Technical Specifications
UTREL30-WiFi User Guide
80
Technical Specifications
Model Number
UTREL30-WiFi
Temperature Sensor Measurement Range
-90 °C to +40 °C (-130 °F to +104 °F)
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,
storage and use
0 to 95 %RH
Rated Temperature Resolution
0.1 °C (0.2 °F) for measurements -85 °C to 0 °C (-121 °F to +32 °F)
0.2 °C (0.4 °F) for measurements 0 °C to +18 °C (+32 °F to +64 °F) and -90 °C to -85 °C (-130 °F to
-121 °F)
0.3 °C (0.5 °F) for measurements +18 °C to +30 °C (+64 °F to +86 °F)
0.5 °C (0.9 °F) for measurements +30 °C to +40 °C (+86 °F to +104 °F)
Please see resolution chart in
Rated Temperature Accuracy
Better than ±0.5 °C (±0.9 °F) for -20 °C to +10 °C (-4 °F to 50 °F)
Better than ±0.7 °C (±1.3 °F) for -50 °C to -20 °C (-58 °F to -4 °F) and +10 °C to +30 °C (+50 °F to
+86 °F)
Better than ±1.0 °C (±1.8 °F) for -85 °C to -50 °C (-121 °F +-58 °F) and +30 °C to +40 °C (+86 °F to
+104 °F)
Better than ±1.8 °C (±3.2 °F) for -90 °C to -85 °C (-130 °F to -121 °F)
Please see accuracy chart in
Probe Connectivity
Up to 2
Probe Compatibility
All ST10 precision thermistor external probes can be interchangeably connected to the
UTREL30-WiFi. Please refer to the page for External Probes on the LogTag North America
website.
Sensor Technology
Precision electronic thermistor
Sensor Reaction Time
According to Probe
Clock accuracy
Quartz crystal-locked real time clock, typical accuracy ±25ppm @ 25 °C (equiv to 2.5
seconds/day)
1
Temperature coefficient is -0.034±0.006ppm/°C (i.e. typ/-0.00294seconds/day/°C)
Recording Capacity
16,065 real time temperature values per channel
2
, giving
l
6 days @ 6 min logging;
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112 days @ 10 min logging; or
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168 days @ 15 min logging
Supports continuous logging ("wrap-around") or specific recording period
Statistics memory
For displaying statistics on the LCD
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Trip min/max values, per channel
l
Max/Min values for the past 30 days, per channel
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Alarm duration values for the past 30 days, per channel
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AM/PM Inspections for the past 30 days, per channel
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Total time above/below alarm thresholds, per channel
Memory type
Non volatile
Sampling Interval
Configurable from 30 seconds to 18 hours
Start options
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Push button start with optional configurable start delay from 1 minute to 72 hours
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Date/time start up to 180 days in the future
Alarm functions
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Total of 6 alarms per channel
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Up to 5 configurable upper alarms
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Up to 5 configurable lower alarms
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indicator on display, linked to alarms
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Alarm arrows linked to primary thresholds
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Red Alert LED
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Audible alarm
Vibration
Withstands vibration specification as detailed in EN12830:2018
1 Clock is synchronized with NTP server once every 24 hours when connected to LogTag
®
Online.
2 The maximum number of available readings does not increase if one of the channels is deactivated.
