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Squirrel SQ400 4ch Data Logger
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Humidity Sensors FK80J<br>Humidity-Temperature Sensors TFK80J PDF Ä«´Ù·Î±×

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Squirrel 400 & 800 Series
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  • Àü¿ë ÄÁ³ØÅÍ°¡ ÇÊ¿ä¾ø´Â À¯´Ï¹ö¼³Å¸ÀÔ Á¶ÀÎÆ®
  • ¾ËÄ«¶óÀÎ ¹åµ¥¸® ¶Ç´Â 220V Àü¿ø ¾Æ´äŸ »ç¿ë°¡´É
  • ¾ËÄ«¶óÀÎ ¹åµ¥¸® »ç¿ë½Ã ¾à 200ÀÏ »ç¿ë°¡´ÉÇϸç, ÀÜ¿©½Ã°£ Ç¥½Ã±â´É
  • 3°³ÀÇ ¹öÆ°À¸·Î ä³Î¼ÂÆà ¹× ³»¿ëÈ®ÀÎ, ·Î±ë ½ÃÀÛ/Á¤Áö µîÀÇ Àü±â´É Á¶Á¤
  • ±âº» 65,000DATA ÀúÀå °¡´ÉÇϸç, ¼±ÅÃ¿É¼Ç Ãß°¡½Ã 2,000,000DATA ÀúÀå°¡´É
  • ÇÁ·Î±×·¥¿¡ ÀÇÇÑ ´ÜÀ§º¯È¯(Engineering Unit) °¡´É(¿¹, m/sec,ppm,%rh...)
  • ÀýÀüȸ·Î ±âº»Å¾Àç·Î Àå½Ã°£ ÃøÁ¤°¡´É(¹åµ¥¸® ÀÛµ¿½Ã ¾à 200ÀÏÀÌ»ó »ç¿ë°¡´É)
  • Æ®·»½º¹ÌÅ͵ °ø±ÞµÇ´Â sensor power ¼³Á¤°¡´É
  • ¸Þ¸ð¸® ½Ã°£°£°Ý ÃÖ¼Ò 1ÃÊ¿¡¼­ ÃÖ´ë10½Ã°£ ¼³Á¤°¡´É

Standard Features

  • 12bit ºÐÇØ´É
  • °íÁ¤µµ (ÃøÁ¤Ä¡ÀÇ 0.1%, ÃøÁ¤¹üÀ§ÀÇ 0.2%).
  • 8ä³Î±îÁö ¼¾¼­ÆÄ¿ö ¼³Á¤°¡´É
  • 1ÆÞ½º ÀÔ·Âä³Î
  • 8 event/digital channel
  • ¿ÜºÎ½ÅÈ£¿¡ ÀÇÇÑ ·Î±ë½ºÅ¸Æ®/½ºÅé ¼³Á¤°¡´É
  • ·Î°Å ¿ÜºÎȯ°æÁ¶°Ç: -30 to +65`C, 0 to 95%RH.
  • ¿ÜºÎ ÀÔ·ÂÀü¿ø: 9 to 14Vdc (9V internal battery included).
  • RS-232C¿¡ ÀÇÇÑ ÀÚµ¿°¨Áö
  • °í¼Ó ´Ù¿î·Îµù¼Óµµ : 19.2 kbit/s.
  • ÃÖ´Ù 99°³ ·Î±ëÆÄÀÏ
  • Alphanumeric display of 2 x 16 characters shows readings and status of logger.
  • Size (lxwxh): 180x120x60mm.
  • Darca set-up and download software.
  • Optional alarm features.

Software
Darca+
±×·£Æ® µ¥ÀÌŸ·Î°Å ±âº» ÇÁ·Î±×·¥À¸·Î½á ä³Î¼ÂÆà ¹× ·Î±ëµ¥ÀÌŸ ´Ù¿î·Îµå ¹× ±×·¡ÇÈ ºÐ¼®°¡´É
µ¥ÀÌŸ¸¦ Excell·Î Àüȯ ÆíÁý °¡´É
¿Â¶óÀÎ ¸ðµå ±×·¡ÇÈ µð½ºÇ÷¹ÀÌ °¡´É
¸ðµ¨ SQ-400,SQ-800 & SQ-1000series »ç¿ë °¡´É
Window 98,2000

Accessories

  • Grant supply a full range including:
  • Weatherproof enclosure / carry case.
  • Tamperproof wall brackets.
  • Test & calibration certificates.
  • Wide range of temperature and humidity sensors.

