications.

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Input Channels

Analog Input Channel Options OM-SQ2020-1F8 OM-SQ2020-2F8

Analog to digital converters 1 2

Differential 8 8 Single ended 16 16

3 or 4 wire 0 4

Additional Channels

Pulse (2x fast—64 kHz) and (2 x slow—100 HZ) (2x fast—64 kHz) and (2 x slow—100 HZ) Event/Digital 8 state inputs of 1 x 8 bit binary 8 state inputs of 1 x 8 bit binary High Voltage 2 2 Internal Channels 1 temperature 1 temperature

Multiple Conﬁgurations Stored in the Data Logger

Up to six logger conﬁgurations (channel type, names, logging speeds, triggers etc), together with the current conﬁguration, can be held in the logger’s internal memory. Additional conﬁguration settings can also be loaded from the external MMC/SD memory card. This allows the operator to quickly and easily between logger conﬁgurations

without the need for

switch

a PC.

Comprehensive Software Conﬁguration

The OM-SQ-SOFT software (supplied with the OM-SQ2020 series data loggers) allows logger conﬁguration, data download and data export while giving the user full control over the OM-SQ2020.

The optional OM-SQ-SOFT-PLUS software gives the user access to many advanced data analysis and data archiving/transfer features. The optional OM-SQ-SOFT-PLUS software lets you quickly and easily analyze the data from your OM-SQ2020 data logger in a familiar explorer style interface. Data can be displayed with 2 different auto scaling Y-axis. This is particularly useful when displaying widely varying data from different sensors on one graph.

You can also zoom in on areas of interest, use a cursor to pick out exact values, times and dates, get a statistical summary of your data, set high and low alarm thresholds and, using the calculation function, you can create new virtual channels from existing channels.

Standard Ranges for dc Voltage

Each voltage channel can be any of the voltage ranges below. Mixed differential and single ended conﬁgurations are permitted. Please refer to our technical notes for the permitted combinations of inputs.

High Voltage Voltage Range Voltage Range Input Ranges*

-0.075 to 0.075V -3.0 to 3.0V 4.0 to 20.0V

-0.15 to 015V -6.0 to 6.0V 4.0 to 40.0V

-0.3 to 0.3V -6.0 to 12.0V 4.0 to 60.0V

-0.6 to 0.6V -6.0 to 25.0V

-0.6 to 1.6V

-0.6 to 2.4V

* Max of 2 may be selected

The OM-SQ-SOFT-PLUS software also incorporates a report generation facility, which allows you to create custom report templates consisting of a title page with descriptive text, headers and footers, graphs, tabular list of data, statistics and data logger setup information. Templates can be setup with any of these combinations and saves time when preparing similar presentations of data.

OM-SQ-SOFT Windows software (included with OM-SQ2020 data loggers) displays data in graphical or tabular format.

Standard Ranges for Temperature Channels

Each channel can be individually set to any of the ranges to IEC751

Input Type Range °C Range °F

Y & U: Thermistor ** -50 to 150 -58 to 302 Pt100/P1000* -200 to 850 -328 to 1562

* 2 wire only on OM-SQ2020-1F8 ** or user-deﬁned thermistor (enter Steinhart-Hart coefﬁcients or RT pairs)

Thermocouple Type Range °C Range °F

-200 to 1372 -328 to 2501

-200 to 400 -328 to 752

-200 to 1200 -328 to 2192

-200 to 1300 -328 to 2372

listed: Pt100 to IEC751 and JIS1604 and Pt1000

-50 to 1768 -58 to 3214

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