WattMaster AMM10 Instruction Manual

AMM10

INSTRUCTION MANUAL

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~ ~ I~.~~~~ 1. Introduction

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~ ~-""'n"'~.s _I]'\~ NOTE

~CIII..,~;~~j;~~~d~~~~:~tn"'- A This meter has been designed and tested according to lEG

.c:J~~~~G A-- II ~

~~-.~ill--j-- Publication 348, Safety Requirements for Electronic Meas-

0 - V ~ \\ Ilt\ uring Apparatus. IEG-1 01 0(EN61 01 0) and other safety

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0 ~ 1111 A standards Follow all warning to ensure safe operation.

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,', 'j , ~ ~=~~ WARNING

, ': ~ ft\ READ "SAFETY NOTES" (NEXT PAGE) BEFORE USING

~ THE METER.

BLACK ~

RED~

(1) Indicator Zero (8) Indicator Pointer

Corrector

(2) R S I t (9) Rear Case Bolt

ange e ec or

Switch Knob (10) Rear Case

(3) Measuring Terminal + (11) Stand

(4) Measuring Terminal - (12) Connector For

COM (Common) hFE Test

(5) 0 t t T . I (13) Connection Pin

u pu ermlna To Tester

(6) On Adjusting (14) Transistor Base

Knob Clip

l (7) Panel (15) Transistor Collector

Clip - 1 -

2. Safety Notes 3. Feature

8 Read the following safety information carefully ') 8 Easy to read 3-color scale...for mistake proof

before attempting to operate or service the meter. reading.

8 Use the meter only as specified in this manual; 8 Mirror scale...makes reading pointer easy.

otherwise the protection provided by the meter may 8 Safety fused...on all ranges.

be impaired. . 8 Diode protected meter...prevents damage

8 Rated environmental conditions: due to overload.

(1). Indoor use. 8 Safety features...safety fused, safety "OFF"
(2). Installation Category II . position.

(3). Pollution Degree 2. 8 hFE and db measurement.
(4). Altitude up to 2000 Meter. 8 With stand...makes reading and measuring
(5). Relative Humidity 80% Max. easy.

(6). Ambient Temperature 0-40 DC. 8 Packaging...packed completely with

8 Observe the International Electrical Symbols listed AL-27 test leads, hFE leads, Fuse, instruc-

below. tion manual.

f"5l Meter is protected throughout by double
~ insulation or reinforced insulation.

& Warning! Risk of electric shock.

II:.. Caution! Refer to this manual before

m using the meter.

~ Alternating current

;-;-; Direct current

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4. Specification Internal batteries: UM-3 X 2, 006P X 1

AF Output (dB)

. . Range: -10dB - +22dB(for 10VAC)- +62dB

1. As a circuit tester

I OdB/0.775V (1 mW through 6000 )

DC Voltage (DCV) Accuracy at FDS : :1:4%

Ranges: Output terminal: 9KQ/V

0-0.1-0.5-2.5-10-50-250-1000-25kV

Accuracy at FSD : :1:3% 2. As a transistor tester
Sensitivity: 20K Q/V Leakage Current (ICEO)

Extension: 25KV (with HV probe extra) Range: 0-150uA at X1k range

AC Voltage (ACV) 0-1.5mA at X100 range

Range: 0-15mA at X10 range

0-10-50-250-1000V 0-150mA at X1 range

Accuracy at FSD : :1:4% Accuracy at FDS : :1:5%

Sensitivity: 9K Q/V Current across terminals

Decibelmeter : 30Hz - 50KHz :l:1dB DC Current Amplification Factor (hFE) :

50Hz - 20KHz :1:3% Range: 0-1000 at 10 range (lc/IBC)

( 50V or less) Accuracy at FDS : :1:3% With connector extra

DC Current (DCA)

Range: l Size and Weight: 150(L)X100(W)X36(D) mm,

0-50uA- 2.5mA-25mA- 0.25A 50uA at 0.1VDC about 300 g

position Accessories: 5.241 X 20 spare fuse (250V/0.5)
Accuracy at FDS : :1:3% is supplied, Test lead, 1 pair.
Voltage drop: 250mV ( 100mV for 50uA) Optional accessories: TR. connector (HFE-6)

Resistance (0) HV probe (HIV-10),

Range: X1, X10, X100, X1K, X10K Carrying Case.

Minimum 0.2, 2, 20, 200, 200KO
Midscale 20, 200, 2K, 20K, 200KO
Maximum 2K, 20K, 200K, 2M, 20MO

Accuracy at FDS : :1:3%

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notations (50uA-0.25A) indicates the maximum

5 Measuring Method current reading for that range. (uA=101\-3 mA and

. S A=101\3mA)

(4) Resistance (0)

As a circuit tester Resistance is measured, and line and circuit con-

. Zero correction of indicator. tinuity (00 or 00) tested. Each of 4 the range notat-

Zero corrector 0 is adjusted to place the pointer 0 ions indicates the multiplication of the reading for
on 0 of the scale left. It need not be repeated at each that range, where K stands for 1000.

measurement, but the position of the pointer on zero

must be confirmed before starting measurement. . Measurement ranges and scale reading

. Test lead connections

The test leads attached are inserted well down; the
red lead going to the + jack and the black lead to the Scale mark Measurement Scale reading

-COM jack.

. Selection of range .0. (black) Resistance x1 range directly

When selecting a range, the white mark on the knob reads 0.2.o.-2k.o.. For

is correctly positioned at the prescribed range. x10, x100, x1k and

(1) DC Voltage (DCV) x10k ranges, multi-

DC voltage of batteries, amplifier circuit, power ply readings by the
source of communication equipment, tube and multipliers.
transistor circuit biases, etc. are measured. Each
of the 7 range notations (0.1-100) indicates the Mirror For accuracy read­maximum voltage reading for that range. ing, the pointer itself

(2) AC Voltage (ACV) and its image in the

Voltages of commercial AC supply, AC powered mirror must be lined

circuits, AF- signal level, etc. are measured. Each up.
of the 4 range notations (10 -1000) indicates the

maximum voltage reading for that range. DCV.A DC voltage 0-10,0-50 and 0-250

(3) DC Current (DCA) (black) and current lines each reading

Current consumption of DC power operated 0-10V, 0-50V and

L. equipment, bias current of tube transistor 0-250V fs. circuits, etc. are measured. Each of the 4 range

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