REED ST-3347 Instruction Manual Download Page 6

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Transformer 
Jaws

Function Switch

DC Amps Zero Adjustment

Backlight Button

Display

Volt, Resistance, Frequency, 
Capacitance, Temperature, 

Terminal

Jaw Trigger

Data Hold Button

Mode Button

Peak Hold Button for 

Volts and Current

COM Terminal

Meter Description

Specifications

Clamp Size 

30mm Opening Approx

Diode Test 

Test Current of 0.3mA typical;  

 

Open circuit voltage 1.5V DC

Continuity Check 

Thershold<35Ω; Test current <1mA

Low Battery indication 

 is displayed

Overrange Indication 

OL

” is displayed

Measurements Rate 

2 per second, nominal

Input Impedance 

10MΩ (VDC and VAC)

Display 

4000 count LCD

AC Current 

50/60Hz (AAC)

AC Voltage Bandwidth  50/60Hz (VAC)
Operating Temperature  -10°C to 50°C (14°F to 122°F)
Storage Tempertaure 

-30°C to 60°C (-22°F to 140°F)

Relative Humidity 

Up to 85%

Over Voltage 

Category III 600V

Battery 

One DC 9V IEC 6F22. 1604. Battery

Auto Power Off 

Approx 20 minutes

Dimensions 

229 x 80 x 49mm

Weight 

303g

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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