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Introduction
Congratulations on your purchase of the Extech Model 382075 Auto Range Power Clamp-On Meter.
Careful use of this device, will provide years of reliable service.
Meter Functional Description
1. Transformer Jaw
Used to sense current signal. To measure current or power,
the conductor under test must be fully enclosed by the jaw.
2. Transformer Trigger
Press to open the jaw.
3. Data Hold Button
Press to freeze most recent reading on the LCD. Press
again to release.
4. Function Select and On/Off Switch
Select desired function, such as KW, V, A, KVA, or 3φ.
5. LCD Display
4-digit (9999 count) display with function symbols, units,
decimal point, low battery icon, and zero indication.
6. Units Symbols
Once a function is selected, the corresponding unit (KW, V,
A, Phase, KVA, or 3φ) will be displayed.
7. 3φ3W and 3φ4W Select Button
If the 3φ system is not a balanced system, users can press
this button to select 3φ3W, 3φ4W or a balanced system.
Once the button is pressed, the LCD displays 3φ3W or
3φ4W depending on the function selected.
8. Read/Next Button
When the rotary switch is set to the 3φ function, the READ/NEXT button is used as a NEXT button.
•
In the 3φ balanced mode, pressing the NEXT button will display W+PF, KVA+KVAR, or V+A data.
In the 3φ3W mode, pressing the NEXT button stores the measured values W
•
After two values are measured and stored, the meter adds the two values, displays the result with
the symbol W
RST
again.
In the 3φ4W system mode, press the NEXT button to store the measured values W
•
W
. After three values are measured and stored, the meter adds the three values, displays the
T(L3)
result with the symbol W
NEXT button again.
If the rotary switch is not set to the 3φ function, the READ/NEXT button is used as a READ button.
•
Stored data in memory (saved by pressing the REC button) can be read by pressing READ.
9. & 10. V and COM Input Terminals
Used as positive and negative (common) inputs for voltage measurements.
11. DC A/W ZERO button
Press this button once to zero the Amp or Watt display. While the meter is zeroing, the word ZERO
appears the LCD.
12. REC button
Press the REC button to store up to 4 data points in meter memory.
to represent W
. To start another W
3φ3W
to represent W
RST
Figure 1
measurement, press the NEXT button
3φ3W
. To start another W
3φ4W
www.burntec.com
and W
RS(L1L2)
TS(L3L2)
, W
R(L1)
S(L2)
measurement, press the
3φ4W
.
and
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