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72-1016
operating Manual
58 pgs2.2 Mb0

TENMA 72-1016 operating Manual

Model 72-1016
OPERATING MANUAL
Model 72-1016: OPERATI NG MANUAL
TABLE OF CONTENTS TITLE PAGE
3 4 5 6 8 9 10 11 12 16 16 18 20 22 24 26 28 30 32 33 33 33 34 34 35 35
1
Model 72-1016: OPERATI NG MANUAL
TITLE PAGE
POWER INPUT Switch Sleep Mode RS232 Button General Specifications Accuracy Specifications A. DC Voltage B. AC Voltage C. DC Current D. AC Current E. Resistance F. Continuity Test G. Diode Test H. Capacitance I . Frequency J. Temperature K. Transistor Maintenance A. General Service B. Replacing the Fuses C. Replacing the Battery RS232C and USB Serial Port System Requirements for Installing the 72-1016 Interface Program RS232C Serial Port A. Connecting between the Meter and computer B. RS232C Port Cable C. Setting of RS232C Serial Ports USB Serial Port A. Connecting between the Meter and computer B. Setting of USB Serial Ports
35 36 36 37 38 38 39 41 42 43 44 44 45 46 47 47 48 48 49 51 52 52 53 53 54 54 55 55 55
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Model 72-1016: OPERATI NG MANUAL
Overview
This Operating Manual covers information on safety and cautions. Please read the relevant information carefully and strictly observe all warnings.
Warning To avoid electric shock or personal injury, read the “Safety Information” and “Rules for Safety Operation” carefully before using the Meter.
Digital Bench-Type True RMS Multimeter Model 72-1016 (hereafter referred to as “the Meter”) has auto and manual range options with maximum reading of 5999 counts and 3-5/6 digits which has a unique outlook design.
In addition to all the conventional features including DC/AC voltage, current, resistance, diode, continuity test, capacitance, temperature 0C and 0F, transistor, max/min, there is a data hold, low battery display, sleep mode, RS232C serial port for easy connection with
computer to realize macro recording, monitoring and capture of transient dynamic data, displaying change of waveform during the measurement, providing data and evidence to engineering technicians for scientific research.
3
Model 72-1016: OPERATI NG MANUAL
Inspection
Open the package case and take out the Meter. Check the following items carefully for missing or damaged parts:
Item Description Qty
1 2 3 4 5 6 7 8 9
In the event that items are found missing or damaged, contact your Tenma dealer immediately.
Operating Manual Test Lead Alligator Clip Multi-Purpose Socket Point Contact Temperature Probe (to be used under 2300C temperature measurement) Power Cord RS232C Interface Cable USB Interface Cable Installation guide and computer interface software (CD-ROM)
4
1 piece 1 pair 1 pair 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece
Model 72-1016: OPERATI NG MANUAL
Safety Information
This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage category (CAT. I 1000V, CAT.II 600V) and double insulation.
CAT III: Distribution level, fixed installation, with smaller transient overvoltages than CAT. IV CAT IV: Primary supply level, overhead lines, cable systems etc.
Use the Meter only as specified in this operating manual, otherwise the protection provided by the Meter may be impaired. In this manual, a Warning identifies conditions and actions that pose hazards to the user, or may damage the Meter or the equipment under test.
A Note identifies the information that user should pay special attention to.
International electrical symbols used on the Meter and in this Operating Manual are explained on page 8.
5
Rules For Safe Operation
Warning To avoid possible electric shock or personal injury, and to avoid possible damage to the Meter or to the equipment under test, adhere to the following rules:
l
Before using the Meter inspect the case. Do not use the Meter if it is damaged or the case (or part of the case) is removed. Look for cracks or missing plastic. Pay attention to the insulation around the connectors.
l
Inspect the test leads for damaged insulation or exposed metal. Check the test leads for continuity. Replace damaged test leads with identical model number or electrical specifications before using the Meter.
l
Do not apply more than the rated voltage, as marked on the Meter, between the terminals or between any terminal and ground.
l
Prior to measurement, ensure the rotary selector switch is in the proper position. To prevent potential damage to the meter, do not change range or mode during measurement.
Model 72-1016: OPERATI NG MANUAL
l
When the Meter working at an effective voltage over 60V DC, or 30V RMS AC, special care should be taken for there is danger of electric shock.
l
Use the proper terminals, function, and range for your measurements.
l
If the value to be measured is unknown, use the maximum measurement position and reduce the range step by step until a satisfactory reading is obtained.
l
Do not use or store the Meter in an environment of high temperature, humidity, explosive, flammable gas or strong magnetic field. Do not use the meter if allowed to get wet. Even after complete drying, incorrect readings could occur, causing a potentially hazardous condition.
l
When using the test leads, keep your fingers behind the finger guards.
l
Disconnect circuit power and discharge all high-voltage capacitors before testing resistance, continuity, diodes, current, or capacitance.
l
Before measuring current, check the Meter’s fuses and turn off power to the circuit before connecting the Meter to the circuit.
6
Model 72-1016: OPERATI NG MANUAL
l
Replace the battery as soon as the battery indicator
appears. With a low battery, the Meter might
produce false readings that can lead to electric shock and personal injury.
l
Remove test leads, temperature probe, RS232C interface cable, and alligator clip from the Meter and turn the Meter power off before opening the Meter case.
l
When servicing the Meter, use only the same model number or identical electrical specifications replacement parts.
l
The internal circuit of the Meter shall not be altered at will to avoid damage of the Meter and any accident.
l
Soft cloth and mild detergent should be used to clean the surface of the Meter when servicing. No abrasive and solvent should be used to prevent the surface of the Meter from corrosion, damage and accident.
l
The Meter is suitable for indoor use only.
