The sq16plus boasts more advanced technology, giving faster logging speeds. With 3 and 4 wire PT resistance probe support, you get the best accuracy in temperature measurement.

Network ready, next generation technology

  • Game changing accuracy with precise data capture technology
  • Network ready plug and play
  • Remote monitoring with data capture anywhere and anytime via desktop or mobile device
  • Channel expansion up to 128 channels

Game-changing data accuracy, empower your industry

Pharmaceutical, thermal mapping, aerospace, automotive, quality control and compliance monitoring

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No of channels single ended 16 single ended or 8 differential inputs
Universal input Yes, including 2, 3 and 4 wire resistance
Voltage ranges; differential and single ended -0.3 to 0.3V, -1.5 to 2.5V, -6 to 10V, -40 to 60V
Common mode 60V
Current ranges, differential (requires external 10Ω shunt)
Thermocouple ranges; differential and single
4 to 20mA, -30 to +30mA
K-type -200 to 1372°C R-type -50 to 1768°C B-type 250 to 1820°C
T-type -200 to 400°C S-type -50 to 1768°C C-type 0 to 2320°C
N-type -200 to 1300°C J-type -200 to 1200°C D-type 0 to 2320°C
Resistance ranges, 2,3 & 4 wire 0-2000R and 0-300000R 2-wire, 0-4000R
3-wire and 0-4000R 4-wire
Thermistor ranges
Pt100/1000, 2-wire
U, UU, Y & S – type – 50 to +150°C & customer specific thermistors
-200 to 850°C
Internal reference temperature -55 to 150°C
Pulse count ranges
Digital state/event ranges
0 to 100Hz (2 input) 0 to 64kHz (2 input)
0 to 34,360,000,000 count
8 state inputs or 1 x 8 bit binary
Digital/alarm outputs 4 open drain FETs, 40V, 0.1A
A/D resolution 32 bit
Accuracy 0.1% of range + 0.1% of reading
Clock resolution/accuracy 1s/10ppm
Sampling rates Up to 100 readings per second on 2 channels
Data statistics Yes from within new SquirrelView plus PC software
Calculated channels Yes, up to 16
Memory internal 16GB, approximately 800 million readings
Multi function button LED Status indication and start/stop
Internal battery 6 x AA cells
Battery life
External power
up to 6 months all channels logging every 15 minutes
Yes, 8 to 38v dc or via USB
Sensor power output 8-38V at 150mA when connected to external power supply
Networking Via USB or open thread
Modem support Via USB hub
Actions & triggers PC setup
Front panel setup
Four alarm outputs, fully configurable actions and triggers
Yes, SquirrelView compatible
Via smartphone app. All essential functionality available via app e.g. channel configuration, start/stop logging etc. Other advanced functions e.g. calculated channels and channel descriptions are available via connection to a PC running SquirrelView
Stored setups 6
Operating temperature -20 to 65°C
Dimensions (w x d x h)/ weight
Working environment
257mm x 206mm x 57.3mm, 1.5kg
– 30 to 65°C, RH up to 95% (non-condensing)


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