Amprobe HD110C Bedienungsanleitung

HD110C

Heavy-Duty Digital Multimeter

User Manual

English

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

HD110C Features

HD110C

COM

2A MAX

FUSED

MAX

1500V

1000V

OFF

200

CAT

1000 V

200

2 A

1500

1000

200

Number Description

1 COM Input - common or low input for all measurements

2 Amp Input

3 Function/Range Selector Switch

4 Low Battery Indicator

5 Hold Indicator

6 3 ½ Digit LCD with unit indicators

7 AC/DC Button

8 Hold Button

9 High input - voltage and resistance

HD110C Heavy-Duty Digital Multimeter

Contents

Symbols........................................................................................................................................................2

Introduction.................................................................................................................................................2

Warnings and Precautions.......................................................................................................................... 2

Instrument Familiarization ......................................................................................................................... 3

Overload Indication ....................................................................................................................................3

Measuring Procedures ................................................................................................................................3

DC & AC Voltage Measurement (See Figure 1) ......................................................................................... 4

DC and AC Current Measurement (See Figure 2)...................................................................................... 4

Resistance Measurement (See Figure 3) ....................................................................................................4

Diode and Continuity Test (See Figure 4) ..................................................................................................4

AC/DC Button ..............................................................................................................................................5

Hold Button.................................................................................................................................................5

Auto-Power Down ......................................................................................................................................5

Incorrect Input Warning .............................................................................................................................5

Safety Test Leads .........................................................................................................................................5

Optional Accessories ................................................................................................................................... 5

Speciﬁcations............................................................................................................................................... 6

Maintenance & Repair ................................................................................................................................8

Battery / Fuse Replacement (See Figure 5) ................................................................................................8

Repair........................................................................................................................................................... 9

Symbols

BBattery Refer to the manual

Double insulated Dangerous Voltage

Direct Current Earth Ground

Alternating Current Audible tone

Fuse Complies with EU directives

Conforms to relevant

Australian standards. ®Canadian Standards Association.

[Note: Canadian and US.]

Do not dispose of this product as unsorted municipal waste. Contact Amprobeor a

qualiﬁed recycler for disposal.

Introduction

The HD110C Heavy-Duty Digital Multimeter is a 3-1/2 digit, manual ranging, ac-coupled average

measuring rms reading display instrument that measures: voltage, current, resistance, continuity, and

diode junctions. Menu selection allows Data Hold and ac or dc voltage and current selection.

Warnings and Precautions

This instrument is EN61010-1 certiﬁed for Cat IV, 1000 V ac/1500 V dc and lower installations.

Based on EN61010-1 transient requirements, this product should only be used in installations

where transients do not exceed 12,000 volts (a 1.2 µS/50 µS pulse).

• All inputs are protected against continuous overload conditions up to the limits of

each function's stated input protection (see speciﬁcations). Never exceed these limits or the

ratings marked on the instrument itself.

• Exercise extreme caution when: measuring voltag e >20 V, current >10 mA, ac power

line with inductive loads, ac power line during electrical storms. High voltages can be lethal

and high voltage transients may occur at any time.

• Operator injury or damage to the multimeter may occur during current measurements

if the fuse blows in a circuit with open circuit voltage exceeding 1000 V ac/1500 V dc.

• Always inspect your DMM, test leads and accessories for signs of damage or

abnormality before use. If an abnormal condition exists (broken or damaged test leads,

cracked case, display not reading, etc.), do not use. The internal fuse cover is integral to the

EN61010-1 Cat IV safety rating and must be in place to avoid potential shock hazards

• When testing for voltage or current, make sure these ranges function correctly. Take a

reading of a known voltage or current ﬁrst.

• Never ground yourself when taking measurements. Do not touch exposed metal pipes,

outlets, ﬁxtures, etc., which might be at ground potential. Keep your body isolated from

ground and never touch exposed wiring, connections, test probe tips, or any live circuit

conductors. Do not use the Flex-Strap to attach the meter to your body.

