UNI-T UT581 Manuale delle Istruzioni Scaricare il pdf (Pagina 7)

UT581/582 INSTRUCTION MANUAL

2. Characteristics

2.0 This tester is suitable for using under single phase 230 V / 50 Hz.

(Operational Voltage Scope: 195 – 253 V)

2.1 It uses micro-controller with high accuracy, reliability and satiability.

2.2 Connectivity Checking: 3-LED Lamp signal is correct or not .

Correct connectivity: P-E & P-N display

two green light signal on but red light is off, If

not, you may incorrect to connect it.

2.3 Phrase Switch Selection: Can select positive (0°) or negative (180°)

semi-cycle commencing testing.

2.4 Over-range display“OL”indication. “OL mS” signal will be displayed on

LCD under the time limitation of the testing condition of over the time

limit.

2.5 Auto-data hold: Data hold for a while after each testing transaction.

2.6 Fast Trip Fixed: Current250mA (MAX: 40mS)(UT581 only).

2.7 AUTO RAMP Test: AUTO RAMP can test the trip test and trop current

1 2 3 4 5 6 7 8 9 10 11 12 ... 19 20

Nessun commento

UNI-T UT581 Manuale delle Istruzioni Pagina 7