Hydro-Logic
®
Flexi Logger 100
User Manual
6 April 2018
Page 8 of 62
Specification
Sensor inputs
4-20mA input (Pin 2)
•
50-ohm resistance
•
1V loop burden at 20mA
•
16-bit resolution
•
0.1 % accuracy
•
Transient protection
SDI-12 input (Pin 1)
▪
8 channels total, up to 8 sensor
addresses
Digital input 1 (Pin 1)
▪
2s rainfall tip timing resolution
▪
65000 event counts
▪
650Hz max frequency
▪
10K internal pull-up
Digital input 2 (Pin 2)
•
2s rainfall tip timing resolution
•
65000 event counts
•
10Hz max frequency
•
10K internal pull-up
Sensor power supply
Power output (Pin 3)
▪
Switched 12V
▪
120mA output current
▪
Configurable warm-up
Data storage
Storage capacity
▪
29768 16-bit readings total divided
over the enabled non-derived
channels.
Channel structure
▪
(standard) Up to 8 channels with
16-point look-up tables for
engineering value conversion.
▪
(optional) Up to 16 channels with
linear look-up tables.
Storage intervals
▪
10s 30s 1m 2m
5m 10m 15m 30m
1h 2h 3h 4h
6h 8h 12h
▪
Storage interval for each channel
can be set independently.
▪
Data is recorded at cardinal
points.
Communications
Transport
▪
Internal 3G/GPRS mobile data
modem
▪
Local RS232 connection
Protocols
▪
Modbus ASCII
▪
DNP3 (support contract required)
Power
Batteries
▪
Internal 16 Ah Alkaline pack or
Internal 64 Ah Lithium pack
▪
External 12V lead-acid or 6-24V
DC supply