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Extech
Extech CT20 Continuity Tester Pro
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Parámetros clave
Continuity Threshold
≤2.0 kΩ
Drive Current
Pulsed 2.0 Hz; 20–50 mA @ 10 Ω; 2.0–8.0 mA @ 1000 Ω
Local Indication
Bright flashing red LED + 85 dB pulsating beeper
Remote Probe
Two-lead bi-color (red/green) LED probe; identifies up to 3 wires/cables per trip
Test Wire Length
Up to 10,000 ft (3,000 m); 26 AWG minimum
Polarity Verification
20 mA DC current pulse drives remote probe for polarity/wire ID
| Parámetro | Valor |
|---|---|
| Continuity Threshold | ≤2.0 kΩ |
| Drive Current | Pulsed 2.0 Hz; 20–50 mA @ 10 Ω; 2.0–8.0 mA @ 1000 Ω |
| Local Indication | Bright flashing red LED + 85 dB pulsating beeper |
| Remote Probe | Two-lead bi-color (red/green) LED probe; identifies up to 3 wires/cables per trip |
| Test Wire Length | Up to 10,000 ft (3,000 m); 26 AWG minimum |
| Polarity Verification | 20 mA DC current pulse drives remote probe for polarity/wire ID |
| Power Supply | 1 × 9 V battery |
| Battery Life | Approx. 12 months normal use |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Operating Humidity | 10 to 90% RH non-condensing |
| Dimensions | 3.6 × 2.2 × 1.14 in (90 × 57 × 29 mm) |
| Weight | 9.2 oz (260 g) |
| Certifications | CE |
| Warranty | 2 years (FLIR/Extech) |