Omega Engineering OM-SQ2020 Series, OM-SQ2040 Series manual Specifications

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9. Specifications

ANALOG INPUTS

 

 

Basic accuracy (5-45°C):

± (0.05% readings + 0.025% range)

Common mode rejection:

100dB

Input impedance:

> 1MOHM

Linearity:

0.0015%

 

Series mode line rejection:

50/60Hz 100dB

DIGITAL INPUTS

 

 

Zero input voltage

0 to 0.5V (or shorted input)

One input voltage

2.7 to 5V (or open circuit input)

Input protection

will turn on below about -0.5V and above about 6V

ANALOG-DIGITAL CONVERSION

 

 

Type:

Sigma-Delta

Resolution:

24bit

Sampling rate:

Up to 20/100 readings per second

 

Note: 100Hz Mode not available on 1F8 models

ALARM OUTPUTS

4 x open drain FET (18V 0.1A Max)

SENSOR POWER SUPPLY

Regulated 5 VDC (50mA) or supply voltage (100mA)

TIME AND DATE

In built clock in 3 formats

SCALING DATA

Displays readings in preferred engineering units

MEMORY

 

 

Internal:

16Mb (Up to 1,800,000 readings)

External:

Up to 256Mb removable MMC/SD memory card

RESOLUTION

Up to 6 significant digits

PROGRAMMING/LOGGER SET-UP

..........OMEGALOG® or OMEGALOG® Plus software

COMMUNICATION

USB 1.1 and 2.0 / RS232

External options:

GSM, Ethernet and wireless

POWER SUPPLY

 

 

Internal:

6*x AA Alkaline batteries

External:

10-18VDC Reverse polarity and over-voltage protected

* Maximum operating temperature for supplied alkaline batteries is 50°C

Version 1.2 - October 08

28923

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Contents Page Page Contents Hardware Checklist General Information Installing the batteriesPower indicator Serial RS232 Installing the SoftwareCommunicating with your Logger USB Version 1.2 October 28923 Quick Start Example Startup Omegalog and Select Logger TypeSynchronise Logger & PC Synchronise clocksRunning Quick Start Demo Assistant OmegaLOG Version 1.2 October 28923 Download Process Explained Menu and Navigation Control PanelControl panel menu Connections Analog Inputs Sensor Power Wiring Socket Wiring PIN External Memory Card ReaderAccessories GSMPower supplies Cables for connecting data loggers to computers/modemsOmegalog Plus Multi-User License Current ShuntsSpecifications Power Consumption @ Dimensions and WeightLogger Display and KeypadPersonal Notes