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HT Instruments M74 Multifunction Safety Tester and TRMS DMM

Name: HT Instruments M74 Multifunction Safety Tester and TRMS DMM
Brand: HT Instruments
SKU: HT InstrumentsM74
Price: 895.00 USD
Availability: InStock

0 reviews | UPC: 8033100840766 | Model: HT Instruments M74

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Multifunction safety tester and TRMS DMM

Continuity test of protective conductors with 200mA
Insulation Resistance measurement with 250, 500VDC
Trip-out time of RCDs type AC Standard
Selectable test current; 30mA, 30x5mA, 100mA, 300mA
Global Earth Resistance without RCD tripping
Global Earth Resistance with 0.1? resolution
Automatic test of global earth resistance + RDC test + insulation test
DC Voltage
AC TRMS Voltage
Automatic detection of AC/DC signals
AC TRMS Current with optional external clamp
AC TRMS Leakage current with optional external clamp
Resistance
Continuity test with buzzer
Frequency with test leads
Frequency with optional external clamp
Phase sequence indication at 1 or 2 wires method
Phase coincidence indication at 1 or 2 wires method
MIN/MAX/AVG functions
PEAK function with response time 1ms
HOLD function
Auto Power OFF

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Items in This Series



Product	HT Instruments M74 Multifunction safety tester and TRMS DMM	HT Instruments M71 Earth resistance meter by two auxiliary earth rods	HT Instruments M72 500V insulation meter, 200mA continuity meter and TRMS DMM	HT Instruments M73 RCDs tester, global earth resistance meter and TRMS DMM	HT Instruments M75 Multifunction safety tester, TRMS DMM and LAN wire mapper	HT Instruments Jupiter Multifunction Multimeter for electrical installation safety testing
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HT Instruments M74 Multifunction Safety Tester and TRMS DMM

M74 is one of four models of new MULTITEST family of portable meters, which included also M72, M73 and M75 meters, designed to perform Global Earth Resistance measurements, trip out time test on AC RCD type, Insulation and Continuity of earth conductors according to VDE and IEC common standards on typical urban electrical installations. Powerful AUTOTEST feature permits to M74 to quickly perform an automatic sequence of the above tests directly to the plugs of electrical plants with OK or NOT OK response results. M74 meter also include others features as phase sequence with 1 wire method, leakage current with optional transducer clamp and a powerful DMM function for TRMS measures of voltage and current ideal for troubleshooting operations both in civil and industrial environments. Voltage and current peak measure on 1ms it’s also ok for inrush current evaluation of electrical motor devices. As each model of MULTITEST family also M74 have a large LCD display for easy readings, a modern and ergonomic external case, a innovative electronic function selector for easy to use and a protection rubber holder to prevent accidental damaged.

STANDARD

KIT0075 : Set 2 cables with leads + 2 alligator clips
C2075 : Cable 2 wires with Shuko plug
BORSA75 : Carrying bag
ISO9000 calibration certificate
User manual on CD-ROM
Quick reference guide

OPTIONAL

HT96U : Rigid clamp 1-100-1000A AC, diameter 54mm
HT4003 : Rigid clamp 400A AC, diameter 30mm
HT4004N : Transducer clamp 10-100A DC
NOCANBA : Adapter Hypertac female/Banana males

TECHNICAL SPECIFICATIONS – DMM FUNCTIONS
DC VOLTAGE (Autorange)
Range	1.0mV-605.0V
AC VOLTAGE TRMS (Autorange)
Range	1.0mV-605.0V
GENERAL SPECIFICATIONS
DISPLAY
Features	Dual numeric, 9999 points
Display update	2 times/sec
Visible area	73x73 mm
POWER SUPPLY
Batteries	4 batteries 1.5V type LR6-AA-AM3-MN 1500
ELECTRICAL FEATURES
Conversion	AC 16 Bit, TRMS
Sample frequency	64 sample/period
MECHANICAL FEATURES
Dimensions	240(W) x 100(L) x 45(D) mm
Weight (included batteries)	about 630 g
WORKING ENVIRONMENTAL CONDITIONS
Reference temperature	23°C - 5°C
Working temperature	0° - 40°C
Allowed relative humidity	< 70% HR
Storage temperature	-10 - 60°C
Storage humidity	< 70% HR
TEST VERIFIES REFERENCE STANDARDS
Continuity test with 200mA	IEC/EN61557-4
Insulation resistance	IEC/EN61557-2
Global earth resistance	IEC/EN61557-3
RCDs test	IEC/EN61557-6
Phase sequence indication	IEC/EN61557-7
GENERAL REFERENCE STANDARDS
Safety of measuring instruments	EN61010-1 + A2(1997)
Product type standard	IEC61557-1, 2, 3, 4, 6,7
Insulation	class 2 (double insulation)
Pollution degree	2
Overvoltage category	CAT III 550V AC Phase - Ground CAT III 550V AC Phase - Phase
Use	internal use; max altitude: 2000m
EMC	EN61326-1 (1998) + A1 (1999)

Multimeters Template
Style	Hand-Held
Measures AC V	Yes
Measures DC V	Yes
Measures AC A	Yes
Measures DC A	Yes
True RMS	Yes
Maximum Voltage AC	605 V
Resolution AC Volts	100 mV
Maximum Voltage DC	605 V
Resolution DC Volts	100 mV
Basic Accuracy V DC	(0.5%rdg + 2 dgt)
Counts	9999 .
Manual/Autoranging	Auto-ranging
Decibels	Yes
Resistance	Yes
Frequency	Yes
CAT Rating	III
Peak Hold	Yes
Overload Protector	Yes
Data Hold	Yes
Test Equipment General Attributes
Unique Features	Selectable test current; 30mA, 30x5mA, 100mA, 300mA
Safety Approval	CE
Product Length	100 MM (3.94 IN)
Product Width	240 MM (9.45 IN)
HTS/Schedule B Number	90318080
ECCN Number	8.0331E+12
Battery Type	AA
Power Supply Voltage	Battery Powered
Country of Origin	Italy

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HT Instruments M74 Multifunction Safety Tester and TRMS DMM

Items in This Series

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Test Equipment General Attributes

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