This logger records pulses per interval and can be programmed to record from instruments which output pulses or counts.
Housed in a robust, waterproof (IP68 rated) case.
Sensor Details
Range: 0 to 255 counts/interval
Maximum Frequency: 50 counts/sec
'Divide by' Counter: 1 to 255
Input Type: Digital or volt free contact. For counting bats this would typically be a specialist bat count unit (not included)
Max. Error: +/- divisor/2
Digital:
Low Level: -0.5 V to 1 V
High Level: 2.5 V to 10 V
Min Pulse Width: 150 microseconds (at 5 V)
Min. Pulse Separation: 150 microseconds (at 5 V)
Edge Detection: High-low transition
Contact:
Type: Normally open (with minimal debounce)
Min Closed Time: 150 microseconds
Min Open Time: 500 microseconds
Edge Detection: Open to closed
Features:
Memory Size: 16k (non-volatile)
No. of Readings: approximately 16,000
Resolution: 8 bit
Trigger Start: Magnetic reed switch
Delayed Start: Relative / Actual up to 45 days
Stop Options: When full / after n readings / never (wrap around)
Reading Types: Actual / Min / Max
Logging Interval: 1 sec to 10 days
Offload: While stopped or when logging in minute multiples
Alarms: Two, fully programmable
Functional Range: -40° to +85°C / -40° to +185°F
IP Rating: IP68 waterproof
Battery Life: Up to 5 years (battery replacement recommended every 2 years)
Physical features:
Case Style: IP68 style
Weight: 110 g
Dimensions of Case: 34 x 59 x 80 mm