MT750
INSTRUCTION MANUAL
DIGITAL CLAMP METER
MT750
Barrier
It is a part providing protection against electrical
shock and ensuring the minimum required air and
creep age distances.
1. Specification
Accuracy guaranteed
100% Or less of range
Temperature 23 ± 5°C
Humidity 45
-
75%
ACA
(Auto Range)
Range
Accuracy
40A
0.00, 0.03
-
41.99A
±
1.4 %rdg
±
6dgt
(50/60Hz)
±
1.6 %rdg
±
6dgt
(45
-
65Hz)
400A
32.0
-
419.9A
1000A
320
-
1049A
Input protective current
：
AC1200A
ACV
(Auto Range)
Range
Accuracy
4V
0.000, 0.005
-
4.199V
±
1.8 %rdg
±
7dgt
(45
-
65Hz)
±
2.3 %rdg
±
8dgt
(65
-
500Hz)
40V
3.20
-
41.99V
400V 32.0
-
419.9V
600V 320
-
629V
DCV
(Auto Range)
Range
Accuracy
400mV
±
0.0
-
±
419.9mV
*1
4V
±
0.320
-
±
4.199V
±
1.0%rdg
±
3dgt
40V
±
3.20
-
±
41.99V
400V
±
32.0
-
±
419.9V
600V
±
320
-
±
629V
*1 : Accuracy is not guaranteed
ACV/DCV / input impedance
：
>100M
Ω (400mV Range)
：
11M
Ω (4V Range)
：
10M
Ω (40/400/600V Range)
Resistance
（
Auto Range
）
Continuity
Range
Accuracy
400
Ω
0.0
-
419.9
Ω
±
2.0%rdg
±
4dgt
4k
Ω
0.320
-
4.199 k
Ω
40k
Ω
3.20
-
41.99 k
Ω
400k
Ω
32.0
-
419.9 k
Ω
4M
Ω
0.320
-
4.199 M
Ω
±
4.0%rdg
±
4dgt
40M
Ω
3.20
-
41.99 M
Ω
±
8.0%rdg
±
4dgt
Cont.
0.0
-
419.9
Ω
Bz threshold value
50
±
30
Ω
Open-loop voltage
：
<3.4V (400
Ω / Cont Range)
：
0.7V typ (4k
Ω Range)
：
0.47V typ (40k
-
40M
Ω Range)
Input protective voltage
：
AC/DC600V / 10 sec
●
Measuring method 2 Dual integration
●
Over-range indication OL
●
Measurement cycle / 2.5 times per second
0
●
Applicable Standards
IEC/EN 61010-1/ 61010-2-032/ 61010-031
/61010-2-030
2 / Pollution degree 2
Indoor use
Altitude up to 2000m
Current measurement section CAT.III 600V
Voltage measurement section
CAT.II 600V / CAT.III 300V
EN61326 (EMC)
RF 3V/m 5
In the radio-frequency electromagnetic field of
3V/m, accuracy is within five times the rated
accuracy.
●
Withstand voltage
AC5320Vrms 5
AC3540Vrms 5
AC5320Vrms 5sec between current sensor and
enclosure
AC3540Vrms 5sec between circuit and enclosure
●
Insulation resistance >100M
Ω /
between enclosure and electrical circuit
●
0
～
40°C 85%
Operating Temperature and humidity range
0 to
40°C 85%RH or less (no condensation)
●
-20
～
60°C 85%
Storage Temperature and humidity range
-20 to 60°C 85%RH or less (no condensation)
●
Power source
DC3V
：
4
×
2 / R03/LR03 (AAA)
×
2
●
Current consumption < 3mA
●
Battery life 350 (ACA / Approx. 350 hours (ACA,
continuous, no load)
●
Dimension, Weight 190(L)
×
68(W)
×
20(D)mm
approx. 120g / including batteries
）
●
Accessories
Test leads Model 7107A
1set
Battery R03(AAA)
2pcs
Instruction manual
1pce
Carrying case Model 9160
1pce
2. Other Function
●
Data Hold
Press the Data Hold Key to freeze the reading.
Press the Data Hold Key again to release the
freezing display.
LCD
/ indicated
“ ” on LCD
●
Low battery indication
2.3
±
0.15V LCD
“ ”
indicated
“ ” on LCD at 2.3
±
0.15V or less
●
Sleep Function
10
。
ON LCD " " 2
Automatically powered off in about 10min after.
To disable the sleep function, power the
instrument on with the Data Hold Key pressed.
(indicated " " for about 2 seconds on LCD)
3. ACA / Measurement
DANGER
Never measure current while the test leads are
inserted into the V/
Ω and/or COM Terminals.
Function Switch
Current Sensor
Mode Key
Data Hold Key
LCD
V/
Ω Terminal
COM Terminal
Trigger
Snap Band
Cap
Barrier of Test Leads
Barrier
WARNING
Read through and understand the
instructions contained in this manual
before using the instrument.
