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MasterMind is a distributor for Jamar Distance Measuring Instruments (DMI). If your agency doesn't have a DMI, you really should look into purchasing one. A DMI is the best way to accurately track all of your traffic safety items. MasterMind Systems, Inc. has been using Jamar DMIs for many years, and we can confidently recommend their products to our customers.
To order now through our online store, Click Here
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The only DMI with a 5-year Instrument Warranty
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RAC Plus I, Plus II, & Plus III Features
- Shallow Case Design
Light weight, high-impact ABS plastic case
(7.8"W x 2.3"H x1.2"D) allows you to mount the DMI to the front of the dash board or virtually anywhere inside the vehicle.
- Dual LED Displays
Dual 6-digit LED Displays are easy to read at any angle both day &
night. The dual displays separate distance data from speed,
calibration number, vehicle number, time and menu selections.
- Four Brightness Levels
Select the level best suited for ambient light conditions.
- Menu Driven
Simplifies user selection for various operational capabilities.
- Automatic Calibration
Allows quick, simple calibration on all vehicles. Stores four separate
vehicle calibration numbers for multi-vehicle usage.
- Extremely Accurate
Distance measurements accurate to 1 foot per mile, even in slow
speeds.
- Change Distance
Pre-Distance if starting at a known point, count up/down
or add/subtract distance from current display.
- Count & Display Hold
Freeze the display while continuing to accumulate distance with Display Hold or stop accumulation of
distance with Count Hold.
- Interval Distance
Display distance intervals between points of interest
(i.e. Telephone Poles, Signs, Pavement, Markings, etc.)
- Distance Conversion
With a simple push of the Unit key, convert distance from Feet to
Miles to Kilometers.
- Distance Pulse Output
Send calibrated distance pulses to a lap top computer or
ancillary equipment. The interval and duration of the
output signal are user selectable from key board.
- Dependable
A power-on self test (POST) is performed each time the
DMI is turned on. As part of the POST, the calibration
number is displayed for your verification.
RAC Plus II - Additional Features
- Memory
The RAC Plus II will allow you to store up to 3500
events in memory. Ideal for inventory applications, the Events are
identified by using a four digit numeric code (0 thru 9999)
to identify signs, guide rail, pavement marking, intersections, railroad crossings or other
highway features. Events are stored in nonvolatile RAM (NVRAM). This NVRAM will hold your data for
approximately 50 years, or until you clear the memory.
- Data Output
Download the stored data to your PC or laptop. The downloaded data
contains the memory location (0-3500), event code (0-9999),distance,
interval distance, time and speed for each event.
- Real-Time Output
If you prefer to use a laptop computer in the
vehicle, the RAC Plus II will send distance data direct to the
computer on a real-time basis. This provides virtually
unlimited memory.
RAC Plus III - Additional Features
- GPS Equipped Recording
The RAC Plus III takes all the benefits of the RAC Plus I and RAC Plus II and adds the flexibility of GPS compatibility, creating an unparalleled combination of accuracy & convenience. This cost-effective unit saves time & money by allowing personnel to measure distance, accurate to 1 foot per mile, while recording GPS coordinates of roadway features – making it the most powerful DMI on the market.
- Record Accurate Distances along with GPS Coordinates
Exclusive only with the RAC Plus III/GPS, you are able to store up to 30 hours of continuous GPS data, at one second intervals, while recording roadway distance in the RAC Plus III's internal memory. Using this powerful inventory tool, you can record road features (intersections, bridges, signs, guide-rail, etc.) along with their distance and GPS coordinates.
- Unmatched GPS Recording Accuracy
The RAC Plus III uses a GPS receiver which incorporates the Wide Area Augmentation System (WAAS) for improving accuracy of GPS signals. WAAS uses a correction signal created by a collection of 25 land-based stations that are spread out across North America. This correction signal is then broadcast from specialized communication satellites.
With WAAS enabled, our 12 channel GPS receiver capability allows 2D GPS accuracy of approximately 2 meters. Without WAAS, depending on the location in the continental US and satellite accessibility, horizontal GPS accuracy is approximately 6 meters. This, along with the RAC Pus III's distance accuracy of +/- 1 foot per mile provides unequaled data collection capabilities.
- Several Data Retrieval & Processing Options
There are several methods that can be used to retrieve distance and GPS information from the RAC Plus III.
In its most basic configuration, you can simply stop at each point of interest and write down the distance, latitude and longitude from the instrument’s digital display.
A more efficient method is to have the RAC Plus III store the events of interest, along with their distance, latitude & longitude, as you key them in. When using this method, the GPS coordinates can be stored every second while roadway events, with their distance & latitude/longitude, are stored as you enter them. This data can then be easily downloaded to the WinRAC Plus processing software for analysis, reporting or exporting to external software like Excel or commercially available mapping programs.
Another option is to connect the RAC Plus III directly to a computer running WinRAC Plus in the field. Data can then be viewed in real-time on the computer as it is recorded. An advantage of this method is increasing the accuracy of recording GPS data while moving.
The proprietary interpolation routine of WinRAC Plus increases the accuracy of standard GPS receiver data. In plain language, if you manually record a feature while moving, and that event happens to occur between two of the one-second GPS transmissions, WinRAC Plus software will interpolate the feature’s precise location using information from both the GPS data and the RAC data.
Jamar offers a complete line including:
- Traffic Data Collectors
- Turning Movement Counters
- Trax Counter / Classifiers
- Software
- Road tubes and accessories
To order now through our online store, Click Here
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