• Always measure current in series with the load – NEVER connect the multimeter

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

ACROSS a voltage source. Check fuse ﬁrst.

• Never replace a fuse with one of a different rating.

• Do not operate instrument in an explosive atmosphere (ﬂammable gases, fumes,

vapor, dust.)

• Do not use this or any piece of test equipment without proper training

• CRT SERVICE SAFETY REMINDER: A potential danger exists when measuring voltages in

the horizontal output and damper stages of CRT equipment. (High voltage transients greater

than 8000 V). Refer to your CRT service manual for proper servicing instructions.

Instrument Familiarization

Your shipping carton should include the multimeter, a holster with Magne-Grip hanging strap, one test

lead set (one black, one red) threaded alligator clips, one 9 V battery (installed), one 2 mm hex wrench

(inside holster) and this manual. If any of the items are damaged or missing, immediately return the

complete package to the place of purchase for an exchange.

Protective Holster

The holster/tilt stand protects the meter form accidental falls and provides greater ease of use. Both test

lead probes can be attached to the holster for storage. One probe can be attached for measurement,

holding the meter with probe in one hand and the second probe in the other hand.

Overload Indication

Overload Indication: (input exceeds meter’s highest range) and Display Overload (input

exceeds selected range) are both signaled by a 1 displayed on the left side of the LCD.

In the volts or amperage ranges Display Overload can be corrected by selecting a

higher range to display the input reading. If the highest range is selected and the overload indication

continues, this is now an Input Overload. Remove the test leads from the circuit immediately as input

exceeds the meter’s rated capability.

Note: In both instances, the overload indication is normal in the OHMS and Continuity/Diode ranges to

indicate an open circuit. Function Error is signaled a by continuous tone when a test lead is placed in

either the 2 A jack and the selector switch is not in the correct current range. If the meter is connected

to a voltage source with test leads set for current, very high current could result. All current ranges are

protected with fast acting fuses.

Battery Low: When the battery low indicator is displayed the battery has less than 50 hours operation

and the accuracy of the meter can no longer be guaranteed.

Measuring Procedures

Turn the meter on by turning the function/range switch away from OFF and selecting the parameter

you want to measure. If the parameter selected has more than one range position, the display will

indicate the range by a changing position of the decimal point. Always select the highest range if the

maximum potential reading is not known. Then turn the selector switch down in range to obtain the

best resolution reading.

1. When connecting or disconnecting test leads to a circuit, always turn off power to device or

circuit being tested and discharge all capacitors.

2. Strictly observe the max input limits.

3. Do not change functions while test leads are connected to circuit.

DC & AC Voltage Measurement (See Figure 1)

1. Connect test leads to the meter as shown in Figure 1.

2. Turn function selector switch to V and the desired range.

3. Press the AC/DC menu button to display either ac or dc indicator.

4. Touch Probe tips across voltage source (in parallel with circuit).

5. Voltage value will appear on Digital Display along with the voltage polarity (for dc).

DC and AC Current Measurement (See Figure 2)

1. Connect red test lead to the A input for current measurements up to 2 A. Connect black test

lead to COM input connector.

2. Set the Function Switch to the desired current range.

3. Press the AC/DC menu button to display either AC or DC indicator.

4. Open circuit in which current is to be measured (voltage between this point and ground must

not exceed 1000 V ac/1500 V dc). Securely connect test leads in series with the load.

5. Turn on power to circuit being tested.

6. Read current value on Digital Display.

Incorrect Input Warning: A tone will sound when a test lead is connected to the amperage jack, but the

selector switch is not set to the correct current range. Ranges 200 µA to 2 A require the test lead to be in

the A jack.

Resistance Measurement (See Figure 3)

1. Turn off any power to the resistance to be measured and discharge any capacitors. Any

voltage present during a resistance measurement will cause inaccurate readings.

2. Connect test leads to the meter as shown in Figure 3.

3. Set Function/Range Switch to the desired resistance range.

4. Connect test leads to circuit being measured.

5. Read resistance value on digital display. Open circuits will be displayed as “1”.

Diode and Continuity Test (See Figure 4)

The diode test measures the voltage drop across a diode junction.

