REED ST-3347 Instruction Manual Download Page 18

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1

Data Hold

This is a function used to freeze the reading on the display, 

 

ideal for later viewing.
1.  Press the 

HOLD

 button once. When the Hold is activated, the meter 

beeps, freezes the reading, and displays the “

HOLD

” indicator on

 

the LCD.

2.  To deactivate the “

HOLD

” function, press 

HOLD

 button once, the 

meter will beep and the meter will start reading a new measurements.

Peak Hold

This is a function used to record the maximum and minimum readings on 
the display for the voltage and current ranges.
1. Press the 

pEAK

 button once. This will record The “

pEAK

” maximum, 

the meter beeps, and display the “

p MAX

” indicator on the LCD.

2. Press the 

pEAK

 button again. This will record the “

pEAK

” maximum, 

the meter beeps, and display the “

p MIN

” indicator on the LCD.

3. To deactivate the “

pEAK

” function, press the button for 3 seconds, the 

meter will beep and the meter will start reading new measurements.

 

LCD Backlight

The backlight is ideally used in dark or dimly lit areas.

1.  Press the 

 button for 3 seconds, and the bright white light 

 

will come on.

2.  To turn off the backlight press the 

 button for 3 seconds.

Note: The use of the backlight will reduce the battery life considerably.

For service on this or any other REED product, contact REED Instruments 

at [email protected].

Summary of Contents for ST-3347

Page 1: ...reedinstruments www com Model ST 3347 AC DC True RMS Clamp Meter Instruction Manual...

Page 2: ...ent 12 Capacitance Measurement 13 Frequency Measurement 14 Temperature Measurement 15 Diode Test 16 Continuity Testing 17 Data Hold Functions 18 Peak Hold Functions 18 LCD Backlight 18 Auto Power Off...

Page 3: ...f the meter is in its intended applications and follow measurement procedures described in this manual Follow all safety and operating instructions to ensure maximum personal safety during the use and...

Page 4: ...cover when making measurements Warning Always inspect the meter and test leads for any signs of damage or abnormalities before use If the meter or its accessories have any structural defects such as b...

Page 5: ...calibration and repair of the meter For service on this or any other REED product contact REED Instruments at info reedinstruments com Features True RMS measurement of AC Current and AC Voltage Large...

Page 6: ...pen circuit voltage 1 5V DC Continuity Check Thershold 35 Test current 1mA Low Battery indication is displayed Overrange Indication OL is displayed Measurements Rate 2 per second nominal Input Impedan...

Page 7: ...0 001V 1 5 8 digits 40V 0 40 00V 0 01V 400V 0 400 0V 0 1V 600V 0 600A 1V 2 0 8 digits Note No Autoranging on 400mV AC Range Resistance 400 0 400 0 0 1 1 0 4 digits 4k 0 4 000k 1 1 5 2 digits 40k 0 40...

Page 8: ...tically defaults to DC Current 2 Press the DC ZERO button once the sign will appear on the LCD indicating Range is zero 3 Press the trigger to open up the transformer jaws and clamp around the single...

Page 9: ...the trigger to open up the transformer jaws and clamp around the single conductor under test 4 Read the display Notes During current measurements keep the transformer jaws fully closed otherwise this...

Page 10: ...The meter automatically defaults to DC Volts 2 Insert the red test lead into the V TEMP HZ input terminal and the black lead to the COM terminal 3 Connect the other end of the test leads to the circui...

Page 11: ...test lead into the V TEMP HZ input terminal and the black lead to the COM terminal 4 Connect the other end of the test leads to the circuit under test Take the reading on the display Notes The meter...

Page 12: ...st lead into the V TEMP HZ input terminal and the black lead to the COM terminal 3 Connect the other end of the test leads to the circuit or component under test Take the reading on the display Notes...

Page 13: ...o the circuit or component under test Take the reading on the display Notes In Capacitance range the meter is Auto Ranging only CAUTION to avoid damage to the meter or the equipment under test remove...

Page 14: ...ton for 3 seconds to select the Frequency range The meter automatically defaults to DC Volts 3 Insert the red test lead into the V TEMP HZ input terminal and the black lead to the COM terminal 4 Conne...

Page 15: ...nsure that the marking on the adaptor is inserted into the COM terminal and the marking on the adaptor is inserted into the V TEMP HZ Input terminal 3 Connect any K Type probe into the meter adaptor a...

Page 16: ...the diode test to check diodes transistors silicon controlled rectifiers SCR s and other semiconductor devices The test sends a current through a semiconductor junction then measures the junction s vo...

Page 17: ...e the display reads 0 and the buzzer beeps 5 Connect the tip of the test leads to the circuit or component under test The display reads the resistance and the buzzer beeps when the reading is not more...

Page 18: ...ton once This will record The PEAK maximum the meter beeps and display the P MAX indicator on the LCD 2 Press the PEAK button again This will record the PEAK maximum the meter beeps and display the P...

Page 19: ...D this indicates the battery should be replaced Use the following procedure to replace the standard 9V battery IEC 6F 22 battery 1 Disconnect the test leads from any live source and remove the leads f...

Page 20: ..._______________ ________________________________________________ ________________________________________________ ________________________________________________ _____________________________________...

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