RM Frobisher (1986) Ltd

The TAR-3 Resistance Meter is Affordable and Available Now!

In stock and shipped directly to you from stock in four working days

RM Frobisher - TAR-3 Control Unit (Resistivity Meter)
The TAR-3 Resistance Meter. Powerful, lightweight and compact.

The TAR-3 Resistance Meter is one of the new generation of geophysical prospecting equipment from RM Frobisher.

The TAR-3 is our flag ship product and has been supplied to professional archaeologists, groups and individuals.
TAR-3 kits are held in stock and are supplied in days (not weeks).
Buy a TAR-3 Kit Here

Key Features

* Ultra wide measurement range
* Long life Li-Ion batteries
* Large diameter, lightweight aluminium alloy frame for a comfortable grip
* Results stored on standard and removable SD/MMC Memory cards
* Can store over 5 million readings - over 50,000, 20m by 20m grids
* High power - up to 8mA output current (0.5mA minimum)
* Waterproof case
* Lightweight, the control unit weighs less than 500g
* Ultra high impedance inputs (100,000 Mega Ohm)
* Effective Eighteen bit ADC range plus sign bit (18.5 bit)
* 56V peak to peak output voltage
* Gold plated connectors
* High performance digital signal processing
* Ergonomic design
* Use any USB2 or USB3 socket to charge
* Edit or retake single readings in real time and on the fly
* The TAR-3 is only 35mm high - it can fit in your pocket!

  The TAR-3 Kit (Resistivity Meter) The TAR-3 Kit (Resistivity Meter) 
A complete package for £2471, $3400or 2780euro 1
Buy a TAR-3 Kit Here
* The TAR-3 Resistance Meter
* Lightweight Aluminium Frame (only 2kg)
* Five Stainless Steel probes (for twin probe or Wenner array)
* 50m of Cable
* 25m Extension Cable (75m total)
* Interconnecting leads with 4mm gold plated jack plugs
* USB Charger
* Two 8GB SD Memory Cards
* USB Card reader and adaptor
* Supplied in a waterproof, foam filled case
* Two year Warranty
* Phone and email support included

If you already have a frame and probes contact us. We can supply a TAR-3, mounting adaptor and interface cables to match your existing equipment. We can also supply frames and probes for your existing equipment. Please contact us for details.
RM Frobisher - Back of the TAR-3 Control Unit (Resistivity Meter)
The rear of the TAR-3 Resistance Meter showing the gold plated 4mm sockets and a micro SD memory card.
Buy a TAR-3 Kit Here
A complete package for £2471, $3400 or 2780euro 1


TAR-3 Resistance Meter 0.75kg
Frame and Probes 2.1kg
TAR-3 Case with tools and accessories (excluding meter) 4.0kg