Extech 382202 Handleiding

Extech Niet gecategoriseerd 382202

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USER GUIDE
DC Regulated Power Supplies
Model 382200 (1 Amp) and 382202 (3 Amp)
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Introduction
Congratulations on your purchase of the Extech DC Regulated Power Supply. These units are solid
state, compact, regulated supplies suitable for many applications including bench testing, field service,
hobby and telecommunication equipment use. This meter is shipped fully tested and calibrated and,
with proper use, will provide years of reliable service. . Please visit the Extech Instruments website
(www.extech.com) to check for the latest version of this User Guide and to register this product.
Specifications
Model 382200 382202
Display Dual LCD
Display Accuracy (V) ±(1.5%rdg +5D)
Display Accuracy (A) ±(2.0%rdg + 5D)
Voltage Output, DC 30.0 Volts 18.0 Volts
Current Output, DC 0 – 1.00 Amp 0 – 3.00 Amps
Ripple and Noise <0.5mV/<3mA
Line Regulation < 0.01% + 3mV/< 0.2% + 3mA
Load Regulation < 0.01% + 2mV/< 0.2% + 3mA
Power 115/230VAC (50/60Hz)
Dimensions 9.4 x 4.25 x 6" (240 x 108 x 154mm) (W x H x D)
Weight 4.4lbs. (2 kg) 6.6lbs. (3kg)
Meter Description
1. Voltage display
2. Current display
3. Negative (-) output terminal
4. Positive (+) output terminal
5. Illuminated On/Off switch
6. Current adjustment
7. Voltage adjustment
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Operation
CAUTION: Verify that the AC voltage setting and fuse rating matches the power source
being used BEFORE applying power to the instruments. Do not connect to a voltage
source that is greater.
CAUTION: Limit full load operation (>25watts for the 382200 and >45watts for the 382202)
to 15 minutes continuous operation. Always allow a cool down period after full load
operation.
1. The Power Supply must be powered using the rated line voltage within +10%.
2. Before turning the power supply ON, remove any load and set the Voltage and Current
Adjustment Knobs to their full counter-clockwise positions.
3. Use the Current and Voltage Adjustment knobs for setting variable Current and Voltage
output signals respectively.
4. The LCD displays will indicate actual current and voltage outputs.
5. Keep the meter's cooling vents (top and sides) clear of obstacles to prevent overheating.
Current Limit
To avoid having the load draw too much current, a current limit can be set as follows:
ï‚· With the voltage and current output adjustments set fully off, carefully short the positive and
negative output terminals together.
ï‚· Turn the Output Voltage knob clockwise to the 25% position (approx.).
ï‚· Adjust the Output Current knob clockwise until the desired current level is displayed.
ï‚· Turn the Output Voltage knob counter-clockwise (current display will go to 0.00).
ï‚· Connect a load to the output terminals and adjust the voltage to the desired level.
Fuse Replacement
The fuse receptacle is located on the back of the unit next to the power cable input. Each unit
comes with one 115V 2A fuse installed in the unit. Three spare fuses are included, a second 115V
2A fuse, and two 230V 1A fuses. See below for the fuse specifications.
115V 230V
382200 2A 1A
382202 2A 1A
230V Operation
1. Replace the 2A (115V) fuse with a 1A (230V) fuse.
2. Toggle the switch located on the rear of the unit from 115V to 230V.
3. Use a power cord that matches the outlet for the country in question.

Product specificaties

Merk: Extech
Categorie: Niet gecategoriseerd
Model: 382202

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