Chauvin Arnoux CA 942 Oscilloscopes with isolated channels (2CH, 40MHz)

HUMAN-MACHINE INTERFACE

Type of display: 3.5” colour TFT – Resolution 320x240 –LED backlighting

Display mode: 2,500 real acquisition points on screen

On-screen display of curves: 2 curves + 2 references + memory trace or mathematical calculation

Commands: Direct adjustments on front panel & on-screen menus via browser (main & secondary without «hidden menus»)

Interactive help function: 14 languages: French, English, German, Spanish, Italian, Swedish, Romanian, Russian, Finnish, etc.

OSCILLOSCOPE MODE

VERTICAL DEFLECTION

Bandwidth: 20 MHz

Bandwidth limieter: 1,5 MHz, 5 kHz

Number of channels: 2 totally-isolated channels

Input impedance: 1 MΩ ±0.5%, approx. 17 pF

Maximum input voltage: 600 V CAT III – Derating -20 dB per decade from 100 kHz

Vertical sensitivity: 5 mV to 200 V/div

HORIZONTAL DEFLECTION

Sweep speed: 25 ns/div to 200 s/div –Roll mode from 100 ms to 200 s/div

Horizontal zoom: Zoom coefficient: x1, x2, x5

TRIGGERING

Mode: Automatic, triggered, one-shot & Triggered Roll

Type: Edge, pulse width (20 ns – 20 s)

Coupling: AC or DC (depending on coupling of triggering channel)), HF, LF or noise rejections

Sensitivity: ≤1,2 divisions p-p up to 40 MHz

DIGITAL MEMORY

Maximum sampling rate: 2 GS/s in ETS mode – 50 MS/s in one-shot mode on each channel

Vertical resolution: 9 bits

Memory depth: 2,500 points per channel

User memory: 2 MB for file storage: trace (.trc), text (.txt), configuration (.cfg), image files (.bmp)

GLITCH mode: Duration ≥20 ns – 1,250 Min/Max pairs

Display modes: Envelope, Averaging (Factors 2 to 64) and XY (vector)

OTHER FUNCTIONS

MATH functions Channel inversion, addition, subtraction, multiplication and division (adjustable scaling)

Cursor measurements 2 cursors: V, T, dV, dt simultaneously – 4-digit display resolution

Automatic measurements 18 time-based or level measurements and Phase measurement

MULTIMETER MODE

General specifications: 2 channels, 8,000-count display + min/max bargraph – Graphical recording of 2,700 measurements (5 min to 1 month)

Operating modes: Absolute or relative display (absolute, deviation, rel, rel%) – Monitoring (instantaneous, Min, Max, Avg)

AC, DC and AC+DC voltages: Ranges From 600 mV to 600 VRMS, 800 mV to 800 VDC –VDC Accuracy 1% Reading +20D –50 kHz bandwidth

Resistance: Range from 80 Ω to 32 MΩ - accuracy 2%R+10D –10 ms quick continuity test

Capacitance: Ranges from 5 nF to 5 mF – basic accuracy 2%R+10D

Other measurements: Frequency, rotation speed, 3.3 V diode test, temperature measurement (by K Thermocouple and infrared sensor)

POWER

Measurements: Single-phase and balanced three-phase active power values (with or without neutral), simultaneous display of current – PF

HARMONIC ANALYSER MODE

Multi-channel analysis: 2 channels, 31 orders, frequency of fundamental from 40 to 450 Hz

Simultaneous measurements: Total VRMS, THD and selected order (%fundamental, phase, frequency, VRMS)

GENERAL SPECIFICATIONS

Screenshots: Up to 100 files in standard «.bmp» format, viewable on the instrument

PC communication: Isolated optical USB interface – SX-Metro PC application available as an option + SX-DMM for multimeter mode

Power supply: 6 x LR6 batteries or 6 x AA NiMH rechargeable batteries – Battery life of up to 8.5 hrs

Safety / EMC: Safety as per IEC61010-1 Ed3 – 600 V CAT III – EMC as per EN61000-3, 2001 & EN61326-1, 2006

Datasheet

Manual