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- 16 true differential or 32 single ended universal analog inputs for voltage, current or resistance measurements plus 2 high voltages, 4 pulse and 8 digital event/state inputs
- High precision (0.05%)
- Advanced data management, to MMC/SD or PC
- Flexible communications (USB, Ethernet, RS232)
- High speed option (100Hz on 4 channels)
- Various Remote connection options e.g. via Ethernet or dial up modem
- User selectable logging rates of up to 100Hz on up to 4 channels
- Large non-volatile internal memory – data retention is virtually indefinite
- Sensor power and FET outputs for use with external devices
- Comprehensive access to information using the 2 line, 20 character LCD and button panel
- Calculated channels derived from real channels using advanced mathematical functions e.g. log(x); ln(x); sqrt(x)
******* 3 year warranty ****** |
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- Standalone data logger or link to a PC
- Compact and portable
- 16 to 32 universal analog plus 8 digital inputs
- 16 derived/calculated channels
- 4 alarm outputs
- Configured via integral interface or via PC
- 0.05% basic accuracy
- Up to 1.8 million readings
- In built Ethernet networking capability
- USB and RS232 connectivity
- Thermistors
- Thermocouples
- Pt100/Pt1000 (maximum of eight 3- or 4-wire Pt100/1000 sensors - model 4F16 only)
- Voltage
- Current
- Resistance
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The Squirrel 2040 series provide high performance universal data loggers packed with the same powerful features as the Squirrel 2020 series with additional high speed logging on up to four channels and twice as many universal input channels. This provides great flexibility to handle a wide range of complex and demanding multi-channel applications such as high-speed vehicle testing or engine monitoring.
The Squirrel 2040 series are easy, fast and convenient to use - either as portable, stand-alone loggers or as PC-linked data acquisition systems in industrial testing and research, scientific and environmental research and quality assurance applications.
Twin processors, multiple 24-bit A to D converters, up to 32 universal channels, removable Multi Media (MMC) or SD card memory and a choice of communications methods ensure that the Squirrel 2040 series provides state-of-the-art data logging and communication capability for sophisticated applications needs. |
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Concurrent sampling:
The SQ2040 series uses multiple analogue to digital converters that enables true concurrent sampling and logging. This allows the user to configure up to 4 channels to log at a rate of 100Hz , while retaining different sample speeds on other channels. This makes the SQ2040 series ideal for measuring dynamic parameters that change at different rates such as temperature and pressure
Multiple configurations stored in the 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.
Communications:
Ethernet, USB and RS232 serial ports are built-in. This allows quick connection to either a PC based TCP/IP network, a wireless to PC connection or to a modem for remote data downloading. This flexibility enables global data access and retrieval as well as complete system integration of the SQ2040 series into complex and critical applications
Comprehensive software configuration via SquirrelView:
The SquirrelView software (supplied with the SQ2040 series data loggers) allows logger configuration, data download and data export whilst giving the user full control over the SQ2040. The optional SquirrelView Plus gives the user access to many advanced data analysis and data archiving/transfer features.
Please refer to our separate SquirrelView data sheet for all its advanced features. |
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|||||||| Click here for General Specifications
| SQ2040 Handheld Data Logger |
| Analog Input Channels SQ2040 - 2F16 |
| No. of channels |
16 true differential or 32 single ended universal analog inputs for voltage, current or resistance |
| Analog to Digital Converters |
2 |
| 3 or 4 wire |
0 channels |
| Analog Input Channels SQ2040 - 4F16 |
| No. of channels |
16 true differential or 32 single ended universal analog inputs for voltage, current or resistance |
