Joule and wattmeter

531831

8 Joule and wattmeter

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Description

For measurement and display of rms voltage V and current I for any wave form, plus active power P and the integral of time of P(t) (work), V(t) (surge) and I(t) (charge). The power range extends over 12 decades (from nW to kW).
The integrated electrically isolated USB port makes it possible to display and evaluate the waveforms of V(t), I(t) and P(t) their rms values, active power, apparent power and power factor (cos phi) with the supplied Windows software. * At sinusoidal input signal
** The specified accuracy applied at the end of the measuring range for DC as well as for AC with a frequency of 50 or 60 Hz and a crest factor = maximum value : effective value ≤ 2.

Technical data

Voltage measurement V:
Measuring range DC: ±5/±50/±500 mV, ±5/±50/±250 V
Measuring range AC*: -/-/350 mV, 3.5/35/250 V
Resolution of display: 1/10/100 µV, 1/10/100 mV
Input resistance: ≥1 MΩ
Current measurement I:
Measuring range DC: ±0.2/±2/±20 mA,
±0.2/2/10 A
Measuring range AC*: 0.14/1.4/14 mA, 0.14/1.4/10 A
Resolution of display: 0.1/1/10 µA, 0.1/1/10 mA
Input resistance: 10 Ω/approx. 0.01 Ω (shunt)
Power measurement P:
Instrument range: ±10/±100 µW, ±1/±10/±100 mW, ±1/±10/±100 W, ±1/±2.5 kW
Resolution of display: 1/10 nW,
0.1/1/10 µW, 0.1/1/10 mW, 0.1/1 W
Integration U, I, P:
Instrument range ∫ V(t) dt: from 0.000 mVs to ±9999 kVh
Instrument range ∫ I(t) dt: from 0.0 µAs to ±9999 kAh
Instrument range ∫ P(t) dt: from 0.000 µWs to ±9999 kWh
Measuring range selection: automatic or manual
AC/DC change-over: automatic or manual
Measuring accuracy U, I**: 1%
Connection of the load: optional 4 mm safety sockets or earthed socket (front panel)
Display: 5-digit, 7-segment display for numerical value and 7x15 matrix for unit
Height of digits: 25 mm
Scanning rate: max. 10,000 values/s (for waveforms via computer)
USB port: USB 1.x and 2.0 (full speed), electrically isolated
Supply: 230 V, 50/60 Hz
Dimensions: 20 cm x 21 cm x 23 cm
Weight: approx. 2 kg

Related Documents

PDF (Instruction Sheet)	[531 831] Joule and wattmeter
PDF (Experiment description)	P2.3.4.2 Converting electrical energy into heat energy - Measuring with the joule and wattmeter
PDF (Experiment description)	P2.6.3.1 Determining the efficiency of the heat pump as a function of the temperature differential
PDF (Experiment description)	P2.6.3.3 Analyzing the cyclical process of the heat pump with the Mollier diagram
PDF (Experiment description)	P3.6.6.3 Quantitative comparison of DC power and AC power in an incandescent lamp (de)
PDF (Experiment description)	P3.6.6.4 Determining the crest factors of various AC signal forms (de)
PDF (Experiment description)	P3.6.6.5 Determining the active and reactive power in AC circuits
PDF (Experiment description)	C4.4.5.2 Determination of the Faraday constant
PDF (Experiment description)	D2.2.1.1a Thermal energy and rises in temperature
PDF (Experiment description)	D2.2.1.2a Thermal energy and mass
PDF (Experiment description)	D2.2.1.3a Thermal energy and materials
PDF (Experiment description)	D2.2.1.4a Specific heat of water (de)
PDF (Experiment description)	D3.4.5.1b Charging and discharging a capacitor - Joulemeter and wattmeter (de)
PDF (Experiment description)	D3.4.6.1a Electrical power for various loads (de)
PDF (Experiment description)	D3.4.6.2b How electrical power depends on current (de)
PDF (Experiment description)	D3.4.6.3b How electrical power depends on voltage (de)
PDF (Experiment description)	D3.4.6.4a Electrical power and the luminance of light bulbs (de)
PDF (Experiment description)	D3.4.6.5a How electrical work depends on time (de)
PDF (Experiment description)	D3.4.6.7b Electrical work done by an immersion heater - Joulemeter and wattmeter (de)
PDF (Experiment description)	D3.4.6.8a Electrical work when cooking (de)
PDF (Experiment description)	D3.4.7.1c Efficiency of a DC motor - Measurement with joulemeter and wattmeter
PDF (Experiment description)	D3.4.7.2b Efficiency of a tachogenerator - Measurement with joulemeter and wattmeter
PDF (Experiment description)	D3.4.7.3b Conversion of electrical energy into thermal energy - Measurement via joulemeter and wattmeter
PDF (Experiment description)	D3.4.7.7a Characteristic power curve for a solar cell

Downloads

MSI	CASSY Lab 2 (en, V2.30)
MSI	CASSY Lab 2 (fr, V2.30)
MSI	CASSY Lab 2 (es, V2.30)
MSI	CASSY Lab 2 (pt, V2.30)
MSI	CASSY Lab 2 (it, V2.30)
MSI	CASSY Lab 2 (nl, V2.30)
MSI	CASSY Lab 2 (ru, V2.30)
MSI	CASSY Lab 2 (zh, V2.30)
Manual	CASSY Lab 2 Manual (en)
Manual	CASSY Lab 2 Manual (fr)
Manual	CASSY Lab 2 Manual (es)
Web Link	CASSY Lab 2 Web Help (en)
Web Link	CASSY Lab 2 Web Help (fr)
Web Link	CASSY Lab 2 Web Help (es)
ZIP	CASSY SDK for own software development (Windows/Linux)
ZIP	LabVIEW driver for LabVIEW 2017 or higher (Windows)
ZIP	MATLAB driver with examples (Windows)

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Joule and wattmeter

Description

Technical data

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Downloads

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