Kabani Tech Pvt Ltd 3-Phase Smart Energy & Harmonics Logger

The Last
Man "Meter"
Standing.

Precision power quality measurement, deep harmonic analysis, and uninterrupted IoT connectivity — engineered for the harshest field conditions.

IP65 Rugged Always On IoT Connected 0.5S Accuracy 15th Order THD Battery Backup
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Harmonica IoT Power & Harmonics Analyser
600+
Transformers
Deployed
150+
Measurable
Parameters
15th
Harmonic
Order
0.5S
Accuracy
Class
3-Phase Voltage & Current THD — Voltage & Current Individual Harmonics to 15th Order Active · Reactive · Apparent Energy Power Factor — Phase & Average GPS Location Tracking Temperature & Humidity 2G / 4G Auto-Switching LiPo Battery Backup SD Card Offline Logging 3-Phase Voltage & Current THD — Voltage & Current Individual Harmonics to 15th Order Active · Reactive · Apparent Energy Power Factor — Phase & Average GPS Location Tracking Temperature & Humidity 2G / 4G Auto-Switching LiPo Battery Backup SD Card Offline Logging
Problem Statement

Power quality problems
are silent — until they're not.

Conventional energy meters measure consumption. They say nothing about power quality — and they stop working the moment power does.

Harmonica was built to solve a real field problem: continuous monitoring of electrical parameters on distribution transformers, across hundreds of sites, in conditions conventional equipment cannot survive.

⚡
Harmonics go undetected
Distorted waveforms silently degrade transformers and motors over time — standard meters never report them.
📴
Meters fail during outages
The moment power quality is most critical — during faults and fluctuations — conventional meters go dark.
🗺️
No remote visibility
Field teams manually collect data from dispersed sites, introducing delay and error into every measurement cycle.
🌡️
Hardware fails in the field
Dust, heat, and moisture destroy standard enclosures. Field deployments demand purpose-built ruggedisation.
Technical Capabilities

Built for complete
electrical insight.

01
Power
Measurement
3-Phase Voltage
Phase and line voltage across all three phases with high-precision sampling
Current (0–1000A)
Clamp-on CT via Meco 1000A sensors — non-intrusive installation on live conductors
Active, Reactive & Apparent Energy
Full energy accounting: kWh, kVAh, kVARh — per phase and aggregate
Power Factor
Phase-wise and average PF for load characterisation and penalty monitoring
Frequency
Real-time grid frequency monitoring for power quality and stability
150+ Parameters
Complete three-phase parameter set transmitted to cloud on every interval
02
Harmonics &
Power Quality
THD — Voltage
Total Harmonic Distortion of supply voltage, flagging grid-level distortion
THD — Current
Load-side current distortion — critical for identifying non-linear load impact
Individual Harmonics to 15th
Per-harmonic amplitude — enables precise root-cause diagnosis
k-Factor Analysis
Transformer load stress factor for derating under non-sinusoidal conditions
03
Environmental
& Location
Built-in GPS
Lat/long tagging on every data record — verifiable field deployment
Temperature Sensing
Ambient temperature monitoring at the measurement point
Humidity Sensing
Relative humidity tracking for equipment health assessment
GPS-Tagged Image Upload
Photo evidence with embedded GPS — proof of deployment for audit compliance
Core Differentiator

Always on.
Even when
power isn't.

Harmonica is the only field logger engineered to keep monitoring — and keep transmitting — regardless of grid state.

01
Smart Power Selection Circuit
Monitors all three phases continuously. If one or two phases fail, the system automatically switches to the remaining live phase — with zero interruption to logging or data transmission.
02
LiPo Battery Backup
During complete power outages, the on-board lithium polymer battery sustains cloud communication and sends real-time outage alerts — ensuring the failure event itself is captured and reported.
03
IP65 Rugged Enclosure
Fully sealed against dust and water ingress. Forced cooling enables operation in high ambient temperatures typical of outdoor transformer sites.
04
Offline SD Card Logging
When cellular connectivity drops, data is written locally to SD card and automatically synced to cloud on reconnection — no gaps in the data record.
Phase R — Active
Phase Y — Fault
Phase B — Active
IoT Cloud — Online
Battery — Standby
System Online
Monitoring
Active
1 Phase Down
Auto-Switched
Field Validation

Proven across
600+ transformers.

