SQ 16 Plus

SQ 16 Plus

The Squirrel sq range of data loggers and software offers the best data logging experience thanks to high performance, connectivity, and innovative software. These next-generation loggers boast numerous features to meet your business and application needs.

Choose your parameters, set your goals

Universal channel inputs measure current, voltage, resistance, and a range of parameters, including temperature, humidity, pressure, flow rate, wind speed, and concentration. Digital channels automatically start or stop recording. This means you can set the logger to automatically start or stop recording when an event occurs.

Control via your app, get the data you need instantly

Communication via a dedicated mobile app is standard, via wireless Bluetooth, and offers the ability to network the data loggers via the brand-new communications hub, offering a range of remote management options and advanced data acquisition. Get the right data, alerts, and alarms whenever and wherever you want.

Easy to use, simple to configure

Easy to use and programmable, thanks to the new SquirrelView software. The brand-new Squirrel data loggers offer a wide range of features, from standalone portable data recording to a fixed online monitoring system that measures numerous parameters, always ensuring immediate access to data.

Extend your channels, stack them to save space

Each logger has 8 differential channels and is easy to expand using the new SquirrelView and sqhub software. Multiple loggers can be connected, allowing you to measure and monitor up to 128 channels of data simultaneously. Designed to be stacked, it saves space and offers the option of multi-channel recording.

Small size, large capacity

Technologically advanced and durable loggers, designed to provide fast and accurate data, store it securely, and retrieve it easily to create precise reports when you need them.

Number of single-ended channels16 single-ended or 8 differential inputs
Universal inputYes, including 2, 3 and 4-wire resistance
Voltage ranges; differential and single ended-0.3 to 0.3 V, -1.5 to 2.5 V, -6 to 10 V, -40 to 60 V
Common mode60V
Current ranges, differential (requires external 10Ω shunt) 4 to 20 mA, -30 to +30 mA 
Thermocouple ranges; differential and singleType K -200 to 1372°C 

Type R -50 to 1768°C 

Type B 250 to 1820°C 

Type T -200 to 400°C 

Type S -50 to 1768°C 

Type C 0 to 2320°C 

Type N -200 to 1300°C 

Type J -200 to 1200°C 

Type D 0 to 2320°C
Resistance ranges, 2, 3 and 4 wire0-2000R and 0-300000R 2-wire; 0-4000R 3-wire; 0-4000R 4-wire
Thermistor ranges Type U, UU, Y and S thermistors -50 to +150°C and customer-specific 
Pt100/1000, 2 wire-200 to 850°C
Internal reference temperature-55 to 150°C
Pulse count ranges 0 to 100 Hz (2 inputs) 0 to 64 kHz (2 inputs) 
Digital state/event rangesCount 0 to 34,360,000,000; 8 state inputs or 1 8-bit binary
Digital/Alarm outputs4 open-drain FETs, 40 V, 0.1 A
A/D Resolution32 bit
AccuracyRefer to operating manual
Clock resolution/accuracy1s/10 ppm
Sample ratesUp to 100 readings per second on 2 channels
Data statisticsYes, from new SquirrelView plus PC software
Calculated channelsYes, up to 16
Internal memory16 GB, approx. 800 million readings
Multi-function buttonLED status indication and start/stop
Internal battery6 AA batteries
Battery life up to 6 months all channels logging every 15 minutes 
External powerYes, 8 to 38 V DC or via USB
Sensor output power8-38 V @ 150 mA when connected to external power supply
NetworkingVia USB or open thread
Modem supportVia USB hub
PC Configuration actions and triggers Four alarm outputs, fully configurable actions and triggers 
Front panel configurationYes, SquirrelView compatible. Via smartphone app. All essential features are available via app, e.g., channel configuration, start/stop logging, etc. More advanced features, e.g., calculated channels and channel descriptions, are available via connection to a PC with SquirrelView.
Stored settings6
Operating temperature-20 to 65°C
Dimensions (wxdxh)/weight 257 mm x 206 mm x 57.3 mm, 1.5 kg 
Working environment–30 to 65°C, relative humidity up to 95% (non-condensing)

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