Turn the Meter power off when it is not in use.
l
Remove batteries from meter if use of battery power
l
is not anticipated for long periods of time. Routinely check installed batteries for leaking. Remove
l
immediately if evidence of leaks exist.
7
International Electrical Symbols
AC or DC Ground Double Insulated Warning. Refer to the Operating Manual Low Battery Continuity Test Diode Capacitance Test Fuse Conforms to Standards of European Union
Model 72-1016: OPERATI NG MANUAL
8
Model 72-1016: OPERATI NG MANUAL
The Meter Structure (see figure 1)
1. LCD Display 2. Rotary Switch
3. Input Terminals 4. Functional Buttons
(Figure 1)
9
Rotary Switch
Below table indicated for information about the rotary switch positions:
Model 72-1016: OPERATI NG MANUAL
Rotary Switch Position
V
Hz
0
F
0
C
hFE
A
mA
A
10
Function
AC and DC voltage measurement :Continuity test. :Diode test. :Resistance measurement. Capacitance test
Hz
:Frequency measurement.
0
:Temperature in Fahrenheit
F
Temperature in celsius Transistor test AC or DC current measurement range from 0.1uA to 5999uA. AC or DC current measurement range from 0.01mA to 599.9mA. AC or DC current measurement range from 0.01A to 10.00A.
Model 72-1016: OPERATI NG MANUAL
Functional Buttons
Below table indicated for information about the functional button operations.
Button
POWER
LIGHT
SELECT
HOLD
RANGE
RS232C
MAX MIN
AC AC+DC
Operation Performed
Turn the power on and off. Turn the display backlight on and off.
l
Switches between AC and DC measurement.
l
Switches between continuity, diode and resistance measurements
l
Switches between frequency and Fahrenheit temperature. Press HOLD to enter and exit the Hold mode in any mode. Press RANGE to switch between manual and auto ranging. Turn on or off the serial port interface without changing the original setting. Starts recording of maximum and minimum values. Steps the display through high (MAX) and low (MIN). To select AC or AC+DC measurement.
11
Display Symbols (see figure 2)
12 10 1 11
Model 72-1016: OPERATING MANUAL
12
5.6.7
14
2
16
Auto Range Manual
AC+DC Trus RMS
RS232
HOLD
MAX
hFE MIN
13 3 4
(Figure 2)
0
C umVA
Trms
~mV
DC munF 0F
Mk Hz
15
8
9
Model 72-1016: OPERATING MANUAL
Number
1 2 3 4 5 6 7 8 9
Symbol
True RMS
HOLD
AC DC
AC+DC
OL
,K ,M
A, mA, µA
Meaning
Indicator for true rms value. Data hold is active. Sleep Mode feature is enabled. Indicates negative reading. Indicator for AC voltage or current. Indicator for DC voltage or current Indicator for AC+DC measurement The input value is too large for the selected range. :Ohm. The unit of resistance. :kilohm. 1 x 103 or 1000 ohms.
K
:Megaohm.1x106 or 1,000,000 ohms.
M
A :Amperes (amps).The unit of current. mA:Milliamp. 1 x 10-3 or 0.001 amperes. µA : Microamp. 1x 10-6 or 0.000001 amperes.
13
Model 72-1016: OPERATING MANUAL
14
Number
9
10 11
Symbol
V, mV
F, mF, µF,nF
0
C, 0F
Hz, kHz,
MHz
β
Meaning
V : Volts. The unit of voltage. mV: Millivolt.1 x 10-3 or 0.001 volts. F : Farad.The unit of capacitance. mF: Millifarad.1 x 10-3 or 0.001 farads µF : Microfarad.1x10-6 or 0.000001 farads. nF : Nanofarad.1 x 10-9 or 0.000000001 farads. Centigrade temperature Temperature in Fahrenheit Hz : Hertz. The unit of frequency in cycles/second. kHz : Kilohertz. 1 x 103 or 1,000 hertz. MHz: Megahertz. 1 x 106 or 1,000,000 hertz. Unit of transistor. Test of diode The continuity buzzer is on.
Model 72-1016: OPERATING MANUAL
Number
12
13 14 15
16
Symbol
AutoRange
Manual
MAX
MIN
RS232
hFE
Meaning
Indicator of Auto or manual range
Display of maximum or minimum value. Data output is in progress. The battery is low.
Warning: To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator appears. Transistor test is on
15
Measurement Operation
A. DC or AC Voltage Measurement (See figure 3)
Warning To avoid personal injury, or damage to the Meter from electric shock, please do not attempt to measure voltages higher than 1000V although readings may be obtained.
To measure DC/AC voltage, connect the Meter as follows:
1.
Insert the red test lead into the V terminal and the black test lead into the COM terminal. If the measured value is less than 600mV, insert the red test lead into mV terminal instead and press RANGE button to select manual range 600.0mV mode, the LCD displays “MANUAL” and “mV”.
2.
Set the rotary switch to V ; press SELECT button to select DC or AC measurement mode.
3.
Connect the test leads across with the object being measured. The measured value shows on the display . AC measurement displays True RMS value.
Model 72-1016: OPERATING MANUAL
(Figure 3)
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