Specmo Enterprises

Calibration

At Specmo, we do complete speedometer and instrumentation repair on most makes of foreign and domestic vehicles including certified speedometer "Speed Check" accuracy tests.

All factory specifications will be met, and your odometer will be accurately set when calibrating your instrumentation.
State-of the-art diagnostic equipment insures electronics are remanufactured properly and to factory specifications.

For info on Speed Checks, click above
.If you questions on any of our calibration services, please call our National Toll Free Hotline at (800) 545-7910.
Or, email our Sales department.

		A variety of factors will affect your vehicle's speedometer accuracy. We solve this problem with our RB2120 Or our New Speed Changer Electronic Ratio Adapters.







		Needed for Installation and Switch Settings download files.

THE ELECTRONIC RATIO ADAPTER SPECIALLY DESIGNED TO CALIBRATE ELECTRONIC SPEEDOMETERS
This all new state of the art device does for electronic speedometers what the old Stewart Warner 666 & 777 ratio boxes do for cable-driven speedometers. It is a frequency to frequency converter and amplifier that can be used in vehicles with a PM generator or inductive speed pick up.		The RB2120 can be installed between the buffer amplifier (ECM) output and the speedometer to correct just the speedo, or it can be installed between the buffer (ECM) and the speed sensor to correct the entire system. This innovative unit is adjustable to accommodate a variety of ratios, ranging from up to 2:1 and down to 0.0196:1 with only a few minor adjustments.

Specifications & Features: Input from 400 mV to 20V (sine or square wave), 15Hz to 6KHz Output is a 5V square wave. Load is 1K Built in short circuit protection Unit connects to 12 V ignition, ground, signal input & signal output Easy to use dip-switch adjustments Utilizes twin led's to assist in testing for proper function Compact and easy to install Complete with instructions, wiring diagrams and ratio chart

	RB 2120 Pricing (Effective 8/2/99)
	Suggested Retail: $149.99 ea.
	Dealer inquiries are welcome. Please call or email our Sales Department. - 1.800.545.7911

FAQ

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