| Analog to Digital Converters |
4 |
| 3 or 4 wire |
8 channels |
| Additional Channels |
| Pulse |
(2 x fast – 64kHz) & (2 x slow – 100Hz) |
| Event / digital |
8 state inputs or 1 x 8 bit binary |
| High voltage |
2 |
| Internal channels |
2 temperature |
| Standard ranges for temperature channels: |
| Each channel can be individually set to any of the ranges listed below. Pt100 to IEC751 and JIS1604 and Pt1000 to IEC751. |
| Y & U: Thermistor |
-50 to 150°C ( -58 to 302°F ) |
| Pt100/Pt1000* |
-200 - 850 °C ( -328 to 1562 °F ) |
| *2 wire only on 1F8 |
| Thermocouples |
| K: Thermocouple |
-200 to 1372 °C ( -328 to 2501 °F ) |
| T: Thermocouple |
-200 to 400 °C ( -328 to 752 °F ) |
| J: Thermocouple |
-200 to 1200 °C ( -328 to 2192 °F ) |
| N: Thermocouple |
-200 to 1300 °C ( -328 to 2372 °F ) |
| R & S: Thermocouple |
-50 to 1768 °C ( -58 to 3214 °F ) |
| Voltage Ranges |
| -0.075 to 0.075V
-0.15 to 015V
-0.3 to 0.3V
-0.6 to 0.6V
-0.6 to 1.2V
-0.6 to 2.4V |
-3.0 to 3.0V
-6.0 to 6.0V
- 6.0 to 12.0V
-6.0 to 25.0V |
4.0 to 20.0V
4.0 to 40.0V
4.0 to 60.0V |
| Current range |
| (External 10Ω shunt) |
-30.0 to 30.0mA
4 to 20mA |
| Resistance Ranges |
| Resistance range
2 wire |
0.0 to 1250.0 Ω
0.0 to 5000.0 Ω
0.0 to 20000.0 Ω
0.0 to 300000.0 Ω |
| Resistance range
3 - 4 wire (2F8 version) |
0.0 to 500.0 Ω
0.0 to 4000.0 Ω |
| Analog inputs: Accuracy & Resolution |
| A/D Resolution |
24 bit |
| Sampling rate: |
Up to 10, 20* or 100* readings per second per ADC. |
| Accuracy: |
± (0.05% readings + 0.025% range) |
| Resolution: |
Up to 6 significant digits |
| Common mode rejection: |
100dB |
| Input impedance: |
> 1M Ω |
| Linearity: |
0.015% |
| Series mode line rejection: |
50/60Hz 100dB |
| Logging Speeds: |
1 sec to 1 day in 1 sec increments
2, 5, 10, 20 or 100Hz
(20Hz or 100Hz only on 2 channels) |
| *with mains rejection off |
| Outputs |
| Alarm outputs |
4 x open drain FET (18V 0.1A) |
| Power output for external device |
Regulated 5 VDC at 50mA or logger supply voltage at 100mA |
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| Time and date |
built-in clock, 3 formats |
| Calculated channels |
Up to 16 virtual channels derived from physical input channels |
| Programming/logger setup |
SquirrelView or SquirrelView Plus software |
| Scaling data |
Displays readings in preferred engineering units |
| Memory Internal |
16Mb (Up to 1,800,000 readings) |
| Memory external |
Up to 1Gb - removable MMC/SD (For transferring internal memory and storing setups only) |
| Internal memory modes |
Stop when full or overwrite |
| Calculated channels |
built-in clock, 3 formats |
| Calculated channels |
Up to 16 virtual channels derived from physical input channels |
| Resolution |
Up to 6 significant digits |
| Programming/logger setup |
SquirrelView or SquirrelView Plus software |
| Communications / Setup |
| Networking |
Ethernet (on 2F8), USB and RS232 serial ports are built-in. PC based TCP/IP network or wireless connection |
| Modem Support |
GSM modem for remote data downloading |
| PC Setup |
Yes, SquirrelView compatible |
| Front Panel Setup |
This flexibility enables global data access and retrieval as well as complete system integration of the SQ2020 series into complex and critical applications. |
| Third Party Programming |
As 20xx driver suite allows |
| Display |
| LCD Display: |
2 line x 20 character LCD display
Battery state and external power indicator
Keypad lock |
| Navigate to: |
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 |
| Power |
| Internal Battery |
6 x AA Alkaline batteries |
| External Power |
10-18VDC
Reverse polarity and over-voltage protected |
| Power consumption @ 9V: |
Sleep mode: 600μA
Logging: 40-130mA |
| General |
| Operating temp |
-30°C to +65°C |
| Humidity: |
90% at 40°C non-condensing |
| Dimensions |
W235 x D175 x H55mm |
| Weight: |
Approx 1.2kgs |
| Enclosure material: |
ABS plastic |
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|||||||| Click here for Channel Inputs | Connectivity | Navigation
| SQ2020 Channel inputs | Connectivity | Navigation |
| Features |
- Create complex schedules of logging rates, triggers and alarm outputs
- Scale and view readings in real time on the integral display or on a PC running Excel
- Display readings in preferred engineering units e.g. Hz, Bar, Pascals, Nm etc.
