ITECH IT9121 | Digital Power Meter
Measure power consumption, standby draw, and harmonics on single-phase AC/DC DUTs directly at the test bench.
- ✓ Voltage: Up To 600 Vrms
- ✓ Current: Up To 20 Arms
- ✓ Bandwidth: Up To 100 kHz
Digital Power Meter for AC/DC Power Analysis
ITECH IT9121: Measuring Power Consumption and Energy Use
The ITECH IT9121 is a digital power meter for AC/DC measurements on power supplies, motors, UPS systems, household appliances, and electrical loads.
It captures voltage, current, active power, reactive power, apparent power, power factor, frequency, and phase angle in single-phase two-wire measurements.
Measurement Range, Bandwidth, and Standby Consumption
The ITECH IT9121 measures up to 600 Vrms and 20 Arms, operates with 100 kHz bandwidth, and achieves 0.1% accuracy for voltage and current. The 5 mA current range supports measurements of small load currents, for example in standby consumption, ENERGY STAR tests, and no-load power consumption.
Harmonics, Waveform, and Energy over Time
Harmonic Mode analyzes harmonics up to the 50th order, including THD (Total Harmonic Distortion). The oscilloscope display shows voltage and current waveforms directly on the instrument, making trends and signal changes visible without a separate oscilloscope.
Integration functions capture current and active power over time, for example for energy consumption, energy import, and feed-in.
Display, Data Logging, and Test Bench Integration
The 4.3-inch TFT display shows one, four, or twelve measured values simultaneously; display parameters and sequence can be adapted to the measurement task.
USB, RS232, and LAN integrate the power meter into test benches and ATE systems; measurement data can be saved using PC software. GPIB is optional.
Instrument Class and Scope
The ITECH IT9121 measures power and energy on single-phase AC/DC DUTs. Power sources, electronic loads, electrical safety testing, and multi-channel power analysis require a different instrument class.
Alternative Products
If the test task focuses on single-phase AC power measurements, the GW Instek GPM-8213 is a suitable alternative. For single-phase AC power measurements with extended interfaces, consider the GW Instek GPM-8310. If multiple DC channels, source/load modules, or modular power analysis are required, the ITECH IT2705 is the better fit.
Related Product Categories
DMM / Digital Multimeter | Multimeters & Test Devices | Test Systems | Power / Power Supplies / Loads
Match the IT9121 to Your Power Measurement Task
Measuring standby consumption, power draw, or harmonics on single-phase AC/DC DUTs? We help define range, bandwidth, interfaces, and whether a power meter or power analyzer is the better fit.
Specifications
| Product Class | digital power meter / power meter |
|---|---|
| Topology | single-phase two-wire system, 1P2W |
| Measurement Range IT9121 | 600 Vrms / 20 Arms |
| Voltage Ranges | 15 V to 600 V, 6 ranges in total |
| Direct Current Measurement Range | 5 mA to 20 A, 12 ranges in total |
| External Current Sensor Input EX1 | 50 mV to 2 V, 6 ranges in total |
| External Current Sensor Input EX2 | 2.5 V / 5 V / 10 V, 3 ranges in total |
| Bandwidth | DC, 0.5 Hz to 100 kHz |
| Voltage and Current Accuracy | up to 0.1%, depending on frequency, measurement range, and signal conditions |
| Power Measurement | active, reactive, and apparent power as well as power factor, frequency, and phase angle |
| Power Accuracy at λ = 0 | ±0.2% of S from 45 Hz to 66 Hz |
| Harmonic Analysis | up to the 50th order |
| THD Measurement | Total Harmonic Distortion for voltage, current, and power |
| Oscilloscope Function | display of voltage and current waveforms |
| Trend and Histogram Display | display of measurement trends directly on the instrument |
| Integration Functions | current integration and active power integration in Wh |
| Buy/Sell Mode | measurement of imported and exported energy |
| Display | 4.3-inch color TFT with 480 × 272 pixels |
| Display Views | View1, View4, and View12 with freely selectable measurement parameters and sequence |
| A/D Conversion | 18 bit, maximum conversion rate 10 µs |
| Line and Frequency Filters | switchable, cutoff according to manufacturer specification 500 Hz or 200 Hz in the frequency measurement section |
| Synchronization Source | selectable voltage, current, or data update period |
| Interfaces | USB, USB peripheral, RS232, and Ethernet/LAN |
| GPIB | optional, availability to be checked with ITECH before ordering |
| Power Supply | 100 VAC to 240 VAC, 47 Hz to 63 Hz |
| Power Consumption | maximum 50 VA |
Options & Accessories
| IT-E33620-OO | 360 A, 2.0 m, ring terminal to ring terminal |
|---|---|
| IT-E32410-OO | 240 A, 1.0 m, ring terminal to ring terminal |
| IT-E32420-OO | 240 A, 2.0 m, ring terminal to ring terminal |
| IT-E30615-OO | 60 A, 1.5 m, ring terminal to ring terminal |
| IT-E31220-OO | 120 A, 2.0 m, ring terminal to ring terminal |
| IT-E30312-YY | 30 A, 1.2 m, Y terminal to Y terminal |
| IT-E30320-YY | 30 A, 2.0 m, Y terminal to Y terminal |
| IT-E190-25A | current sensor, 25 A |
| IT-E190-50A | current sensor, 50 A |
| IT-E185 | measuring adapter (250 V / 15 A) |
| IT-E9005 | ITECH warranty up to 5 years |
| IT-E9003 | ITECH warranty up to 3 years |
Scope of Delivery
| IT9121 unit(s) |
| USB connection cable |
| AC power cord |
Applications
| UPS Systems | measurement of power, energy, frequency, power factor, and harmonics |
|---|---|
| Switching Power Supplies | power and harmonic measurements in R&D and production |
| ENERGY STAR Tests | measurement of low currents and standby consumption using the 5 mA range |
| Motors | measurement of power consumption, power factor, harmonics, and energy consumption |
| Household Appliances | consumption measurements with voltage, current, power, and trend display |
| AC/DC Adapters | measurement of AC input power consumption with optional IT-E185 measuring adapter |
| Charging Stations | measurement of efficiency, input harmonics, and standby power consumption |
| Photovoltaic and Wind Energy Systems | power measurements on inverters and energy conversion systems |
| Electronic Devices with Power Supply | measurement of voltage, current, power, frequency, and harmonics |
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Links & Downloads
Available Documents (Subject to Change)
Supplier
ITECH is one of the world's largest manufacturers of AC and DC power supplies. The group's diversified product portfolio includes battery testing and power supply test systems. The company's focus is on a competitive price-performance ratio.