ACR

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Company ACR
Model SmartReader 2 (SR-002)
Website http://www.acrsystems.com/
Operating Range (Temp:) -40° to 158°F / -40 to 70°C
Operating Range (RH:) 0-95% RH
Accuracy (Temp:) ±0.2°C (0°C to 70°C)
Accuracy (RH:) ±4% RH (10-90% RH)
# of T & RH calibration points: 3 points*
User calibratable Yes***
Power Source 3.6 volt Lithium battery
Battery Life 10 years
Memory (number of data sets (i.e. pair of Temp & RH readings) 16,383 data sets
Run Time 15 mins = 170 days, 15 hours
User selectable Yes
Sampling Rate 8 sec -5 days in 4 sec intervals
Alarm (LCD or LED) No†
Display No
Probe Yes††
Wireless/Realtime Capable: No†
Size (in.) 4.2 x 2.9 x 0.9
Size (mm) 107 x 74 x 22
Size (oz.) 3.75
Size (g) 110
Price (as of 9/2011) $499
Comments (symbols * or † correspond to entries above) *Initial NIST factory calibration at 15, 50 &80% RH at 77°F


*** Factory recalibration $150; sensor replacement $275
† SRP-002-128 model, $1,045 has extensive memory. can be networked for real-time data & alarms via phone or email
†† Only unit where probe & logger measure concurrently