Fail Safe Ohm Meters AMPTEC RESEARCH has the flexibility and engineering experience to help you define, design and produce your specific measurement as a completely integrated turnkey solution.

All the AMPTEC Testers are Munition safety Board approved models. AMPTEC has designed and developed a wide range of instruments which are extensively used in the Defence organizations.

The various products include Igniter Tester, Water Resistant Tester, Explosive Safety Igniter Tester, Water Resistant Fail-Safe Ohm Meter, Failsafe Ohmmeter/Tester, Ruggedized Igniter Tester, Micro Ohmmeter, Fire & Test Set.

Amptec Research designs and manufactures intrinsically-safe, explosion-proof testers for EEDs, squibs, igniters, etc. These testers are in use at major aerospace and defence labs through the country.

Below are the different testers and meters manufactured by Amptec Research

Amptec 620A-4 Igniter Tester

The AMPTEC 620A-4 Fail-Safe Ohmmeter (and the AMPTEC 620A4R Water Resistant version) is a portable, battery powered 4 ½ digit DC Ohmmeter that safely measures electrical resistance for use on a variety of potentially hazardous devices. It has been specifically designed to test squibs, igniters, flares, airbags, explosive bolts, etc.

Amptec 620LM Explosive Safety EED / Igniter Tester

The AMPTEC 620LM Explosive Safety EED / Igniter Tester is for full automated systems use. The product does not have any front panel user push buttons or power switches or measurement terminals. All measurement activity is via the rear panel connections and includes the optically isolated RS232C remote control interface and a dedicated connector fitted OP247 isolated continuous operating power. The ranges on the 620LM are the following: a 2.0 Ohm, 20 Ohm, 2.0 KOhm, 20 Meg Ohm (for open circuit isolation determinations) and diode test function. Diode test is used to safely determine the status of a squib in series with a diode.

Amptec 620VL Explosive Safety Igniter Tester

The AMPTEC 620VL Explosive Safety Igniter Tester is a portable digital milli-ohmmeter specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, explosive bridge wire and detonators) that also have a diode in series with the explosive element. With 4 ½ digit resolution, and multiple ranges up to 2.0 Megohms, the AMPTEC 620VL provides ordnance…

Amptec 620VN Explosive Safety Igniter Tester

Download Data Sheet The AMPTEC 620VN Explosive Safety Igniter Tester (in the 620A series of is a portable fail-safe milli-ohmmeters) is specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, explosive bridge wire and detonators). It offers one of the best continuous decade resistance ranges of 20 Ω, 200 Ω, 2.0 KΩ, 20 KΩ, 200 KΩ, and 2.0 MΩ…

Amptec 620GB Portable Digital Milli-Ohmmeter

The AMPTEC 620GB Portable Digital Milli-Ohmmeter is specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, explosive bridge wire and detonators) that also have a diode in series with the explosive element. With 4 ½ digit resolution, and multiple ranges up to 20 Megohms, the AMPTEC 620GB provides ordnance safe resistance measurements for the…

Amptec 601ES DMM

The AMPTEC 601ES Digital Multi-Meter is NASA and USAF range safety approved. Safely measures AC/DC Voltage – 600 V RMS to 0.1 mV RMS, AC/DC Current to 2.0 amperes, DC resistance 2.0 Ohms (0.1 milliohm resolution), 20 Ohms, 200 Ohms, 2.0 KOhms & 20 KOhms, Built-in self test signal sources and built-in analog milliammeter to verify DMMs stray voltage and current measurement integrity and more.

Amptec 620A-4R Ruggedized Intrinsically-Safe EED Tester

The 620A-4R Water Resistant Safety Ohmmeter (Igniter Tester) is electrically identical to the US Air Force safety board approved AMPTEC 620A-4 Igniter Tester circuitry. It has had its circuitry reviewed and approved by U.S.A.F. NonNuclear Munition Safety Board for use on all NonNuclear Munitions.

