H2scan TM Catalog 2025 - Flipbook - Page 21
Sentinel™ PRO
IoT MONITOR
For utilities facing transformer failures from harmonics, lack of
visibility, overloading, etc., Sentinel PRO delivers the multi-parameter intelligence utilities need. Manage power quality and transformer health with predictive, real-time data delivered seamlessly
to optimize operations with a complete, integrated solution.
H2scan Sentinel PRO pairs with
GRIDSCAN 5000, 6000, or AO-2
Speci昀椀cations
Power Quality Functions
Product Details
Dimensions
240 x 134 x 55 mm (9.44 x 5.27 x 2.16 in)
Communications
Global availability on cellular: 3G, 4G, LTE, NB-loT
Optional - Modbus/TCP, “Last Gasp” alert in case
of interruption, internal secure storage 60+ days data
IP Rating
IP 67, for both indoor and outdoor applications
Installation
Neodymium magnetic attachment, wall/pole
mount bracket, Din-rail
Power quality measurements comply with EN 61000-4-30 Class S
Voltage
Measurements
Frequency (10 second average), Flicker (Pst and Pit),
Supply voltage dips and swells, Voltage interruption,
Supply voltage unbalance, Voltage harmonics (50th),
Voltage inter-harmonics, Rapid voltage change, voltage
phase angle, VRMS (1 cycle), VRMS (10/12 cycle),
voltage waveform buffer with a sample rate of 5120 Hz
Current
Measurements
Neutral current can be directly measured, Current
harmonics (40th), Current inter-harmonics, Current
unbalance, Current phase angle, IRMS (1 cycle),
IRMS (10/12 cycle), Current waveform buffer with a
sample rate of 5120 Hz
Voltage Measurement
Nominal Voltage
240 VAC @ 50 Hz/ 110 VAC @ 60 Hz
Operating Limits
87 VAC to 264 VAC @ 50 Hz
99 VAC to 121 VAC @ 60 Hz
Device Burden
10 VA (without accessories) 30 VA
(with accessories)
Total Voltage Harmonic Distortion, Total Current Harmonic Distortion, Voltage
Under and Over Deviation, Current Under and Over Deviation
External PSU
Not required
Additional Monitoring
Measurement Range
Limits
0 VA to 400 VAC
Voltage Connections
Ground mount: G clamp, voltage test lead,
fused carrier, etc., pole mount: fused insulation
piercing clamp (IPC)
Current Measurement
DGA Compatibility
H2scan GRIDSCAN 5000 or 6000
Phases
3P + N
Current Ranges
100 A, 600 A, 3000 A, 6000 A
Input Ratio
22.5 mV/kA
Accuracy
Class 0.5
Safety Category
1000 V CAT III, 600 V CAT IV
Product Standards
CE, IP66, RoHS 2.0
Power Quality
Measurement
High speed sampling of 480V (and below) three phase
voltage and current using non-intrusive Rogowski coils
Calculation, presentation and storage of Power Quality
metrics that include Active & Reactive Power, Frequency,
Total Harmonic Distortion, Dips, Brown-Outs, and Voltage
and Current excursions
Power Quality
Voltage Monitoring
Supply interruption (
