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Appendix A:
DataNet Specifications
A.1.
Data Logger Input Types
DNL910, DNL920 and PA Models
External Inputs
Four external inputs with selectable
sensor type for each input:
•
4 to 20 mA
•
0 to 1 V
•
0 to 50 mV
•
PT-100
(2-wire)
•
Contact
(Open/Closed)
•
Thermocouple J, K or T
•
Pulse counter (Input 4 only)
•
Frequency (Input 4 only)
•
User-defined
sensors
Internal Inputs
DNL910
•
PT-100
Temperature
DNL920
•
Digital
Temperature
•
Digital Relative Humidity
DNL804
External Input
Current 4 to 20 mA
Internal Inputs
None
DNL808
External Input
NTC 10 K
Ω
Internal Inputs
None