- Select logging rates up to 100 readings per second on up to 4 channels (2 channels on Squirrel model 2040-2F16) or a combination of different logging rates
- Derive up to 16 calculated (virtual) channels from real input channels using mathematical functions
- Concurrently sample channels at different sample speeds, e.g. 100Hz, 20Hz, and 10 Hz etc
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 2F16 Logging Speeds | 4F16 Logging Speeds |
| Bottom View |
| Connectivity |
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General Overview
- 6 to 32 universal analogue inputs for recording temperature, current, voltage and resistance
- Easy to use, removable connector system
- Power output for sensor excitation / external devices
- 2 high voltage channels (20, 40 or 60V) for automotive applications
- USB, Ethernet and RS232 connectivity for quick and easy PC and remote communication and networking
- Range of trigger functions via 8 digital inputs; 4 pulse rate / counter inputs
- 4 alarm outputs for triggering external devices
- Power supply – internal alkaline batteries or external DC power supply
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| Facade |
| Navigation |
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General Overview
- To operate the logger simply use the four integral push buttons and display, or use the convenient SquirrelView set-up, download and export software – free with every Squirrel logger
- Convenient 2 line x 20 character backlit LCD for easy access to readings and set-up information
- Robust, ergonomically designed case with easy access to all user facilities
- Store up to 1.8 million readings in the Squirrel’s onboard memory
- Store up to 6 logger configurations. Load from a removable MMC / SD card for speed and convenience, or download data files to the card
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|||||||| Click here for Models
| SQ2020 |
| Standard Model |
Squirrel 2040-2F16
Includes the following;
- Up to 100 readings per second on 2 channels
- Two 24-bit A to D converters
- In built Ethernet connectivity
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| SQ2020 |
| high speed model |
Squirrel 2040-4F16 (high speed model)
Includes the following;
- Up to 100 readings per second on 4 channels
- Four 24-bit A to D converters
- 4 pulse rate / counter inputs (2 at up to 64kHz, 2 at up to 100Hz)
- In built Ethernet connectivity
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|||||||| Click here for Software Options
| SQ2020 Paint Software |
| Paint View |
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PaintView Data Sheet |
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Minimum PC specification
Windows® 2000, XP; Pentium II 266MHz, 60Gb HDD, colour SVGA screen, at least one RS232 or one USB port.
General Overview
PaintView is an easy-to-use software package designed for exclusive use in the paint and finishing industry and is included free with every OQ610 temperature logger. It enables easy setup of the logger and automatic download of data from the logger into a meaningful measure of paint cure.
For advanced paint cure calculations, it can also provide rapid interpretation of results. PaintView also gives the additional benefits of graphically analyzing historical and on-line data, along with advanced reporting.
PaintView can be easily set-up in the minimum amount of time and with the least amount of hassle. With regular usage it can pin-point any uneven temperatures within the stove process. This will improve the quality of your process, so that fewer faults occur, and helps to avoid costly re-work in the future. |
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| SQ2010 SquirrelView Software |
| General Software - Free with every Data Logger |
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SquirrelView Data Sheet |
| How to use Data Sheet |
Minimum PC specification
Windows® 2000, XP; Pentium II 266MHz, 60Gb HDD, colour SVGA screen, at least one RS232 or one USB port.
General Overview
SquirrelView is a universal software package that is supplied free with every new Grant Squirrel data logger.
Its intuitive, user friendly, spreadsheet style interface allows quick set-up of the logger for any application, speedy download of data and direct export to Excel.
Key features of SquirrelView
- Export data into Excel or as a CSV file for customizable data analysis
- Easily view and control the logger status from one single screen
- Use the simple communication wizard for hassle free working with modems, Ethernet, GSM, etc.
- Download data by date, time or events, saving time when working via modem or looking for specific data
- Save settings on the PC for efficient re-use
- Protect your data and set-up configurations with the security function
For full analysis and reporting facilities SquirrelView Plus is available as an add-on option (a free 30-day trial is included with the SquirrelView software). |
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| SQ2010 SquirrelView Plus Software |
| with Graphical Analysis |
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SquirrelView Data Sheet |
| How to use Data Sheet |
Minimum PC specification
Windows® 2000, XP; Pentium II 266MHz, 60Gb HDD, colour SVGA screen, at least one RS232 or one USB port.
General Overview
SquirrelView Plus has all the features of SquirrelView with the additional benefits of allowing graphical analysis of historical and on-line data, whilst providing advanced reporting options.
SquirrelView Plus allows quick and easily analysis of the Squirrel data in a familiar Explorer navigation-style interface.
Data can be displayed with two different auto scaling Y-axes ? essential for displaying widely varying data from different sensors on one graph. Particular data of interest can be zoomed into whilst an on-screen cursor can pick out exact values. Data can be shown in a statistical summary with set high and low alarm thresholds. The powerful calculation function allows the creation of “virtual” new channels from existing channels e.g. value from channel 1 added to the average of 10 readings from channel 2 etc.
- Flexible data presentation allows you to quickly display and analyze real time or historical data as a line graph, bar chart or analog gauge
- Graphical alarm and event identification lets you easily identify occurrences around specific analog or digital events, e.g. a pump switching on
- Quick Graph function lets you quickly and easily view large data files
- Wizards for easy set-up of communications and data export
- Ability to send real time metered data from the Squirrel directly into Excel
- Downloader for automating data download using MS Scheduler® (Squirrel 2010, 2020 and 2040 only).
- Fully configurable data views
- Flexible zoom feature including X and Y axes
- Customizable report facility: print out graphs, readings, etc.
- Tolerance curve
- Calculated channels
- Product cure calculation
- Display oven profiles and oven zones
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- Related Products
- Complementary Products
Yokogawa Data Acquisition Units
Grant Portable Data Loggers
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Specifications
Manual |
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