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CHAUVIN ARNOUX
C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X

C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X

Product catalog summary

Overview: The document provides technical specifications and usage guidelines for the C.A 742 and C.A 762 low-voltage two-pole voltage absence testers, designed for ensuring safety before electrical work. These devices comply with IEC 61243-3 standards and are suitable for both indoor and outdoor use.

Specifications:

Voltage Detection: Capable of detecting voltages from 12 V to 690 VAC and 12 V to 750 VDC, with frequency ranges from DC to 800 Hz.
Input Impedance: Greater than 300 kΩ for C.A 742 and greater than 400 kΩ for C.A 762.
Protection: Rated at IP65 for casing and IP2X for test probes, suitable for use in temperatures from -15 °C to +45 °C.
Power Supply: Operates on 2 x 1.5 V AAA batteries, with a battery life of approximately 7,000 to 7,500 measurements.

Features:

Integrated Autotest: Includes power source check, indication system check, and cable continuity test.
Phase Sequence Testing: Supports phase sequence testing up to 400 Hz.
Continuity Testing: Audible and visual continuity tests with thresholds at 100 Ω, 2 kΩ, 60 kΩ, and 300 kΩ.
Safety Features: Includes a protective guard, redundant safety for power supply faults, and an ELV LED indicator for voltages exceeding 50 VAC/120 VDC.

Accessories:

IP2X Test Probes: Removable and replaceable, designed for enhanced safety.
Adapters: C.A 751 and C.A 753 adapters for 2P+E sockets, ensuring good electrical contact and voltage detection.
Additional Accessories: Includes probe-holder leads, crystal safety caps, and various test probes for different applications.

Recommendations: It is recommended to perform measurements with the power off to prevent electrical hazards, in compliance with standards such as EN 50110-1 and NF C 18-510.

Catalog excerpts

C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X-1

C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X Low-voltage two-pole voltage absence testers Essential before starting any work Full integrated autotest Voltage testing up to 690 VAC (16 2/3 Hz - 800 Hz) / 750 VDC Single-pole phase test Phase sequence testing up to 400 Hz Continuity testing Removable test probe and cable IP2X versions for even greater safety

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C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X-2

Voltage Absence Testing (V.A.T.), In the context of work on installations connected to the electrical distribution network, it is recommended to perform the measurements with the power off (EN 50110-1, NF C 18-510, etc.) to prevent any electrical hazards. The genuine absence of any voltage must be checked using a speciﬁc instrument which complies with the IEC 61243-3 standard: a Voltage Detector. Comfortable use Specially designed for use with Individual Protective Equipment (IPE), the IP2X test probes are ﬁtted with a spring ensuring a force of 10 N: this means users can perform quick tests...

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C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X-3

a clearly-defined procedure AC and DC voltage testing The audible and visual AC and DC voltage detection function is characterized by: • Use of 2 test probes in contact • A bargraph made of extra-bright green LEDs for voltages under 25 V (very low voltage) and red LEDs for hazardous voltages • One redundant ELV • A loud audio signal which can be heard even in noisy environments 2-wire phase rotation with microprocessor Simple and quick, phase rotation is a useful function, including for circuits isolated by an isolating transformer. The indication L1-L2-L3 (or L1-L3-L2) is clear and consensual...

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C.A 742 - C.A 742 IP2X, C.A 762 - C.A 762 IP2X-4

Technical specifications Voltage detection Voltage Input impedance Polarity indication Yes The red ELV (Extra Low Voltage) LED indicates that the voltage is higher than the SELV (Safety Extra Low Voltage) and the faster it flashes, the higher the voltage present. Hazardous voltage indication Phase / Neutral identification Continuity with buzzer Trigger threshold Above a typical value of 120 V* (45 - 65 Hz) – Above 400 V (16 2/3 Hz - 45 Hz) 100 Ω typical (150 Ω max.) Extended continuity test Test current Open-circuit voltage Phase rotation Ph/Ph voltage Intermittent beep for voltage detection...

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