Hoffer Flow Controls HIT-2A, User Manual

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Specification 4
HP-306
Reset:
Signal Type: Contact closure to DC common
High (Logic 1): 4 to 30 VDC
Low (Logic 0): < 0.5 VDC
Min Current: 0.5 mA
Min On: 25 msec
Internal Pull-up: 100 k
Ω
to +3.3 VDC
External Magnet: Activates internal reed switch
2-3 Battery Powered Version
Type: Two C-size lithium battery packs.
Battery Life: 6 years typical
*
10 years typical
*
for external power.
*
With the pulse output OFF. With pulse output ON 30% less.
2-4 DC Power/Loop Powered
Voltage: 8 to 30 VDC
Current: < 4 mA
Loop Burden: 8 VDC maximum
Supply Backup: One (1) C-size Lithium battery
Protection: Reverse polarity protected
2-5 AC Power
Voltage: 100 to 240 VAC
Frequency: 47 – 440 Hz
Current: 150 mA
Line Regulation:  0.3%, typ
Protection: Short circuit, Over voltage, & Over
temperature
Supply Backup: One (1) C-size Lithium battery
2-6 Analog (4-20mA) Output Option
Scale: 4 – 20 mA follows rate.
Accuracy: 0.02% of Full Scale @ 20ºC.
Temperature drift: 40 ppm/°C
Update Time: 2.0 seconds.
Connection: Two wire.
Protection: Reverse polarity protected