Delphin
ACR DATA LOGGERS. Low cost battery powered portable data loggers and software
Measurement Guide.  Quick comparison
table
Application Guide.

Match the right logger to your application with
the product guide
Temperature Thermister
Temperature Thermister
SmartReader 1
2
-60 to 255 C (-76 to 497 F)
8
 32767
SmartReader 8
8
-60 to 255 C (-76 to 497 F)
8
 N/A
SmartReader Plus 1
2
-60 to 255 C (-76 to 497 F)
12
 1048000
SmartReader Plus 8
1
-60 to 255 C (-76 to 497 F)
12
 1048000
OWL 100
1
-40 to 70 C (-40 to 158 F)
8
 32767
OWL 200
1
-40 to 70 C (-40 to 158 F)
8
 32767
JR 1000
1
-40 to 85 C (-40 to 185 F)
8
 32767
JR1001
1
-40 to 85 C (-40 to 185 F)
8
 32767
SmartButton
1
-40 to 85 C (-40 to 185 F)
8
 2048
Data Logger
Channels
Measurement Range
Resolution
Max
Readings
Temperature Thermocouple
SmartReader 5
3
J,K,S,T Thermocouple Ranges
8
 32767
SmartReader 6
7
J,K,S,T Thermocouple Ranges
8
 32767
SmartReader Plus 5
3
E,J,K,S,T Thermocouple Ranges
12
 87000
SmartReader Plus 6
8
E,J,K,S,T Thermocouple Ranges
12
 1048000
Temperature RTD
SmartReader Plus
10
4
-230 to 300 C (-385 to 572 F)
8
87000
Temperature Waterproof
Nautilus 85
1
-40 to 85 C (-40 to 185 F)
8
 244800
Nautilus 135
1
10 to 135 C (50 to 275 F)
8
  
Relative Humidity
SmartReader 2
4
-40 to 70 C (-40 to 158 F) 0-95% RH
8
32767
SmartReader Plus2
4
-40 to 70 C (-40 to 158 F) 0-95% RH
12
87000
TRH 1000
2
-40 to 70 C (-40 to 158 F) 0-100% RH
8
65000
Electrical: Current & Voltage
Electrical: Pulse & Switch Contact
Electrical: Power Quality
PowerWatch 120V
2
100-120V Single Phase
NA
4000
PowerWatch
220/240V
8
-60 to 255 C (-76 to 497 F)
NA
4000
SmartReader 9
3
256 pulse/sample rate max
8
 32767
SmartReader Plus 9
4
4095 pulse/sample rate max
12
 87000
Pressure
SmartReader 4
2
0 to 5,30,100,1500 PSI
8
 32767
SmartReader Plus 4
8
0 to 5,30,100,1500 PSI & 10" WG
12
 87000
SmartReader Plus 4
LPD
2
+/- 0.5,1,2,5,10" WG
12
21500
Process
SmartReader 7
8
2.5V,5V,25ma,200mv
8
32767
SmartReader Plus 7
8
2.5V,5V,25ma,200mv
8
1048000
OWL 400
1
0-38.4Vdc max
12
 32767
OWL 500
1
0-24mA dc
12
 32767
Carbon Dioxide & other gases
IAQ Logger
2
-40 to 70 C (-40 to 158 F) & 0-95% RH;0-4000
ppm CO2
8
32767
SmartReader 3
4
50 or 60hz 5 to 500A (3000A CT available)
   32767
SmartReader Plus 3
8
50 or 60 hz 5 to 500A (3000A CT available) 120V
ac
or 480V ac
8
1048000
OWL 300
1
available)
12
32767