Triplett Test Equipment & Tools 9305-NIST User manual

9305

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1

Safety

International Safety Symbols

This symbol, adjacent to another symbol or terminal,
indicates the user must refer to the manual for further

SAFETY NOTES

• Do not exceed the maximum allowable input range of any

• Do not apply voltage to meter when resistance function is

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

WARNINGS

• Set function switch to the appropriate position before

• When measuring volts do not switch to current/re si sta nce

• When changing ranges using the selector switch always

• Do not exceed the maximum rated input limits.

information.
This symbol, adjacent to a terminal, indicates that,

under normal use, hazardous voltages may be
present

Double insulation

function
selected.

measuring.
modes.
disconnect the test leads from the circuit under test.

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2

CAUTIONS

Input Limits

Function

Maximum Input

A AC

400A

V DC, V AC

600V DC/AC

Frequency, Resistance, Diode,
Continuity , Capacitance Test

Temperature (℃/℉)

600V DC/ AC

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 difficult 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 specified by the
manufacturer, the protection provided by the equipment may
be impaired.

600V DC/AC

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3

Meter Description

3. 8.8.8.8

1. Current clamp

2. Non-contact AC voltage
indicator light

3. Clamp trigger

4. Data Hold button/Backlite

5. Rotary Function swith

6. MODE select button

7. Hz% Hlod button

8. Relative button

9. LCD display

10. COM input jack

11. V ΩCAP TEMP Hz jack

12. Battery Cover

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

2. Minus sign
4000 count (0 to 3999)

measurement reading

4. AUTO AutoRange mode

5. REL Relative mode

6. Diode test mode

7. •))) Audible Continuity

8. HOLD Data Hold mode

9. ℃,℉, µ,m,V,A,K,M,Ω, Units of measure list

10. Hz % Frequency/duty cycle test mode

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4

Specifications

Function

Range &
Resolution

(50/60Hz)

40.00AAC

± (2.5 % + 8 digits)

400.0 AAC

± (2.8 % + 8 digits)

400.0 mVDC

± (0.8% + 2 digits)

4.000 VDC

40.00 VDC

400.0 VDC

600.0 VDC

± (2 % + 2 digits)

4.000 VAC

40.00 VAC

400.0 VAC

600.0 VAC

± (2.5% + 8 digits)

400.0 Ω

± (1.0% + 4 digits)

4.000KΩ

40.00KΩ

400.0KΩ

4.000MΩ

± (2.5% + 3 digits)

40.00MΩ

± (3.5% + 5 digits)

Capacitance

40.00nF

± (4.0% reading + 20 digits)

400.0nF

4.000μF

40.00μF

100.0μF

± (4.0% reading + 10 digits)

Temp

-20.0 to

AC Current

Accuracy (% of reading)

DC Voltage

AC Voltag e
(50-400Hz)

Resistance

Frequency
Sensitivity:15Vrms

(type-K)
(probe accuracy not

included)

10-10kHz

760.0°C

-4.0
to1400.0°F

± (1.5% + 2digits)

± (1.8% + 8 digits)

± (1.5% + 2 digits)

± (3% reading + 5 digits)

± (1.5% reading + 2 digits)

± (3%rdg+5°C)

± (3%rdg+9°F)

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Clamp size O pe ning 1. 2 " (30mm) approx
Diode Test Test current of 0.3mA typical; Open

Continuity Check Threshold <150Ω; Test cur rent

Low Battery Indication “ ” is displayed
Overrange Indication “OL” is displayed
Measurements Rate 2 per second, nominal
Input Impedance 10MΩ (VDC and VAC)
Display 4000 counts LCD
AC Current 50-60Hz (AAC)
AC Voltage bandwidth 50-400Hz (VAC)
Operating Temperature 41 to 104
Storage Temperature -4 to 140oF (-20 to 60oC)

Operating Humidity Max 80% up to 87°F (31°C) decreasing

Storage Humidity <80%
Operating Altitude 7000ft. (2000meters) maximum.

Over voltage Category III 600V
Battery Two “AAA” 1.5V B attery
Auto OFF approx. 30 minutes
Dimensions/Weight 200x66x37mm/205g
Safety For indoor use and in accordance

circuit voltage 1.5V DC typical.

< 0.5mA

o

F (5 to 40oC)

linearly to 50% at 104°F(40°C)

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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6

Operation

NOTICES: 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 Current Measurements

WARNING: Ensure that the test leads are

disconnected from the meter before making current
clamp measuremen t s.

1. Set the Function switch to the 400 or 40A range.

2. If the range of the measured is not
known, select the higher range

first then move to the lower

range if necessary.

3. Press the trigger to open jaw.
Fully enclose one conductor
to be measured.

The clamp meter LCD will display the reading.

DC/AC Voltage Measurements

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

2. Set the function switch to the V position.

3. Select AC or DC with the MODE 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 Measurements

position.

