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We, Auro Electronics (India) Pvt. Ltd., are manufacturing Digital Panel Meter since 1981. Our passion for quality has been appreciated. Our DPM's have been the winners of prestigious "WISITEX" award. ....
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SmartReader 7 Data Logger
Manufacturer : ACR Systems

ACR Eight Channel Process Signal Data Logger

The SmartReader 7 data logger can monitor and record a variety of different process signals including the popular 4-20mA and 0-5V. With its seven input channels, this logger is ideal for monitoring (through commercially available transducers) a wide variety of measurement parameters.

Required with SmartReader 7 Data Logger
>> TrendReader 2 Software

Required for Ethernet Connectivity
>> TrendReader 2 Software with USB Cable Kit (#TR2-USB)


SmartReader 7 Logger Features

  • 10 Year Battery Life
  • 8 Channels
  • Very Accurate

SmartReader 7 Logger Specifications

General Specifications
Channels Eight: One internal temperature thermistor and 7 analog inputs
Memory 32 KB (32,767 readings)
Size 107 x 74 x 22 mm. (4.2” x 2.9” x 0.9”)
Weight 110 grams (3.75 ounces)
Case Material Noryl Plastic
External Connector Removable screw-type terminal strip with Common (-) connection
Mounting Magnetic backing or locking eyelet
Operating Limits -40°C to 70°C (-40°F to 158°F) and 0 to 95%
Relative Humidity (non-condensing)
Clock Accuracy ±2 seconds per day
Battery 3.6 volt Lithium, 1 Amp-Hour
Battery Life 10 year warranty (under normal use), factory replaceable
Power Consumption 5 to 10 microamps (continuous)
Sampling Methods 1. Continuous (First-in, First-out)
2. Stop when full (Fill-then-stop)
Sampling Rates User selectable rates from 8 seconds to once every 5 days
Resolution 8 bit (1 part in 256)
Software Compatiblity Windows 3.1, 95, 98, 2000, ME, NT, XP, Vista (32-bit), Windows 7 (32-bit and 64-bit)
Software Requirements TrendReader 2 Software and Interface Cable
Certifications and Standards

- Certified to CE standard EN50082-1: 1992 (European Generic Immunity) covering ESD, RFI and EFT/B
-Meets CE standards EN55011 Class B: 1991 (European Radiated Emissions) and CISPR Class B: 1991(International Radiated Emissions)

Resistance to X-Rays - Tested for protection against a 160kV dose @ 5mA for 30
seconds (150mA-sec) @ 38 inches F.F.D. (about 100 times that of an airport x-ray machine)
- Tested for protection against Gamma Ray (equivalent to 0.137-1.38 mega volts) IR 192 - 28 curies @ 30 second exposure source to object
distance 5”

Internal Temperature Sensor
Type Negative Temperature Coefficient Thermistor.
10,000 ohms @ 25°C (77°F)
Accuracy ± 0.2°C, over the range of 0 to 70°C (±0.3°F over the Range of 32 to 158°F)
Range -40 to 70°C (-40 to 158°F)
Resolution 0.4°C (0.7°F) at 25°C (77°F); better than 1 °C (1.8°F) between -25°C and 70°C (-13°F and 158°F); better than 2.0°C (3.6°F) between -40°C and -25°C (-40°F and -13°F)

Analog Input Specifications
Maximum Protection Voltage channels: ±40V (reverse polarity protected)
Current channels: ±70mA (reverse polarity protected)
Accuracy ±1% of full scale
Transducer Restrictions The use of a single power supply is recommended to
avoid ground loops or use loop isolators

Input Impedance for Analog Input Channels
Input Type Input Impedance
0 to 2.5 volts DC Greater than 1M ohm
0 to 5.0 volts DC 20K Ohm
0 to 10.0 volts DC 40.9K Ohm
0 to 200 millivolts DC Greater than 1M ohm
0 to 25 milliamps DC 100 Ohm

External Channel Options for SmartReader 7
Part Number Input Range
SR-007 0 to 2.5 VDC (1 channel)
0 to 5 VDC (2 channels)
0 to 10 VDC (1 channel)
0 to 200 mV DC (1 channel)
0 to 25 mA DC (2 channels)
Internal Temperature Sensor (1 channel)
SR-007-0-10V All external channels: 0 to 10 VDC
SR-007-25mA All external channels: 0 to 25 mA

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