1. Connect the test leads as shown in Figure 4.

2. Set the Function/range switch to .

3. Apply probe tip of red lead to the anode and the black lead to the cathode of the diode.

4. The meter’s display indicates the forward voltage drop (approx. 0.6 V for silicon diode or

0.4 V for germanium diode). An open diode is indicated by “1”.

5. Reverse test lead connections to the diode to perform a reverse bias test. “1” indicates a

good diode.

Notes: “1” for both reverse and forward bias tests indicates an open diode. A low voltage reading for

both bias tests indicates a shorted diode. If the diode is shunted by a resistor of 1000 Ωor less, it must be

removed from the circuit before taking the measurement. Bipolar transistor junctions may be tested in

the same manner described above as emitter-base and base-collector junctions are diode junctions.

When measuring continuity (also for shorted diodes) the meter emits a continuous tone when the

resistance value falls below 50 .

AC/DC Button

The AC/DC button works in conjunction with the Selector Switch to alternate the type of

input desired for the Volts and Amperes ranges. Each press of the button will alternate

the input type again and an ac or dc indication will be appear on the display.

Hold Button

Data Hold freezes the reading present on the LCD at the moment the button is pressed.

To use this menu feature set up the meter for the type of measurement and range

desired. Connect the test leads to the circuit/component to be measured, then press Hold.

The LCD reading will freeze and display “HOLD.” You may now remove the test leads and

the reading will not change until you press Hold again.

Auto-Power Down

In order to save battery life, your multimeter powers down automatically after approximately 30

minutes of inactivity. You can turn it back on by turning the function selector switch to OFF and back to

a measuring function.

Incorrect Input Warning

The meter sounds a steady audio tone and displays when a test lead is placed in the 2 A input jack

and the Selector switch is not set to a correct current position. If the multimeter is connected to a

voltage source with leads set for current, very high current could result. All current ranges are protected

with fast acting fuses.

Safety Test Leads

The test leads included with your meter have shrouded banana plugs to eliminate the possibility of

shock if the plugs accidentally pull out of the meter while making a measurement. Replacement part

number for safety test leads is TL1500.

Optional Accessories

CT235A 1000 A ac/dc Clamp FP700 2 A/1500 V Fuse

CT237A 200 A ac/dc Current Clamp HV231-

10A High Voltage Probe

CT238A 20 A ac/dc Current Clamp TC253B Temperature Converter

(900 °C/1652 °F)

DC205C Deluxe Hard-Shell Carring Case TL1500

Standard Replacement Test Leads

with threaded alligator clips,

CAT IV

DC207C

Large Deluxe Hard-Shell Carry

Case with extra space for

accessories

VC221B Padded Vinyl Carrying Case

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

Speciﬁcations

General Speciﬁcations

Display: 3-1/2 digit LCD, 1999 counts, with

annunciators and menu features

Polarity Indication: Automatic

Input overload indication: 1

Low Battery Indication: B< 50 hours battery life

remain, accuracy is no longer guaranteed

Display Update Rate: 2.5/sec, nominal

Oper. Temp. (< 75 % R.H.): 0 °C to +50 °C

Storage Temp: -20 °C to 60 °C, 0 to 80 % RH,

battery removed

Temperature coefﬁcient: 0.1 x spec. accuracy /°C

(0–18 °C and 28–50 °C) all functions and ranges

except for mVDC

Temperature coefﬁcient: 0.3 x spec. accuracy /°C

(0–18 °C and 28–50 °C) for mVDC

Environment: Indoor use only.

Altitude: Up to 2000 m

Power: Standard 9 V battery, NEDA 1604, JIS

006P,IEC 6F22

Auto Power-Down: Meter powers down after

approx. 30 min. of inactivity.

