Tenmars TM-1012 User Manual

DIGITAL CLAMP METER User’s manual TM-

1012

HB2TM1012UL1

CONTENTS

1. Features ........................................................... 1

2. Specifications.................................................... 1

3. Instrument Description ...................................... 6

3.1.Alignment marks ....................................... 6

3.2.Use of rubber test leads holster ................ 6

4. Measurement .................................................... 7

4.1.4-1. Notes ................................................. 7

4.2.AC Current (ACA) measurement............... 8

4.3.AC Voltage (ACV) measurement .............. 9

4.4.DC Voltage (DCV) measurement ............ 10

4.5.Resistance measurements ...................... 11

4.6.Continuity test ......................................... 12

4.7.Diode Check ........................................... 13

5. Symbols Description ....................................... 14

6. Safety precaution ................................ ............ 14

7. Maintenance Notes ......................................... 15

7.1.Maintenance and Care ............................ 16

EN-1

TM-1012

Thank you for purchasing this instrument. Please read
this instruction manual carefully and completely before
using your digital clamp meter correct operation will
insure the best performance and decrease the possibility
of damages.

Safety Precaution

CAUTION

Take extreme care for the following
conditions while measuring

1. FEATURES

* Jaws opening up to 30mm.
* The maximum conductor size is ψ30mm.

* Safety sockets designed.
* Data Hold.
*Impedance in circuit is below 25Ω The buzzer will

sound.

2. SPECIFICATIONS

a. Display: 3 1/2 digits LCD with maximum reading

1999, Plus decimal point, unit symbol indication.

b. Polarity Indication: Automatic polarity, “-“ display for

negative input.

c. Overload Indication: LCD will show a “OL” in the left

highest position.

d. Low Battery Indication : Replace battery as LCD

display “ ”.

EN-2

TM-1012

e. Battery Life: 200 hours approx.(alkaline battery

recommended)
f. Sampling Rate: 2 times per second for digital display.
g. Power Supply: R03 (AB)/SIZE AAA 1.5V/UM4

battery x2.
h. Operation Altitude: up to 2000m.
i. Operating Environment: Indoor use. This instrument

has been designed for use in an environment of

pollution degree 2.
j. Auto Power Off: The power will be automatically turn

off while the range set is unchanged for more than 10

minutes.
k. Disabling Auto Off: Set the range selector OFF

position to any range and also press down RANGE

button.
l. Operating Temperature : 5℃ to 40℃

m. Operating Humidity: 80% relative humidity for

temperatures up to31℃ decreasing linearly to 50%

relative humidity at 40℃.
n. Storage Temperature & Humidity: -10℃ to 60℃,

0~70% RH.
o. Safety: EN 61010-1(2001) and EN 61010-2-

032(2002) ,UL61010B-1, UL1010B-2-032 CATIII

600V (between ground and input terminal)
p. EMC:This apparatus was designed in accordance

with EMC standards in force and its compatibility has

been tested in accordance EN61326 (1997) + A1

(1998) + A2 (2001).
q. Dimension: 205mm(L)x64mm(W)x39mm(H).
r. Weight: About 280g.(including batteries)

EN-3

TM-1012

s. Accessories: Test Leads 、 manual 、 Carrying

case、1.5V Batteries x2,Rubber test lead holster.
Electrical Specifications
Accuracy: ±(…..%rdg……dgt)

ACA (Auto/Manual)

Range

Resolution

Accuracy
50Hz~60 Hz

Overload Protection
200A

0.1A

± (1.5%+10)

600A rms
(60 second)

400A

1A

ACV (Auto/Manual)

Range

Resolution

Accuracy
50Hz~500 Hz

Input
Impedance

Overload
Protection

2V

1mV

± (1.0%+3)

11MΩ

DC/AC
660V rms

20V

10mV

10MΩ

200V

100mV

600V

1V

± (1.2%+3)

DCV (Auto/Manual)

Range

Resolution

Accuracy

Input
Impedance

Overload
Protection

2V

1mV

± (0.8%+2)

11MΩ

DC/AC
660V rms

20V

10mV

10MΩ

200V

100mV

600V

1V

± (1.0%+2)

Continuity Test

EN-4

TM-1012

Range Buzzer Max. Open Overload

Voltage Protection

below 25Ω About-1.5VDC 600V

rms Diode Check

Range

Resolution

Accuracy

Max. Open

Voltage

Overload
Protection

10mV

±(0.5%+3)

About-

3.VDC

Resistance (Auto/Manual)

Range

Resolution

Accuracy

Max. Open
Voltage

Overload
Protection

200Ω

0.1Ω

±(1%+5)

about -1.5VDC

DC/AC
600V rms
(60Second)

2KΩ

1Ω

±(1%+3)

About-0.45VDC

20KΩ

10Ω

200KΩ

100Ω

2MΩ

1KΩ

20MΩ

10KΩ

±(3%+3)

3. INSTRUMENT DESCRIPTION(SEE FIG.1)

1. Inductive clamp jaw.

2. Safety guard.

3. Jaw Trigger.

4. DATA HOLD button: The reading data shown on

LCD can be locked while pressing the button.