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- Integral Wi-Fi Ethernet networking
- High precision (0.05%)
- Advanced data management to MMC/SD card or PC
- Flexible communications (USB, Ethernet, RS232)
- High speed 100Hz on two channels
- Various Remote connection options e.g. via Ethernet or dial up modem
- Up to 1.8 million readings
- Removable MMC / SD card
- Built-in Ethernet networking capability (SQ2020-2F8 only)
- USB and RS232 connectivity
- Thermistors
- Thermocouples
- Pt100/Pt1000 (maximum of four 3 or 4-wire Pt100/1000 sensors)
- Voltage
- Current
- Resistance
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- Standalone data logger or link to a PC
- 8 true differential or 16 single ended universal analogue inputs for voltage, current or resistance measurements plus 2 high voltage, 4 pulse and 8 digital event/state inputs
- Analogue inputs can be used with thermistors, thermocouples, 2, 3 or 4 wire RTD temperature sensors and 4-20mA signals
- Logging rates of up to 100Hz on up to two channels
- Large non-volatile internal memory storage for up to 14 million readings
- 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 button user interface
- Up to 16 calculated / derived channels may be created using mathematical functions
- Thermistors
- Thermocouples
- Pt100/Pt1000 (maximum of four 3 or 4-wire Pt100/1000 sensors)
- Voltage
- Current
- Resistance
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The Squirrel SQ2020 Wi-Fi hand held data logger combines high performance and universal inputs with the simplicity of Wi-Fi networking in a compact and easy-to-use instrument.
Using high accuracy, 24-bit analogue to digital converters, removable memory and Wi-Fi wireless Ethernet networking, the SQ2020 Wi-Fi is the ideal data logger for industrial, scientific research and quality assurance applications. Together with our comprehensive suite of software, SquirrelView, the SQ2020 provides standalone data acquisition, simple Wi-Fi networking, real-time metering and data analysis straight out-of-the-box. |
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Concurrent sampling:
The SQ2020 Wi-Fi uses multiple analogue to digital converters that enable true concurrent sampling and logging. This allows the user to configure a channel to
log at a rate of 100Hz whilst retaining different sample speeds on other channels. This makes the SQ2020 Wi-Fi 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:
Wireless Ethernet, USB and RS232 serial ports are built-in. This allows simple wireless connection to a PC based TCP/IP network, 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 Wi-Fi series into complex and critical applications.
Comprehensive software configuration via SquirrelView:
The SquirrelView software (supplied with the SQ2040 Wi-Fi series) allows logger configuration, data download and data export whilst giving the user full control over the SQ2040 Wi-Fi. The optional SquirrelView Plus gives the user access to many advanced data analysis and data archiving/transfer features. |
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|||||||| Click here for General Specifications
| SQ2010 Handheld Data Logger |
| Input Channels |
| No. of channels |
8 true differential or 16 single ended universal analog inputs for voltage, current or resistance |
| 3 or 4 wire |
4 channels SQ2020-2F8 only |
| 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 |
1 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. No 100Hz on 1F8 |
| 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 |
| *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 |
| Communications / Setup |
| Networking |
Wireless Ethernet (Wi-Fi):
802.11b, 2.4GHz, 1 to 14 channels
Security: Open, WEP (64 or 128bit encryption), WPA or WPA2 / 802.11i |
| External Modem Support |
GSM modem for remote data downloading |
| Network |
Infrastructure only with specified SSID, or any network with no SSID (external mains power required for Wi-Fi connection)
RS232: (Auto-bauding to 115 K baud)
USB: 1.1 and 2.0 compatible |
| 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 |
Sleep mode: 600μA
Logging: 40-80mA |
| 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 SquirrelView or 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 2 channels (20Hz maximum on Squirrel model 2020-1F8)
- Derive up to 16 calculated (virtual) channels from real input channels using mathematical functions
- Concurrently sample channels at different sample speeds
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 1F8 Logging Speeds | 2F8 Logging Speeds |
| Bottom View |
| Connectivity |
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General Overview
- 8 to 16 universal analog 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 (up to 60V) for automotive applications
- USB, Ethernet and RS232 connectivity for quick and easy PC and remote communication and networking
- Power supply – internal alkaline batteries or external DC power supply
- Up to 8 digital and 4 pulse rate / counter inputs. Can be logged or used as triggers
(4 alarm outputs for triggering external devices)
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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 |
| high speed model |
SQ2020-2F8
- Up to 100 readings per second on 2 channels
- Built-in Ethernet connectivity
- Up to four 3 or 4 wire Pt 100/1000 sensor inputs Vac)
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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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