Battery Life: 250 hours typical with carbon-zinc,

500 hours typical with alkaline

Dimensions, with holster (H x W x D): 200 x 102 x

59 mm (7.9 in x 4.0 in x 2.3 in)

Weight (incl. battery): 642 g (1.4 lb)

Accessories: Test leads, battery (in instrument),

hex wrench in holster, Magne-Grip ﬂex strap and

Users Manual

Case material: Flame retardant, high-impact

thermoplastic

Safety: meets EN 61010-1 Cat IV - 1500 V dc and

1000 V ac rms, Class II EN60529:IP67

EMC: Meets EN 61326-1

This product complies with requirements of

the following European Community Directives:

89/336/EEC (Electromagnetic Compatibility) and

73/23/EEC (Low Voltage) as amended by 93/68/EEC

(CE Marking).

However, electrical noise or intense

electromagnetic ﬁelds in the vicinity of the

equipment may disturb the measurement circuit.

Measuring instruments will also respond to

unwanted signals that may be present within

the measurement circuit. Users should exercise

care and take appropriate precautions to avoid

misleading results when making measurements in

the presence of electronic interference.

Electrical Speciﬁcations

Accuracies at 23 °C ± 5 °C, <75 % RH non-

condensing, guaranteed for one year.

DC Volts

Ranges: 200 mV, 2 V, 20 V, 200 V, 1500 V

Resolution: 0.1 mV

Accuracy: All ranges ±(0.1 % rdg+2 dgts)

Input Impedance: 10 MΩ

OL Protection: 1500 V dc/1000 V ac rms

Transient Protection: 12 kV impulse (1.2 µS/50 µS)

based on EN 61010-1:2001 impulse requirement

for at CAT IV 1000 V product. This product should

not be used in installations where transients

exceed 12 kV.

AC Volts (45 Hz to 2 kHz)

Ranges: 200 mV, 2 V, 20 V, 200 V, 1000 V

Resolution: 0.1 mV

Accuracy:

200 mV to 200 V (45-500 Hz): ±(0.8 % rdg+4 dgts)

1000 V (50-60 Hz): ±(0.8 % rdg+4 dgts),

200 mV to 200 V (500 Hz-2 kHz): ±(1. 5% rdg+5

dgts),

1000 V (60-500 Hz): ±(1.5 % rdg+5 dgts)

Input Impedance: 10 MΩ

OL Protection: 1500 V dc/1000 V ac rms

Transient Protection: 12 kV impulse (1.2 µS/50 µS)

based on EN 61010-1:2001 impulse requirement

for at CAT IV 1000 V product. This product should

not be used in installations where transients

exceed 12 kV.

DC Current

Ranges: 200 µA, 2 mA, 20 mA, 200 mA, 2 A

Resolution: 0.1 µA

Accuracy: 200 µA to 20 mA: ±(0.5 % rdg+2 dgts),

200 mA to 2 A: ±(1.0 % rdg+2 dgts)

Voltage Burden: 250 mV max.

(1 mV/1 µA on 200 µA Range),

(100 mV/1 mA on 2 mA Range),

(10 mV/1 mA on 20 mA Range),

(1.5 mV/1 mA on 200 mA Range),

(500 mV/1 A on 2 A Range)

OL Protection: A Input (F 2 A/1500 V,

size 8 x 65 mm IR fast blow ceramic)

AC Current (45 Hz to 1 kHz)

Ranges: 200 µA, 2 mA, 20 mA, 200 mA, 2 A

Resolution: 0.1 µA

Accuracy: 200 µA to 20 mA: ±(0.8 % rdg+4 dgts),

200 mA to 2 A: ±(1.2 % rdg+4 dgts)

Voltage Burden: 250 mV max. (1 V on 2 A range)

OL Protection: Same as DC Current.

Resistance

Ranges: 200 Ω, 2 kΩ, 20 kΩ, 200 kΩ, 2 MΩ, 20 MΩ

Resolution: 0.1 Ω

Accuracy: 200 Ω±(0.5 % rdg+4 dgts),

2 kΩto 200 kΩ: ±(0.3 %rdg+2 dgts),

2 MΩ: ±(1.0 % rdg+4 dgts),

20 MΩ: ±(2.0 %rdg+4 dgts)

OL Protection: 1500 V dc/1000 V ac rms

Open Circuit Voltage, 200 Ωrng: 3.0 V dc typical;

all other rngs 0.3 V dc typical.