Squirrel 400 & 800 Series PDF

Squirrel 400 & 800 Series
The Squirrel SQ400 and SQ800 are universal data loggers that reliably and accurately measure inputs from a wide range of sensors making them suitable for many different applications in Industry, Research, Science and Environmental Monitoring. The SQ400 and SQ800 can be used as portable meters, standalone data loggers or as PC based data acquisition systems.

Key Features

  • 4 or 8 Universal inputs avoids application redundancy, saving you money.
  • Direct connection of thermocouples, voltage, 4 to 20mA current, and thermistors.
  • Battery or mains operated and easily portable.
  • Simple 3 button set-up via built in display or from PC with free Darca Software.
  • Non-volatile memory provides up to 2 million eadings of secure data.
  • Time and date reported with each reading.
  • Readings can be scaled into meaningful engineering units (e.g. m/sec, ppm).
  • Low power consumption for long term unattended use or portable operation.
  • Sensor connection is via removable screw terminals for ease of use in the field.
  • Remote set-up and download via GSM, PSTN, radio or satellite modem links for et & forget?applications.
  • Ethernet option allows loggers to be sited anywhere you have a network port, making installation easier and more cost effective.

Standard Features

  • 12bit resolution.
  • Highly accurate ?0.1% of reading, +0.2% of range span).
  • Up to 8 sensor power outputs.
  • 1 pulse count channel.
  • 8 event/digital channels.
  • External triggers can start and stop the logger.
  • Environmental operation: -30 to +65, 0 to 95%RH.
  • External power supply: 9 to 14Vdc (9V internal battery included).
  • Communications via RS232C with auto-baud detect.
  • Rapid memory download at 19.2 kbit/s.
  • Up to 99 logger 'runs' may be stored.
  • Alphanumeric display of 2 x 16 characters shows readings and status of logger.
  • Small size (lxwxh): 180x120x60mm.
  • Darca set-up and download software.
  • Optional alarm features.

Software
Darca+
Powerful and easy to use spreadsheet style software for configuring, downloading, displaying and analysing data from your SQ400 or SQ800 data logger. Upgrade from Darca and with just a few mouse clicks you will quickly be able to view real time charts and historical data. Darca+ allows you to display over 16 channels of data, manual and automatic scaling of charts, list readings in tabular format with date and time. Modem connection and scheduler is also supported for automated downloading.

Accessories

  • Grant supply a full range including:
  • Weatherproof enclosure / carry case.
  • Tamperproof wall brackets.
  • Test & calibration certificates.
  • Wide range of temperature and humidity sensors.

Squirrel 400 & 800 Series PDF



Squirrel 450/850 Series Data Logger

451 / 452 Model Squirrel Datalogger

451 / 452
Squirrel Data Logger

The Squirrel 450/850 series is a cost effective portable data logger with a maximum of 4 or 8 inputs. In common with its bigger brother, the Squirrel 1000 series data logger, the 450 and 850 series are equipped with impressive specifications, long battery life and a three year guarantee. The model 451 and 451 T are universal instruments with configurable inputs for voltage, current and temperature for both thermocouple and thermistor sensors. The model 851 is the 8 input version of the 451.

The 450/850 Series Range Of Models

The current 450/850 series consists of the following models, each offers a wide variety of user applications:

Model Inputs Features
451
851
4 channels
8 channels
Each channel configurable for temperature, voltage or current input
451T 4 channels 0.1sec Interval (Fast Recording feature)
451pH 4 channels Supports up to 2 x external pH adaptor module type pH IFU(purchased separately).
451MC 4 channels PCMCIA memory slot installed to accept SRAM card (purchase separately)
452 4 Pulse only channels See CPU module
453 8 Event + 8 Pulse inputs (5Hz) for slow counting  
454 8 Event Uses standard rising cage connectors for easy connection.
401 4 channels 'Blind' 451 - less display and control panel

Factory installed Options

Pulse input
The 451/851 only is available with:

  • Two pulse inputs

pH adaptor module type (pH IFU )

  • For use only with the 451MC

PCMCIA Card Slot

As an option, the data logger can be fitted with a slot for an SRAM memory card. The data logger can record directly onto the card or the user can copy the internal memory to the card for easy transfer of the data to a computer equipped with a PC card slot. SRAM cards are available for storing up to 2M readings. Darca Software includes tools for setting up the card and transferring the data from the card to a file suitable for analysis or translation to ASCII format using any of the standard software.

