Gossen Metrawatt ProfiSafe 690L ເຄື່ອງທົດສອບແຮງດັນ, ໄລຍະ, ແລະ ຄວາມຕໍ່ເນື່ອງ (12 V ~690 V AC/DC)

Application: Voltage, phase, polarity, and continuity tester with phase sequence indication

Voltage Range: 12 V to 690 V AC/DC (indicated continuously on LCD)

Display Type: Hybrid display — 3-digit backlit LCD for values, 1 red LED for dangerous voltage ( ≥ 50 V AC / 120 V DC), and 1 green LED for continuity

Input Impedance: approx. 167 kΩ AC/DC at 690 V; 200 kΩ at 50 V

Frequency Range: 0 Hz to 500 Hz

Continuity Test: 0 to 1000 kΩ (Acoustic and optical indication)

Testing Functions: Voltage test, Phase test (against earth), Polarity test, and Phase sequence indicator

Current Crest Value: 4.2 mA at 690 V AC/DC

Electrical Safety Category: CAT IV 600 V / CAT III 690 V

Protection Rating: IP65 (dust-proof and protected against water jets)

Power Supply: Maintenance-free via integrated Li-Ion accumulator (recharges during voltage tests)

Operating Temperature: –15°C to +45°C

Weight: approx. 170 g (0.17 kg)

Sampling Rate: 2 measurements per second