Diode/Continuity Test

Test Current: 1m A dc typical

Test/Open Circuit Voltage: 3.0 V dc Typical

Diode Accuracy: ±(1.5 % rdg +2 dgts)

Continuity Audible Threshold: < 50 Ω± 25 Ω

Response Time: <100 msec

OL Protection: 1500 V dc/1000 V ac rms

Maintenance & Repair

If there appears to be a malfunction during the operation of the meter, the following steps should be

performed in order to isolate the cause of the problem:

1. Check the battery.

2. Review the operating instructions for possible mistakes in operating procedure.

3. Inspect and test the test probes for a broken or intermittent connection.

4. Inspect and test the fuse. See Fuse Replacement.

Except for the replacement of the battery or fuse, repair of the multimeter should be performed only by

a Factory Authorized Service Center or by other qualiﬁed instrument service personnel. The front panel

and case can be cleaned with a mild solution of detergent and water. Apply sparingly with a soft cloth

and allow to dry completely before using. Do not use aromatic hydrocarbons or chlorinated solvents for

cleaning.

Battery / Fuse Replacement (See Figure 5)

 Warning

To prevent electrical shock or meter damage, disconnect the meter’s test leads from any circuit and the

meter then turn the meter off before removing the rear case cover.

Precautions

• The hex head case screws each have a washer and gasket integral to the meter’s water/dust-

proof integrity. Upon opening, be sure these are retained and replaced when closing.

• Prying the rear case cover off with a knife or screwdriver is not recommend as this may

damage the case rim ﬂanging and/or gasket and destroy the water/dust-proof integrity.

• The fuse cover is integral to the EN61010-1 Cat IV safety rating and must be replaced to avoid

potential shock hazards.

• Battery or fuse replacement should be performed in a clean environment and with

appropriate care taken to avoid contaminating the meter’s interior components.

• There are no user serviceable parts or components on the circuit boards. Disassembly beyond

the instructions listed below for battery and/or fuse replacement will void all warranties.

OPENING: Disconnect the test leads, turn off the meter and remove the holster. Remove the six hex head

screws in the face plate using the 2 mm hex wrench mounted in holster. Remove the rear case cover

carefully and place the front of the meter face down on a clean padded surface.

BATTERY REPLACEMENT: Disconnect the test leads, turn off the meter and remove the holster. Remove

the 4 hex head battery cover screws from the rear case cover using the 2 mm hex wrench as Shown in

Figure 5. Replace the battery with a NEDA type1604 or equivalent 9 V alkaline battery. Make sure the

battery compartment seal is in good condition and properly aligned before replacing the cover and

screws.

FUSE REPLACEMENT: Open the case by disconnecting the test leads, turn off the meter and remove the

holster. Remove the six hex head screws in the face plate using the 2 mm hex wrench mounted in the

holster. Remove the rear case cover carefully and place the front of the meter face down on a clean

padded surface. The fuses are located under a protective cover. Lift off cover and carefully remove the

fuse by gently prying under the fuse. Pry out the large fuse by placing a small ﬂat screwdriver under

the fuse’s end caps. Do NOT use the gasket as a fulcrum point as this could permanently disﬁgure the

gasket.

 Warning

Use only the same size and type fuse speciﬁed. Use of higher amperage or lower voltage or different

type fuses could result in shock, injury and/or damage to the meter. Replacement fuse is:

2 A/1500 V fast blow ceramic size 8 x 65 mm (small) fuse. Amprobep/n: FP700.

CLOSURE: Replace the fuse cover and replace rear case cover careful not to bend or pinch the case rim

gasket. Reinstall the six hex-head screws with a gasket and washer and tighten securely with an even

amount of torque on each. Do NOT over tighten as this may strip case threading. Turn on the meter and

test operation. If working normally replace the holster.

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