SmartReader from ACR Systems

Multi-channel Configurable Data Loggers


ACR SmartReader data loggers are multi-channel, user configurable data loggers that are able to monitor a variety of parameters. Durability is assured with a 3-year logger warranty and 10-year battery life.

Common Specifications

107 mm x 74 mm x 22 mm (4.2" x 2.9" x 0.9")
110 g (3.75 oz)
Case Material
Noryl® plastic
Operating Limits
-40 to 70°C (-40 to 158°F) and 0 to 95% RH (non-condensing)
Clock Accuracy
+/- 2 seconds per day
3.6 volt Lithium, 1 Amp-Hour
Power Consumption
5 to 10 microamps (continuous)
Battery Life
10 years under normal use (factory replaceable)
Magnetic backing or locking eyelet
Memory Size
32 K (32,768 readings)
Sampling Method
1. Continuous (First-in, First-out)
2. Stop when full (Fill-then-stop)
Sampling Rate
User selectable rates between 8 seconds to once every 5 days
8-bit (1 part in 256)
External Connector
Removable screw-type terminal strip with Common (-) connection
PC Requirements
IBM PC or 100% compatible with at least 2MB RAM, 2MB of hard drive disk space and one free serial port
Software Requirements
TrendReader® 2 (compatible with Windows® 2000, XP and Vista 32bit)
Internal Temperature Sensor Type
NTC thermistor (10,000 ohms @ 25°C [77°F])
Internal Temperature Sensor Range
-40 to 70°C (-40 to 158°F)
Internal Temperature Sensor Accuracy
+/- 0.2ºC over the range: 0 to 70ºC (+/- 0.3ºF over the range: 32 to 158ºF)
Internal Temperature Sensor Resolution
0.4ºC (0.7ºF) @ 25ºC;
better than 1ºC (1.8ºF) between -25 and 70°C (-13º and 158ºF);
better than 2.0ºC (3.6°F) between -40 and -25°C (-40ºF and -13ºF)

SmartReader 1
2-channel temperature
data logger
SmartReader 2
4-channel relative humidity & temperature data logger
SmartReader 3
4-Channel AC Current & Temperature Data Logger
SmartReader 4
5-channel pressure, temperature & RH data logger
SmartReader 5
3-channel temperature
data logger
SmartReader 6
7-channel temperature
data logger
SmartReader 7
8-channel process signal data logger
SmartReader 8
8-channel temperature
data logger
SmartReader 9
3-channel pulse
data logger