ACR SmartReader Plus 7 Specifications

Eight Channel Process Signal Data Logger

Recording process signals is easy and convenient with the SmartReader Plus 7. With seven input channels it is ideal for monitoring (through commercially available transducers) a wide variety of measurement parameters. All process signals can be displayed in their own engineering units using the simple equation editor in ACR's TrendReader® Software for Windows®. Features: 12 bit resolution 8 channels 10-year battery life Up to 1.5 MB memory User-configurable Accessible remotely by modem Network capable Up to 25 samples per second

Product Specifications

No. of channels	Eight. (One internal thermistor and 7 analog inputs)
Standard Inputs	Input type 0 to 2.5 volts DC channel 0 to 5.0 volts DC (2 channels) 0 to 10.0 volts DC channel 0 to 200 millivolts DC channel 0 to 25 milliamps DC (2 channels)	Input Impedance Greater than 1M ohm Greater than 1M ohm Greater than 1M ohm Greater than 1M ohm 20 ohms
Optional Inputs	All external channels 0 to 2.5 volts, 0 to 5 volts, 0 to 10 volts, or 0 to 25mA .
Accuracy	+/- 0.5% of full scale.
Overload Protection	Voltage channels: +/- 40 volts and Current channels: +/- 70mA (reverse polarity protected).
Transducer Restrictions	The use of a single power supply is recommended to avoid ground loops or use loop isolators.
Memory Sizes	32 KB, 128 KB and 1.5 MB.
Accuracy Curve	Temperature Sensor Accuracy with ACR SmartReader Plus
Common Specifications	ACR SmartReader Plus Common Specifications
Software Specifications	TrendReader - ACR SmartReader Plus Data Logger Software RealTime Graphing Software Talk-Back Software
Remote & Network communications	ACR SmartReader Plus Networking and Remote Communications