Technical Specifications
Model Number
UTRED30-WiFi
Temperature Sensor Measurement Range
-40 °C to +99 °C (-40 °F to +210 °F1Values above 199.9 °F cannot be shown on the display. The values will, however, be recorded and shown in the LogTag® Analyzer software)
Logger Operating Temperature Range
-30 °C to +60 °C (-22 °F to +140 °F)
Storage Temperature Range
-10 °C to +40 °C (32 °F to +104 °F)
Ambient humidity range during transport and use
0 to 95%RH
Rated Temperature Resolution
- 0.1 °C (0.2 °F) for measurements -40 °C to +50 °C (-40 °F to +122 °F)
- 0.2 °C (0.4 °F) for measurements +50 °C to +70 °C (+122 °F to +158 °F)
- 0.3 °C (0.5 °F) for measurements +70 °C to +80 °C (+158 °F to +176 °F)
- 0.4 °C to 0.6 °C (0.7 °F to 1 °F) for measurements +80 °C to +99 °C (+176 °F to +210 °F)
Rated Temperature Accuracy
- Better than ±0.8 °C (±1.4 °F) for -40 °C to -20 °C (-40 °F to -4 °F), typically ±0.5 °C (0.9 °F)
- Better than ±0.5 °C (±0.9 °F) for -20 °C to +40 °C (-4 °F to +104 °F), typically ±0.3 °C (0.6 °F)
- Better than ±0.8 °C (±1.4 °F) for +40 °C to +70 °C (+104 °F to +158 °F), typically ±0.7 °C (1.3 °F)
- Better than ±1.2 °C (±2.2 °F) for +70 °C to +99 °C (+158 °F to +210 °F), typically ±1 °C (1.8 °F)
Sensor Compatibility
All ST100 precision thermistor external probes can be interchangeably connected to the UTRED30-WiFi.
Sensor Type
Precision Thermistor
Clock accuracy
Quartz crystal locked real time clock, rated accuracy ±25ppm @ 25 °C (equiv to 2.5 seconds/day)
Rated temperature coefficient is -0.034±0.006ppm/°C (i.e. typically +/-0.00294seconds/day/°C)
Recording Capacity
16,129 real time temperature values, giving
- 66 days @ 6 minute logging interval or
- 110 days @ 10 minute logging interval
- 165 days @ 15 minute logging interval.
Supports continuous logging ("wrap-around") or specific recording period.
Statistics memory
for displaying statistics on LCD
- Max/Min values for the past 30 days
- Alarm duration values for the past 30 days.
Memory type
Non volatile
Sampling Interval
Configurable from 30 seconds to 18 hours.
Start options
- Push button start with optional configurable start delay from 1 minute to 72 hours
- Date/time start up to 180 days in the future
Alarm functions
- one configurable upper alarm
- one configurable lower alarm
- four additional alarms, freely configurable as upper or lower alarms
-
indicator on display, linked to alarms - Red Alarm LED
- Audible alarm
Vibration
Withstands vibration specification as detailed in EN12830:1999
Shock
- Withstands shock specification as detailed in EN12830:1999
- Withstands 5 drops from 1m onto smooth concrete floor without loss of function or calibration
EMC compliance
- EC EMC directive EN 55024:2010 (Immunity)
- EC EMC directive EN 55032:2015 (Emission)
- 47 CFR Part 15 Subpart B (unintentional radiator) as a Class A digital device as defined in section §15.101
- RoHS2 Directive 2011/65/EU
Environmental
Case Material
Polycarbonate
Power source
5V/5W from commercial USB power supply with Micro-USB plug
2 x 1.5V AAA batteries (optional)
1 x CR2032 3V LiMnO2 battery with extended temperature Chemistry – User replaceable, non-rechargeable (for backup)
Battery life
AAA batteries - typically around 2 month if unit is operated without power supply and used under normal operating conditions (6 minute logging, statistics reviewed on the display no more than once daily for no longer than 30 seconds each time, download data monthly
The audible alarm reduces battery life significantly.
CR2032 - up to 10 years , provided the unit is operated permanently from AAA batteries or external power.
WiFi connection will not work when powering from CR2032 cell.
Size
123 mm(H) x 63mm (W) x 12.5mm (T) (excluding probe)
Weight
80g (excluding probe and AAA batteries)
Calibration
Factory Accuracy Certificate, traceable to an ISO/IEC 17025 accredited testing laboratory
PDF features
- compliant with standard 1.6 and later
- Single page report with trip and alarm summary
- Single page day summary with Min/Max report
- Multi page report with list of readings including date/time
WiFi
802.11 b/g/n with WPA/WPA2-PSK security protocols
Wireless Range
50m in open air
USB compatibility
USB 2.0, Micro-USB plug
Download time
- Typically with full memory (16,129 readings) less than 10 seconds, depending on computer or readout device used
- Typically with full memory (16,129 readings) less than 30 seconds from time of insertion to availability of PDF report.
Software requirements
- LogTag® Analyzer version 3.1r5 or later to configure and download
- PDF reader software to access onboard PDF files
- LogTag® Online account for accessing real-time readings
Accessories
2m USB lead, Micro-USB to USB-A 2.0 cable for connecting to a PC