We recommend using King Max, Panasonic or Mitsubishi cards as these have the lowest power consumption. Note: we have found that not all SRAM cards are suitable, particularly those with rechargeable batteries and that some older versions have unacceptably high power consumption when used with Squirrel - especially when battery powered. Refer to Accessories for the SRAM details.

Field installed options

The memory can be expanded to 2M readings (about 2,080,000). Refer to the Options section for details.

Don't forget that a lot of memory takes time to download and that it is possible to reduce the amount of memory used for a logging run. Eltek loggers now download at 38400 baud, and in practice this is about 500 readings per second.

Common Features

All models feature panel mounted controls (except the 401) and a 2 line, 32 character LCD readout for setting up, monitoring and reading recorded events on the logger. Resolution is 12 bit with standard thermistor, thermocouple and DC voltage or current inputs. Two sensor power outputs are available to power external sensors - such as humidity probes.

EU Range
In addition "EU" range is standard, enabling the logger to independently rescale each input to a user defined engineering unit, e.g. humidity can be displayed as 0 to 100% RH, permitting quick and unambiguous understanding of the readings on the display.

Internal memory
The logger is fitted as standard with 250K of memory, backed up by a lithium battery, and at least 250,000 locations are available for data storage. Note that this refers to data storage, not bytes, as 2 bytes of conventional memory are used for every reading. Larger memory can be field fitted by a competent engineer as an option.

Accessories

The Squirrel 450/850 series shares many of the accessories available to the Squirrel 1000 series datalogger. The most significant exceptions are noted.

Software

The 450/850 series is fully compatible with the Eltek Darca Lite and Darca Plus software, providing comprehensive remote control, data transfer and analysis tools using a Windows based PC.

Connection to the PC can be:

  • Direct - use the LC68 computer cable.
  • Remote - via a landline - use a commercially available modem (use only Darca Plus software).
  • Remote - via a cellular network - use the GSM modem kit type GSM-mdm c/w antenna.
  • Remote - via Ethernet - for networked Squirrel dataloggers use the Moxa De311 serial to ethernet convertor.
  • Specification

    Accuracy (at 20¨¬C) Voltage/Current:
    Temperature:
    ¡¾0.1% of reading ¡¾0.1% of span
    ¡¾0.1% of reading ¡¾0.1% of span
    Environment Ambient temperature: -30¨¬C to 65¨¬C
    Humidity up to 95% (non condensing)
    Power Supplies Internal: Six AA manganese alkaline batteries (9V nominal)
    External: 9-14V DC at 100mA.
    Battery Life At least 6 months with all channels recording every 5 minutes
    Clock Accuracy 1 second/day at 20¨¬C
    Physical details Dimensions (mm): H 120, W 180, D 62
    Weight, inc batteries: Approximately 1Kg
    Material: ABS coated with durable NEXTEL finish
    Interface RS232C at up to 38,400 Baud
    Connectors RS232 Output:
    Inputs:
    6 pin female mini-DIN
    3 pin ST Plug (5mm pitch "screw Terminal")
    Input impedance Voltage and Thermocouple: 1M Ohms
    Current: 10 Ohms
    Sensor power outputs Internally selectable to 5V regulated or Squirrel supply voltage.

    Ranges

    Input type Available ranges Resolution
    Thermistor -50 to 150¨¬C 0.1C
    Thermocouple - Type K 0 to 900¨¬C 0.5C
    Thermocouple - Type K -200 to 450¨¬C 0.2C
    Thermocouple - Type T -200 to 350¨¬C 0.2C
    Voltage 0 to 50mV 50µV
    0 to 100mV 50µV
    0 to 200mV 50µV
    0 to 500mV 0.5mV
    0 to 1V 0.5mV
    0 to 2V 0.5mV
    0 to 5V 5mV
    0 to 10V 5mV
    0 to 20V 5mV
    -25 to 25mV 50µV
    -50 to 50mV 50µV
    -100 to100mV 50µV
    -250 to 250mV 0.5mV
    -500 to 500mV 0.5mV
    -1 to 1V 0.5mV
    -2.5 to 2.5V 5mV
    -5 to 5V 5mV
    -10 to 10V 5mV
    Current 4 to 20mA 0.05%
    0 to 20mA 5µA
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