HT Instruments M70

Handheld Insulation/Continuity Meter up to 1000VDC

1. Electrical Specifications

Accuracy is indicated as ± [% readings + (no. of digits*resolution)] at 23°C ±5°C, <60%RH

Continuity test on protective and equalizing conductors

Range Resolution Accuracy Overload protection
0.00 – 19.99Ω 0.01Ω ±(2.0%rdg + 3dgt) 605Vrms Max

Test current: >200mA DC for R≤5Ω (includes calibration of test leads)
>10mA DC per R>5Ω (includes calibration of test leads)
Open voltage: 4 < Vo < 24VDC

Insulation Resistance (DC voltage)

Test voltage Range Resolution Accuracy Overload protection
250V 0.001 – 0.100MΩ 0.001MΩ ±10dgt 605Vrms Max
0.101 – 3.999MΩ 0.001MΩ ±(2.0%rdg + 5dgt)
4.00 – 39.99MΩ 0.01MΩ ±(5.0%rdg + 5dgt)
40.0 – 399.9MΩ 0.1MΩ ±(5.0%rdg + 5dgt)
400 – 1000MΩ 1MΩ ±15dgt
500V 0.001 – 0.250MΩ 0.001MΩ ±15dgt
0.251 – 3.999MΩ 0.001MΩ ±(2.0%rdg + 5dgt)
4.00 – 39.99MΩ 0.01MΩ ±(2.0%rdg + 5dgt)
40.0 – 399.9MΩ 0.1MΩ ±(5.0%rdg + 5dgt)
400 – 2000MΩ 1MΩ ±(5.0%rdg + 5dgt)
1000V 0.001 – 0.250MΩ 0.001MΩ ±15dgt
0.251 – 3.999MΩ 0.001MΩ ±(2.0%rdg + 5dgt)
4.00 – 39.99MΩ 0.01MΩ ±(2.0%rdg + 5dgt) 605Vrms Max
40.0 – 399.9MΩ 0.1MΩ ±(3.0%rdg + 5dgt)
400 – 1000MΩ 1MΩ ±(5.0%rdg + 10dgt)
1000 – 4000MΩ 1MΩ ±(5.0%rdg + 10dgt)

Open voltage: <1.3 x Vo
Accuracy nominal test voltage: -0%, +10%
Short circuit current: <3.0mA
Nominal test current: 1mA @ 1KΩ x V (1mA @ 500KΩ)

DC Voltage

Range Resolution Accuracy Input impedance Overload protection
0.1 – 600.0V 0.1V ±(0.5%rdg + 1dgt) 3MΩ 605Vrms Max

AC Voltage

Range Resolution Accuracy Input impedance Overload protection
0.1 – 600.0V 0.1V ±(0.8%rdg + 4dgt) 3MΩ 605Vrms Max

Max crest factor: √2

Resistance and Continuity test

Range Resolution Accuracy Overload protection
0.00 – 19.99Ω 0.01Ω ±(2.0%rdg + 3dgt) 605Vrms max for 1min

Buzzer sound for resistance <2Ω

2. General Specifications

Display

Features: double LCD Custom 4 digit with rdg max 9999 points, sign and decimal point

Sample rate: 2times/s

Conversion: Average value

Power Supply

Batteries: 4 x 1.5V type LR6-AA-AM3-MN 1500 alkaline batteries

Low battery indication: ? symbol at display

Life batteries:

Mechanical Features

Dimensions (L x W x H): 240 x 100 x 45mm

Weight (included batteries): 450g

Working Environmental Conditions

Reference temperature: 23°C ± 5°C

Working temperature: 0°C ÷ 50°C

Allowed relative humidity: <70%RH

Storage temperature: -10°C ÷ 60°C

Storage humidity: <70%RH

Reference Standards

General Reference Standards

Max height of use: 2000m

Conformity

This product conforms to the prescriptions of the European directive on low voltage 2014/35/EU and to EMC directive 2014/30/EU.

This product conforms to the prescriptions of the European directive 2011/65/EU (RoHS) and the European directive 2012/19/EU (WEEE).

EURO-INDEX Services

EURO-INDEX is a manufacturer, importer, and distributor of various A-brands in the field of test and measurement instruments. Additionally, they provide a range of services to optimize the use of these instruments in your business operations. This includes maintenance, repair, and calibration of instruments, as well as knowledge sharing via EURO-INDEX Academy and instrument rental.

Authorized Service Center

EURO-INDEX B.V. is an Authorized Service Center for all represented brands. This means your instruments are handled by technicians trained by the manufacturer, equipped with the correct tools and software. Only original parts are used, and your instrument's warranty and certifications (ATEX, EN50379, etc.) remain intact.

Calibration Laboratory

The laboratory in the Netherlands has RvA accreditation according to EN-ISO/IEC 17025. This accreditation applies to quantities as specified in the scope under accreditation number K105. RvA calibration certificates are internationally accepted and equivalent to BELAC.

Mobile Service

In addition to the fixed calibration laboratories in Zaventem and Capelle aan den IJssel, EURO-INDEX also operates a mobile laboratory named "Mobile Service". This offers trusted service and quality at your doorstep!

KWS® Service System

KWS® is a unique service system for your measuring instruments, offering periodic maintenance and calibration at fixed, low costs. Through a free web portal (mijnkws.be), you have access to your calibration certificates anytime, anywhere.

Instrument Rental

EURO-INDEX Academy

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