REED ST-9800T Manual de usuario

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Model ST-9800T

True RMS

AC/DC Clamp Meter

with Temperature

Function

Instruction

Manual

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Table of Contents

Safety ............................................................................................ 2

Meter Description.......................................................................... 4

Specications.............................................................................5-6

Operating Instructions................................................................7-9

Battery Replacement..................................................................... 9

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

at info@reedinstruments.com.

Safety

International Safety Symbols

This symbol, adjacent to another symbol or terminal, indicates

the user must refer to the manual for further information.

This symbol, adjacent to a terminal, indicates that,

under normal use, hazardous voltages may be present

Double insulation

Safety Notes

• Do not exceed the maximum allowable input range of any function

• Do not apply voltage to meter when resistance function is selected.

• Set the function switch OFF when the meter is not in use.

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Warnings

• Set function switch to the appropriate position before measuring.

• When measuring volts do not switch to current/resistance modes.

• When changing ranges using the selector switch always disconnect the

test leads from the circuit under test.

• Do not exceed the maximum rated input limits.

Cautions

• Improper use of this meter can cause damage, shock, injury or death.

Read and understand this user manual before operating the meter.

• Always remove the test leads before replacing the battery.

• Inspect the condition of the test leads and the meter itself for any damage

before operating the meter. Repair or replace any damage before use.

• Use great care when making measurements if the voltages are greater than

25VAC rms or 35VDC. These voltages are considered a shock hazard.

• Remove the battery if the meter is to be stored for long periods.

• Always discharge capacitors and remove power from the device under

test before performing Diode, Resistance or Continuity tests.

• Voltagechecksonelectricaloutletscanbedifcultandmisleading

because of the uncertainty of connection to the recessed electrical

contacts. Other means should be used to ensure that the terminals are

not “live”.

• Iftheequipmentisusedinamannernotspeciedbythemanufacturer,

the protection provided by the equipment may be impaired.

Input Limits

Function Maximum Input

A AC, A DC 600A

V DC, V AC 600V DC/AC

Resistance, Capacitance, Diode Test 250V DC/AC

Temperature 60V DC, 24V AC

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Meter Description

1. Current clamp

2. Data Hold button

3. Peak Hold button

4. Mode select button

5. ZERO button

6. LCD display

7. COM input jack

8. Clamp trigger

9. Rotary Function switch

10. V/ΩCAP/TEMPjack

Display Description

1. AC (alternating current) & DC (direct currrent)

2. Minus sign

3. 4000 count (0 to 3999) measurement reading

4. AutoRange mode

5. Peak Hold mode

6. Diode test mode

7. Audible Continuity

8. Data Hold mode

9. ZERO (Relative) mode

10. Low Battery icon

11. Units of measure list

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Specifications

Function Range & Resolution Accuracy (% of reading)

DC Current 400.0 ADC 0 to 70A: ± (2.5% + 0.6A)

70 to 300A: ± (3.0% + 0.3A)

300 to 400A: ± (3.5% + 0.3A)

600 ADC 0 to 150A: ± (2.5% + 4A)

151 to 350A: ± (3.0% + 4A)

351 to 600A: ± (4.0% + 6A)

AC Current 400.0 AAC 0 to 70A: ± (3.0% + 0.6A)

70 to 300A: ± (3.5% + 0.3A)

300 to 400A: ± (3.5% + 0.6A)

600 AAC 0 to 150A: ± (3.0% + 4A)

151 to 350A: ± (3.5% + 5A)

351 to 600A: ± (4.0% + 8A)

DC Voltage 400.0 mVDC ± (0.5% + 5 digits)

4.000 VDC

± (1.2% + 3 digits)40.00 VDC

400.0 VDC

600 VDC ± (1.5% + 3 digits)

AC Voltage 4.000 VAC ± (1.0% + 5 digits)

40.00 VAC ± (1.5% + 3 digits)

400.0 VAC

600 VAC ± (2.0% + 4 digits)

Resistance 400.0Ω ± (1.0% + 4 digits)

4.000KΩ

± (1.5% + 2 digits)40.00KΩ

400.0KΩ

4.000MΩ ± (2.0% + 3 digits)

40.00MΩ ± (3.0% + 5 digits)

Temperature -4 to 1400°F ± (3.0% + 5°)

-20 to 760°C

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Capacitance 40.00 nF ± (5.0% + 7 digits)

400.0 nF

± (3.5% + 5 digits)4.000 uF

40.00 uF

100.0 uF ± (5.0% + 5 digits)

Clamp size Opening 1.3” (33mm) approx

Diode Test Test current of 0.3mA typical;

Open circuit voltage 1.5V DC typical.

