Technical Specifications
USRID-16W User Guide
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Technical Specifications
Model Number
USRID-16W1, USRID-16W2
Temperature sensor measurement range
-30 °C to +60 °C (-22 °F to +140 °F)
Operating temperature range
-30 °C to +70 °C (-22 °F to +158 °F)
Ambient temperature range during transport
and storage
-30 °C to +55 °C (-22 °F to +131 °F)
Ambient humidity range during transport and
use
0 to 95 %RH
Rated temperature resolution
0.1 °C (0.1 °F) across entire range
Rated temperature accuracy
Better than ±0.5 °C (±0.9 °F) for -20 °C to +40 °C (-4 °F to 104 °F)
Better than ±0.7 °C (±1.3 °F) for -30 °C to -20 °C (-22 °F to -4 °F)
Better than ±0.7 °C (±1.3 °F) for +40 °C to +60 °C (104 °F to 140 °F)
Better than ±0.8 °C (±1.5 °F) for +60 °C to +70 °C (140 °F to 158 °F)
Sensor type
Precision electronic thermistor
Sensor reaction time
Typically less than 7 minutes (T90) in moving air (1m/s), method as detailed in
EN12830:2018
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. typ/-
0.00294seconds/day/°C)
Recording capacity
USRID-16W1, USRID-16W2:
l
Factory-preset to 20 days @ 5 min logging (5760 readings)
Statistics memory
Display of trip min/max values
First occurrence for each of the triggered Alarm thresholds
Memory type
Non volatile
Sampling interval
USRID-16W1, USRID-16W2:
l
Factory-preset to 5 Minutes
Start options
USRID-16W1, USRID-16W2:
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Factory-preset to Push button start with 60 Minute start delay
Alarm functions
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OK tick and Alarm cross on display, linked to alarms
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Alarm arrows linked to thresholds
USRID-16W1:
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Preset Alarms (cannot be changed by the customer)
>= 45 °C single event
1 hour
>= 30 °C cumulative exposure
10 hours
<= -0.5 °C single event
1 hour
USRID-16W2:
l
Preset Alarms (cannot be changed by the customer)
>= 45 °C single event
1 hour
>= 30 °C cumulative exposure
10 hours
>= 10 °C single event
20 hours
Vibration
Withstands vibration specification as detailed in EN12830:2018
Shock
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Withstands shock specification as detailed in EN12830:2018
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Withstands 5 drops from 1m onto smooth concrete floor without loss of function or
calibration
EMC compliance
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EC EMC directives (CISPR 11: 2009 + A1: 2010, IEC 61000-4-3:2010, IEC 61000-4-
4:2012, IEC 61000-4-6:2008)
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RTCA DO-160G:2010, section 21
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Includes electrostatic discharge as prescribed in IEC 61000-4-2:2008
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Complies with FCC Part 15 Subparts A and B
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functionality of product unaffected by intense electrical storm activity
Environmental
IEC 60529: IP65 with USB cap fitted Fits into IP67 Protective Enclosure 200-000020
Case material
Polycarbonate
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