600+
Distribution transformers tested and deployed under varied field conditions
2
Major state utilities — BESCOM (Karnataka) and TNEB (Tamil Nadu)
BEE
Deployed under Bureau of Energy Efficiency field assignments
0↓
Data gaps reported — offline logging ensures record continuity
BEE Accredited Partner — Athul Energy Consultants Pvt Ltd
"

The device has been successfully tested and utilized across more than 600 distribution transformers spanning Karnataka (BESCOM) and Tamil Nadu (TNEB), operating under varied field conditions. Throughout these deployments, the system has demonstrated consistent performance, reliability, and stability, with effective remote data acquisition capabilities.

We found the solution to be practical, robust, and well-suited for real-world utility applications, particularly in large-scale monitoring scenarios.

AE
Athul Energy Consultants Pvt Ltd
BEE Accredited Energy Audit Firm · Thrissur, Kerala · Ref: AEC/26-27/Letter-01
Cloud Platform

Powered by
Kabani Connect.

Real-time visibility across every deployed device, with validated field data and automated reporting.

01
Live Device Dashboard
All connected units in a single view — GPS map, status indicators, and real-time parameter readouts across the fleet.
02
GPS-Tagged Image Uploads
Field engineers upload geo-stamped photographs alongside electrical data — tamper-proof audit trail and proof of site access.
03
Automated Data Export
Scheduled Excel exports, daily report generation, and Google Drive integration — data flows directly into your reporting workflow.
04
Configurable Upload Intervals
From 30-second real-time to hourly summary uploads — matched to the demands of the monitoring assignment.
kabaniconnect.com — Device Overview Live
Device 1
234.6 V
Device 2
6.8 A
Device 3
0.93 PF
Device 4
46.1 kW
Device 5
50.03 Hz
Device 6
377 kWh
Active Power — kW (24h)
Interval: 30s · 6/6 online Export Excel ↓
Applications

Where Harmonica
is deployed.

01
Distribution Transformer Monitoring
Secondary-side parameter monitoring for utility-scale transformer health assessment — proven across BESCOM and TNEB networks.
02
BEE Energy Audits
Field-grade accuracy aligned with Bureau of Energy Efficiency audit methodology. GPS-tagged data provides verifiable field evidence.
03
Industrial Power Quality
Identify harmonic sources in manufacturing and process environments. k-Factor analysis guides transformer derating decisions.
04
Large-Scale Utility Monitoring
Centralised fleet management via Kabani Connect — hundreds of devices, one dashboard, automated reporting across the grid.
05
Remote Electrical Infrastructure
2G/4G auto-switching and offline SD logging ensure continuous data capture even where connectivity is intermittent.
06
Renewable Energy Integration
Monitor solar and wind interconnection points for power quality compliance, injection measurement, and harmonic analysis.
Technical Specifications

By the numbers.

Harmonica is designed for utility-grade accuracy and industrial robustness. Every specification reflects the demands of real-world field deployment at scale.

All parameters are transmitted to the Kabani Connect IoT cloud platform. Historical data is accessible with custom time filters, Excel export, and Google Drive integration.

Accuracy Class0.5S Class Precision
Current Range0 – 1000 A (Meco CT)
Measurable Parameters150+ Three-Phase Parameters
Harmonic AnalysisTHD + Individual to 15th Order
k-FactorTransformer load stress analysis
Cellular Connectivity2G / 4G Auto-Switching SIM
Upload IntervalConfigurable — minimum 30 seconds
Offline StorageSD Card — auto-sync on reconnect
Enclosure RatingIP65 Rugged
CoolingForced — high ambient temperature rated
Battery BackupLiPo — maintains cloud comm during outages
Phase ResilienceContinues on 1 of 3 phases active
LocationBuilt-in GPS — latitude & longitude
SensorsTemperature + Relative Humidity
Data ValidationGPS-tagged field image upload
Cloud PlatformKabani Connect — harmonicameters.com
Data ExportExcel, Google Drive, Automated Daily Reports
Get Started

Ready to deploy
Harmonica?

Trusted by BEE-accredited energy auditors. Proven across 600+ distribution transformers.

Request Deployment harmonicameters.com +91 89213 57757