Amptec 620BH Fail-Safe Ohmmeter

The AMPTEC 620BH Low Resistance Fail Safe is a portable digital fail-safe ohmmeter which has been specifically designed to remain inert in the event of an internal failure for ultra-safe resistance testing on current sensitive devices (i.e. squibs, igniters, flares, airbags, explosive bolts). The 620BH is primarily for indoor lab use. The AMPTEC 630ES and AMPTEC 640SL are ruggedized,…

Amptec 620EH Low Resistance EED Tester

The AMPTEC 620EH Low Resistance Explosive Safety Igniter Tester is a portable digital ohmmeter which has been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, detonators, warheads). The 620EH is primarily for indoor lab use.

Amptec 620ES Intrinsically-Safe EED Tester

The AMPTEC 620ES Low Resistance Explosive Safety Igniter Tester is a portable digital fail-safe ohmmeter Igniter Tester which has been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, detonators, warheads, etc.).

Amptec 620ESR Ruggedized EED Tester

The AMPTEC 620ESR Low Resistance Explosive Safety EED/Igniter Tester (and AMPTEC 620ES laboratory version) is a portable digital fail-safe ohmmeter EED/Igniter Tester which has been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, detonators, warheads, etc.). Download Data Sheet The AMPTEC 620ESR Intrinsically-Safe Ruggedized…

Amptec 620RK Programmable EED Tester

The AMPTEC 620RK is a failsafe ohmmeter specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, detonators). The 620RK can be continuously operated 24 Hrs a day. Ranges: 20.0 ohm, 200.0 ohm, 200.0 Kohm. Download Data Sheet Ultra-Safe Automated Resistance Measurements The AMPTEC 620 series Intrinsically-Safe EED Testers have now introduced the…

Amptec 620UK Intrinsically Safe Ohmmeter and EED Tester

The Amptec 620UK Low Resistance Explosive Safety Ohmmeter/Igniter Tester is a portable Intrinsically Safe Explosive Safety Digital Ohmmeter. It was specifically designed (and US NAVY and UK Ministry of Defense EEX Approved) for the safe use in Explosive and Volatile Environments to replace the Fairey Mk7 ohmmeter for ultra-safe resistance testing. EX II 2G and EEx-ib-IIc-T4 Download…

Amptec 630BN Intrinsically-Safe EED Tester

The AMPTEC 630BN Igniter Tester is approved for use on US NAVY TOMAHAWK Cruise Missile and STANDARD Missile squibs by the NAVAL ORDNANCE CENTER. Download Data Sheet Detailed 630BN AMPTEC 630BN Multipurpose EED Tester / Ruggedized Intrinsically-Safe Meter Designed for military ordnance programs as a ruggedized EED/Igniter Tester, the AMPTEC 630BN features: a completely water-resistant main…

Amptec 630ES Intrinsically-Safe EED Tester

The 630ES Intrinsically-Safe EED Tester is a ruggedized, water-resistant, portable digital fail-safe ohmmeter which have been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, igniters, flares, detonators).

Amptec 640N Intrinsically-Safe, Ruggedized EED Tester

The AMPTEC 640N Intrinsically-Safe EED Tester is ruggedized, water-resistant, portable and was specifically designed for ultra-safe resistance testing on explosive devices (i.e. Tomahawk Cruise Missile Evolved Sea Sparrow Missile rocket motor squibs, igniters, flares, detonators). Download Data Sheet The AMPTEC 640N Failsafe Ohmmeter Floats in Water! The 640N case is water proof when closed to a…

Amptec 640SL Ruggedized Intrinsically-Safe EED TesterTester

The AMPTEC 640SL measures electrical resistance using a 2.0 Ohm, 20.0 Ohm, 2.0 KOhm, 200 KOhm, 2.0 MOhm, and a 20.0 MOhm full scale ranges and more…

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