Red Black Black Red
Probe Probe Probe Probe

Forward test Reverse test

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 Ω •)))

3. 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.

4. For Resistance tests, read the resistance on the LCD

display.

Diode and Continuity Measurements

1. Insert the black test lead banana plug into the negative
COM jack and the red test lead banana plug into the
positive diode jack.

2. Turn the rotary switch to the Ω •))) position.

3. Press the MODE button until “ ” appears in the display.

4. Touch the test probes to the diode under test. Forward
voltage will indicate 0.4V to 0.7V. Reverse voltage will
indicate “OL”. Shorted devices will indicate near 0mV and
an open device will indicate “OL” in both polarities.

For Continuity tests, if the resistance is < 150,
a tone will sound.

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Capacitance Measurements

WARNING: To avoid electric shock, disconnect power to

the unit under test and discharge all capacitors before
taking any capacitance measurements. Remove the
batteries and unplug the line cords.

1. Set the rotary function switch to the CAP position.

2. Insert the black test lead banana plug into the negative
(COM) jack.Insert the red test lead banana plug into the
positive (V) jack.

3. Touch the test leads to the capacitor to be tested.

4. Read the capacitance value in the display

Frequency or % duty cycle measurements

1. Set the rotary function switch to the “VDC/AC,Hz” position.

2. Insert the black lead banana plug into the negative COM
jack and th e red test lead banana plug into the positive V
jack.

3. Select Hz or % duty with the Hz/% button.

4. Touch the test probe tips to the circuit under test.

5. Read the frequency on the display.

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 °C or °F.

2. Insert the Temperature Probe into the negative (COM) and
the V jacks, making sure to observe the correct polarity.

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WARNING: Risk of Electrocution. Before use, always
verify proper operation

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

Non-Contact AC Voltage Measurements

test the Voltage Detector on a known live circuit to

Turn meter On to any setting. The AC Voltage Detector is

1.
located at the tip of the AC current clamp at the ‘lightning
bolt’ marks. Only the outside of the clamp, in the ‘notch’ at
the clamp separation, is sensitive to AC voltage. Clamping
the jaws around a live wire will not necessarily cause the AC

Voltage Detector to sense the ‘live’ wire

2. If AC voltage is present, the red AC Voltage indicator will
light.

NOTE: The conductors in electrical cords are often twisted

and the position of the ‘hot’ wire is unknown. For best
results, hold the cord in the notch of the clamp while
running it along the length of the cord.

.

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NOTE: The detector is designed with high sensitivity. Static

electricity or other sources of energy may randomly
cause the red indicator to light. This is normal
operation.

MODE BUTTON

To select DC/ACV,OHM/ Diode/Continuity

Data Hold Button / Backlite

To freeze the LCD meter reading, press the data hold button.
While data hold is active, the HOLD display icon appears on
the LCD. Press the data hold button again to return to normal
operation.

The HOLD button also turns the Backlite on and off. Press it for
about 2 seconds to turn the light on. Press it again for 2
seconds to turn the light off. The light will turn off automatically
in about 30 minutes if the buttons or knob on the meter are not
operated.

NOTE: Turning the Backlite on and off also turns HOLD on

and off. Use short presses of the button to control
HOLD, and long presses to control the Backlite. Any
combination of HOLD and Backlite can be obtained.

REL BUTTON

For Capacitance Zero & Offset adjustment.

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11

RANGE BUTTON
When the meter is first turned on, it automatically goes into
AutoRanging. This automatically selects the best range for the
measurements being made and is generally the best mode for
most measurements. For measurement situations requiring
that a range be manually selected, perform the following:

1. Press the RANGE button. The “Auto Range” display
indicator will turn off, The “Manual Range” display indicator
will turn on

2. Press the RANGE button to step through the available
ranges until you select the range you want.

3. Press and hold the RANGE button for 2 seconds to

exit the ManualRanging mode and return to AutoRanging.

Battery Replacement

1. Remove the 2 rear Phillips head screw

2. Open the battery compartment

3. Replace the 2 “AAA’ batteries (1.5V, UM4, R03)

4. Re-assemble the meter

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13

PURCHASE, AND THE PROVISIONS OF THE WARRANTY
ARE EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES
EXPRESSED OR IMPLIED.

The purchaser agrees to assume all liability for any damages
and bodily injury which may result from the use or misuse of the
product by the purchaser, his employees, or others, and the
remedies provided for in this warranty are expressly in lieu of
any other liability Triplett may have, including incidental or
consequential damages. Some states (USA ONLY) do not allow
the exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to
you. No representative of Triplett / Jewell Instruments or any
other person is authorized to extend the liability of Triplett in
connection with the sale of its products beyond the terms
hereof.

Triplett reserves the right to discontinue models at any time, or
change specifications, price or design, without notice and
without incu rring any obligation. This warranty gives you specific
legal rights, and you may have other rights which vary from
state to state.

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14

Notes

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