- 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 RS-232 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, realtime metering and data analysis straight out-of-the-box.
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).
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.
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.
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 switch between logger configurations without the need for 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. 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.
ANALOG INPUT Accuracy: See Chart on PDF
Common Mode Rejection: 100 dB
Input Impedance: >1 MÙ
Series Mode Line Rejection: 50/60 Hz 100 dB
Connections: Detachable screw terminal blocks
ANALOG DIGITAL CONVERSION
Sampling Rate: Up to 10, 20* or 100* readings per second per ADC
* With mains rejection off
4 x open drain FET (18 V 0.1 A)
Digital I/O Connections: DB25F connector
Up to 16 virtual channels derived from physical input channels
RESOLUTION Up to 6 significant digits
OM-SQ-SOFT or OM-SQ-SOFT-PLUS software; Software compatible with WIN 98/2000/XP/VISTA
(32-bit & 64-bit)/7 (32-bit & 64-bit)
Standard: RS-232 (automatic baud rate selection to 115200 baud) Ethernet 10/100 base TCP/IP USB 1.1 and 2.0 compatible
Wireless Ethernet: (Wi-Fi); 802.11b, 2.4GHz, 1 to 14 channels. Security: Open, WEP (64 or 128bi encryption), WPA or WPA2/802.11i, Network: Infrastructure only with specified SSID (external power pack required for Wi-Fi connection).
External Options: GSM, WIFI and PSTN Modems
Internal: 6 "AA" alkaline batteries (included) External: 10 to 18 Vdc reverse polarity and over-voltage protected
POWER CONSUMPTION @ 9V
Sleep Mode: 600 µA
Logging: 40 to 130 mA
DISPLAY AND KEYPAD
2 line x 20 character LCD display; battery state and external power indicator; keypad lock
Arm/disarm/pause/continue; meter any channel or alarm; select from up to 6 x pre-stored setups;
status/diagnostics/memory/time and date; download to MMC/SD
Temperature: -30 to 65°C (-22 to 149°F)
Humidity: 90% at 40°C non-condensing
Power Output for External Device: Regulated 5 Vdc at 50 mA or logger supply voltage at 100 mA
Time and Date: Built-in clock in 3 formats
Scaling Data: Displays readings in preferred engineering units
Internal Memory: 16 MB (Up to 1,800,000 readings)
External Memory: Up to 1GB - removable MMC/SD (for transferring internal memory and storing setups only)
175 H x 235 W x 95 mm D (6.9 x 9.3 x 3.7")
Weight: Approx. 1.2 kg (2.6 lb)
Enclosure Material: ABS
Memory Modes (Internal Only): Stop when full or overwrite
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