Specifications
20
SmartReader 8
FEATURES
• Eight channels
• Monitor temperature
in eight different loca-
tions
• Use with a variety of
different temperature
probes:
- General purpose
- High temperature
- Low temperature
- Waterproof temperature
- Oven temperature
- Skin surface temperature
- Pipe surface temperature
Eight-Channel Temperature (Thermistor) Data Logger 
The SmartReader 8 data logger can measure temperature in eight different loca-
tions simultaneously  using ACR’s ET series  thermistor probes.  Monitor and
record high temperature, low temperature, pipe surface, skin surface, or a vari-
ety of other temperatures. 
Order Information
MODEL MEMORY  CATALOG #
SR-008  32 KB  01-0036
PRODUCT SPECIFICATIONS
No. of Channels:
Eight - One for ambient temperature
- Seven for temperature (with thermistors), 
resistance, or switch status 
Memory Size:
32 KB
Common Specifications:
See page 15
Software Specifications:
See page 34
Remote & Network Communications:
See page 38
Accessories:
ACR ET Series Temperature Probe or any NTC 
thermistor probe
Three-Channel Pulse Data Logger 
The SmartReader 9 is a versatile data logger designed for counting and record-
ing digital pulses or switch contact closures.  It has two input channels, each
with  three  selectable  frequency  ranges.    Data  can  be  displayed  in  custom
engineering units using the simple equation editor of ACR’s TrendReader
®
Standard software. It also has one internal channel for recording ambient tem-
perature.
Order Information
MODEL MEMORY  CATALOG #
SR-009 32 KB 01-0037
PRODUCT SPECIFICATIONS
No. of Channels:
Three - One for ambient temperature 
- Two for externally-generated pulse signals or 
dry switch contact closures
Ranges:
32 pulses/second
64 pulses/second
128 pulses/second
Minimum Pulse Width:
4 milliseconds
Switch Contact Closure Input:
Input type:  Uncommitted switch or relay contacts
Voltage Inputs:
Input type: Active logic signals
Input voltage: Low = 0 to 0.5 volts DC
High = 4.5 to 24 volts DC
Input Impedance:
750K ohms
Memory Size:
32 KB
Common Specifications:
See page 15
Software Specifications:
See page 34
Remote & Network Communications:
See page 38
FEATURES
• Three channels
• Count digital pulses
or dry switch con-
tact closures (i.e.
on/off, open/close) 
• User selectable fre-
quency ranges
SmartReader 9










