An essential tool for electricians to ensure that voltage is not present before working on any electrical equipment or installation connected to the electrical system. Compliant with IEC 61243-3 Edition 2, the C.A 773 VAT can be used to work on any 1000V CAT IV installation. To meet the requirements of the standards in certain countries, these testers are available in two versions: equipped with IP2X test probes or without. The C.A 773 has a redundant safety system in the event of power supply faults; the ELV LED flashes when the voltage exceeds 50VAC / 120VDC.
Safety is ensured when testing GFCI and Residual Current Device (RCD) tripping by means of a double control system. Both hands are necessary to press the two buttons simultaneously. The integrated autotest checks the electrical circuits, power supply, displays and the condition of the measurement leads. Phase rotation measurement is simple and quick with the 2-wire microprocessor system. Audible and visual continuity testing is provided in compliance with Appendix B of the IEC 61243-3 standard. The tester can also detect stray voltages and offers unipolar phase identification
Overview
- Use in extreme conditions: type-S extended climatic class
- RCD trip testing
- Digital display
- Complete integrated Autotest
- Extended continuity test (R< 2 kΩ, 60 kΩ and 300 kΩ)
- Two-pole phase-sequence testing with “2-wire method” up to 400 Hz, suitable for isolating transformers and electrical generator sets
Specifications
| Voltage Absence Testing (VAT) | |
| Voltage Indication – LEDs | 12 to 1000Vac ; 12 to 1400Vdc |
| Voltage Indication – Display | 1 to 1000Vac ; 1 to 1400Vdc |
| Frequency Range | DC, 16.67 to 800Hz |
| Input Impedance | >500kΩ |
| Max. Peak Current | 3.5mA RMS |
| Polarity Indication | Yes |
| Redundant Hazardous Voltage Indication |
The ELV (Extra-Low Voltage) LED indicates that the voltage is higher than the SELV (Safety Extra-Low Voltage) with the rate at which it flashes proportional to the voltage level. |
| Stray Voltage Detection | Yes (by low-impedance load switching) |
| RCD Tripping | Yes (by low-impedance load switching) |
| Phase/Neutral Identification | >50V (45 to 65HZ) ; >150V (16.67 to 45Hz) |
| Continuity & Resistance | |
| Buzzer Trigger Threshold | 100Ω typical (150Ω max.) |
| Extended Continuity Test (resistance) | 2kΩ, 60kΩ, 300kΩ |
| Test Current / Open-circuit Voltage | ≤ 1mA / ≤ 3.3V |
| Phase Rotation | 2-wire method with microprocessor |
| Ph/Ph Voltage | 50 to 1000Vac (45 to 400Hz) |
| General | |
| Buzzer | Intermittent beep for Voltage Detection, Continuous beep for Continuity |
| Cable Length | 3.3ft (1m) |
| Display | LEDs + Backlit Digital Display |
| Power Supply | 2 x AA (LR6) Batteries (included) |
| Battery Life | 5000 ten second measurements approximately |
| Dimensions | 9.0 x 2.4 x 1.5” (228 x 60 x 39mm) |
| Weight (With Battery) | 12.4oz (350g) approximately |
| Operating Temperature/Humidity | -22 to 140˚F (-30 to +60˚C) / 20 to 95% RH non-condensing |
| Storage Temperature/Humidity | -40 to 158˚F (-40 to +70˚C) / 20 to 95% RH non-condensing |
| IP Rating | IP 65 |
| Electrical Safety | 1000V CAT IV per IEC 61010-1 |
What’s in the Box
AEMC C.A 773 Voltage Absence Tester
Resources
AEMC C.A. 773 Voltage Absence Tester Spec Sheet
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