8
Sentinel
™
Data Loggers
Sentinel
™
Data Loggers
9
CHAPTER 3
SPECIFICATIONS
3.1 Sentinel
™
Voltage Logger - Model SDL-V301
ELECTRICAL
All measurements are TRMS based on 64 samples per cycle.
Range:
0 to 600V
AC
; 0 to 850V
DC
Display Resolution:
0.1V
Accuracy:
± (0.25% of R 0.6V) from 85 to 600V
AC
(850V
DC
)
± (1.0% of R 0.6V) from 5 to 85V
AC/DC
Accuracy specifications apply in the 23°C ± 5°C (30 to 50% RH) range. Add 200 ppm/°C from -10° to
18°C and 28° to 50°C to all accuracy specifications. Sinusoidal voltage with frequency 50 or 60Hz ± 3Hz.
Calibration cycle is 1 year.
POWER
Power Source:
Four 1.5V, C size alkaline batteries.
Operating Time (@ 25°C):
Storage Rate < 2 Sec:
100 hrs
Storage Rate 5 Sec, 6 Sec:
20 days
Storage Rate 10 Sec, 15 Sec:
45 days
Storage Rate > 30 Sec:
90 days
An internal lithium battery (>2.8V) provides additional memory back up for
up to 30 days.
If the unit is connected to DataView
®
via PC, the operating time is 100
hours regardless of the storage rate.