Chapter 7: Reference
26 HOBO Energy Logger Pro User’s Guide
Chapter 7:
Reference
This chapter discusses the following reference topics:
a Detailed specifications
a Accessories
a Warranty
a Returns
a Repair Policy
a Contacting Technical Support
Detailed specifications
Operating range -20° to 50°C (-4° to 122°F) with alkaline batteries
-40° to 60°C (-40° to 140°F) with lithium batteries
Sensor inputs Three FlexSmart multi-channel modules and up to 6 Smart Sensors (which may have
multiple parameters/channels)
Sensor
connectors
Six RJ-12 Smart Sensor jacks plus 3 FlexSmart
module slots
Communication RS-232 via 3.5 mm serial port or/and 9-pin D-Sub connector
Dimensions 15.6 cm x 8.4 cm x 4.6 cm (6.13" x 3.31" x 1.81")
Weight 435 g (15.23 oz) with batteries
238 g (8.33 oz) without batteries
Memory 512K nonvolatile flash data storage
Memory modes Stop when full; wrap when full
Operational
indicators
Six indicators provide logging and sensor network status
Logging interval One second to 18 hours, user-specified interval
(2-second minimum for two-channel S-FS-TRMSA operation)
Sensor
excitation
12 V DC at 200 mA total, with user-programmable warmup time on a per-channel basis
Battery life One year typical use (up to 75 mA excitation with 10-minute or longer logging Interval
and 1-second warmup time)
Battery type Eight standard AA alkaline batteries included (for operating conditions -20°C/-4°F to
50°C/122°F); optional AA lithium batteries available for operating conditions of -40° to
60°C (-40° to 140°F).
External power Supports optional 13.6 V DC regulated AC Wall Adapter Connector. Internal batteries
may remain installed. Alternatively, an automotive battery or 9-12 V DC regulated Wall
Adapter may be used, but it is recommended to remove the internal batteries since they
will discharge to the level of the external supply.
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