无线数据记录器

High performance wireless data loggers for demanding applications

Integral Wi-Fi Ethernet networking

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

 

The Squirrel SQ2040 Wi-Fi series combines a high channel, high performance, universal inputs with the simplicity of Wi-Fi networking in a compact and portable instrument.

Using multiple 24-bit analogue to digital convertors, twin processors and removable memory and Wi-Fi networking the SQ2040 Wi-Fi provides great flexibility to handle a wide range of complex and demanding multi-channel applications. The Squirrel SQ2040 Wi-Fi series is ideal for industrial, scientific research and quality assurance applications. The SQ2040 Wi-FI provides standalone data acquisition, advanced networked solutions and data analysis straight out-of-the-box.

 

Key features

16 true differential or 32 single ended universal analogue inputs for voltage, current or resistance measurements plus 2 high voltages, 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

User selectable logging rates of up to 100Hz on up to four channels

Standard (802.11b) wireless (Wi-Fi) Ethernet networking, USB and RS232 communication ports

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 card

Sensor power and FET outputs for use with external devices

Easy to read LCD and simple 4 button user interface

Calculated channels derived from real channels using advanced mathematical functions e.g. log(x); ln(x); sqrt(x)

Analogue inputs supported

Thermistors

Thermocouples

Pt100/Pt1000 (maximum of eight 3- or 4-wire Pt100/1000 sensors - model 4F16 only)

Voltage

Current

Resistance

The Squirrel 2040 series comprises two models:

Squirrel 2040-2F16

Up to 100 readings per second on 2 channels

Two 24-bit A to D converters

In built Ethernet connectivity

Squirrel 2040-4F16 (high speed model)

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

 

16 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, Wireless 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

 

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 on board 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

 

Key capabilities

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 Excelä

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