Continuity Check Threshold<50Ω;Testcurrent<1mA

Low Battery Indication “BAT” is displayed

Overrange Indication “OL “ is displayed

Measurements Rate 2 per second, nominal

Temperature sensor Type K thermocouple

Input Impedance 7.8MΩ(VDCandVAC)

Display 3-3/4 digits (4000 counts) LCD

AC bandwidth 50/60Hz (AAC and VAC)

AC response True rms (AAC and VAC)

Operating Temperature 14 to 122°F (-10 to 50°C)

Storage Temperature -14 to 140°F (-30 to 60°C)

Relative Humidity 90%(0°C to 30°C); 75%(30°C to 40°C);

45%(40°C to 50°C)

Altitude Operating: 3000m; Storage 10,000m

Over voltage Category II 600V

Battery 9V Battery

Auto OFF approx. 15 minutes

Dimensions/Weight 8x3.2x1.7” (204x80x43mm)/0.62 lbs. (281g)

Safety For indoor use and in accordance with

Overvoltage Category II, Pollution Degree 2.

Category II includes local level, appliance,

portable equipment, etc., with transient

overvoltages less than Overvoltage Cat. III

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Operating Instructions

NOTE: Read and understand all warning and precaution statements

listed in the safety section of this operation manual prior to using this

meter. Set the function select switch to the OFF position when the

meter is not in use.

AC/DC Current Measurements

WARNING: Ensure that the test leads are disconnected from the meter

before making current clamp measurements.

1. Set the Function switch to the

600 or 400A range. If the range of the

measured is not known, select the

higherrangerstthenmovetothe

lower range if necessary.

2. Select AC or DC with the AC/DC

button. Press the zero button to zero

the meter in the DCA mode only.

3. Press the trigger to open jaw. Fully en-

close one conductor to be measured.

4. The clamp meter LCD will display the

reading.

AC/DC Voltage Measurements

1. Insert the black test lead into the

negative COM terminal and the red test lead

into the positive Vterminal.

2. Set the function switch to the Vposition.

3. Select AC or DC with the AC/DC button.

4. Connect the test leads in parallel

to the circuit under test.

5. Read the voltage measurement

on the LCD display.

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Resistance and Continuity Measurements

1. Insert the black test lead into the negative COM terminal and the red

test lead into the positive terminal.

2. Set the function switch to the ΩCAP position.

3. Use the multifunction button to select resistance.

4. Touch the test probe tips across the circuit or component under test. It

is best to disconnect one side of the device under test so the rest of the

circuit will not interfere with the resistance reading.

5. For Resistance tests, read the resistance on the LCD display.

6.ForContinuitytests,iftheresistanceis<50Ω,atonewillsound.

Capacitance Measurements

WARNING: To avoid electric shock, discharge the capacitor under test

before measuring.

1. Set the function switch to

the ΩCAP Position.

2. Press the multifunction button to select the

capacitance function.

3. Insert the black test lead banana plug into

the negative (COM) jack and the red test

lead banana plug into the positive jack.

4. Touch the test probe tips across the part

under test.

5. Read the capacitance in the display.

6. The display will indicate the proper decimal

point and value.

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Temperature Measurements

WARNING: To avoid electric shock, disconnect both test probes from

any source of voltage before making a temperature measurement.

1. Set the function switch to TEMP.

2. Insert the Temperature Probe into the negative (COM) and the positive

jacks, making sure to observe the correct polarity.

3. Touch the Temperature Probe head to the part whose temperature you

wish to measure. Keep the probe touching the part under test until the

reading stabilizes (about 30 seconds).

4. Read the temperature in the display. The digital reading will indicate the

proper decimal point and value.

WARNING: To avoid electric shock, be sure the thermocouple has been

removed before changing to another measurement function

Data Hold

To freeze the LCD meter reading, press the data hold button. The data

hold button is located on the left side of the meter (top button). While data

hold is active, the DH display icon appears on the LCD. Press the data

hold button again to return to normal operation.

Peak Hold

To hold the highest reading on the LCD, press the peak hold button. The

peak hold button is located on the left side of the meter (bottom button).

The meter reading will not change as readings change, rather it will only

display the highest reading encountered since the peak hold button was

pressed. Press the peak hold button again to return to normal operation.

Battery Replacement

1. Remove the three rear Phillips head screws

2. Open the battery compartment

3. Replace the ‘9V’ battery IEC 6F22, NEDA 1604.

4. Re-assemble the meter

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Notes _________________________________________

________________________________________________

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