Operation; Determine Phase Rotation Direction; Specifications; Approvals - Extech Instruments 480400 User Manual

Operation

Determine Phase Rotation Direction

1. Connect the supplied color-coded test leads to the meter's test lead input jacks at the top of the
meter.
2. Connect the test probes to the three mains phases for the system under test.
3. L1, L2, and L3 indicators will illuminate one at a time on the meter's LCD display as each phase
is connected.
4. The clockwise and counter-clockwise arrows with the left/right 'L' or 'R' icons display the phase
rotation direction of the device under test.
5. The sequence grid simply shows the three line sequences for Clockwise 'R' and the three line
sequences for Counter-Clockwise 'L'.
Note: The rotational arrow indicators illuminate even if one of the test probes is connected to a
neutral or ground conductor instead of one of the mains phases.

Specifications

Nominal Voltage
Frequency Range (fn)
Current pickup
Nominal Test current (in per phase)
Maximum Operating Voltage (Ume)
Operating Temperature
Type of protection
Dimensions
Weight

Approvals

Safety
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40 to 600 VAC
15 to 400HZ
1 mA
1 mA
600 V
o
0 to 40 C (32 to 104
IP 40
(H x W x D): 130 x 69 x 32mm (5.1 x 2.7 x 1.3")
130g (4.6 oz.)
CE (EU directives)
For indoor use and in accordance with the requirements for double
insulation to IEC1010-1 (1995): EN61010-1 (1995) Overvoltage Category III
600V, Pollution Degree 2.
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