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A L P

H A

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B E T A

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G A M M A

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X R A Y

RADIATION DETECTOR

Pocketsize Pancake Geiger CounterHandcrafted and Custom Made by Atomic.dave

DetectorLND 7317 Pancake Geiger-Muller tube, Halogen-quenched with mica window

and 45mm (1.75 inch) effective diameter

Radiation Types Detected Alpha, beta, gamma, x-ray

Energy Sensitivity Alpha particles down to 2.0 MeV

Beta particles down to 0.16 MeV; can detect beta from 14CGamma and X rays down to 10 keV

Gamma sensitivity: 3,300 CPM/mR/hr for 137CsMeasurement Range

Exposure rate: Accurate up to 120 mR/h (120,000 µR/h) and 1,200 µSv/hCount rate: Absolute maximum 1,128,380 cpm or 21,473 cps

• A True Pocketsize Pancake Geiger Counter withlanyard. Actually ts in a normal pocket!

• Uses a new LND 7317 Geiger-Mueller Pancaketube, not a cheap or unreliable knockoff or surplus tube. (Limited warranty included)

• The only Geiger Counter to ship in a Pelicanatmospheric case for pancake mica protection

• And for further protection, the tube is raisedfrom the screen to account for bowing causedby air pressure

• Sensitive to alpha, beta, gamma, and x-radiation

• Runs on two standard AA batteries for up to1000 hours of use

• Large graphical LCD display for ease in readingradiation levels and units

• Icons show battery level, connection status, andalarm condition

• Constantly updated Graph depicts change in values for the previous 160 measurements

• Automatically switches ranges to accommodatedifferent radiation levels

• Automatically changes response time based onincoming count rate

• Switchable backlight for use in low-light conditions

• LED ashes with each count• Clicks with each count can be turned on or off

• Standard 3.5mm stereo audio jack for discreetheadset scanning, audio amplication &recording or data logging using audio basedsoftware such as Geiger Graph or RadOSX

• Defaults to either American or Metric units, butuser can easily switch between

• Toggle between count rate and exposure/doserate with a single tap of a button

• Large area detector for accurate measurementsof surface contamination

• Simple controls: Off/On+Silent/On+Audioswitch and two weather-resistant membranebuttons to control backlight and toggle unit of

measurement• Audio headphone jack is Geiger Bot compatible

with minimal settings adjustment

• Mini USB port for datalogging and to provideexternal power. Batteries are bypassed andconserved when plugged into a computer or any 5V source

• USB is also used to set default units, changealarm level, control backlight, and enter calibration values with free simple pc or macsoftware

• Handcrafted in the USA. Each unit is individually created by hand and not on an assembly line andlike the other kits that I build and nish, thereis always the chance of imperfections to occur during the process although minimal

Features & Specications

BACKLIGHTON / OFF

POWERON w/ Click

ON w/out ClickOFF

MEASUREMENTUNIT TOGGLECPM or uR/Hr&CPS or uSv/Hr

HOLDING DOWNBOTH AT STARTUPTOGGLES UNITSBETWEEN METRIC

& AMERICAN

TO MUTE ALARMPUSH EITHER

BUTTONALARM SYMBOL

CONTINUESTO BLINK

POWER LIFE& TYPE

INDICATORUSB or BATTERY

BACKLIGHT ON ALARM SYMBOL CURRENT UNIT OFMEASUREMENTCPM or uR/HrCPS or uSv/Hr

Titan Operation Guide

160 EVENT HISTORY GRAPHIC

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or 0 to default to Metric units” plus either “Currently powers on to American Units (cpm,uR/h, mR/h)” or “Currently powers on toMetric Units (cps, uSv/h, mSv/h)” And thenwaits for a value. Once it is received, sendseither: “Now set to power on to AmericanUnits (cpm, uR/h, mR/h)” or “Now set to power on to Metric Units (cps, uSv/h, mSv/h)” andstores it in EEPROM. Default is American units.

Send “u” to get the current power-up unitsReturns either “Powers on to American Units(cpm, uR/h, mR/h)” or “Powers on to MetricUnits (cps, uSv/h, mSv/h)”

Send “V” to make the USB data output be verbose (as opposed to terse)Returns: “Verbose data will be streamed” andstores it in EEPROM. If this is set, every threeseconds both the count rate (in cpm) and theexposure rate (in uR/h) will be sent along withthe units. These values are separated with a tabcharacter. Verbose is the default setting.

Send “T” to make the USB data output terse(as opposed to verbose)Returns: “Terse data will be streamed” Andstores it in EEPROM. If this is set, every three

SERIAL CONNECTION SETTINGS:Baudrate: 9600Data Bits: 8Parity: NoneStop Bits: 1Drivers: FTDI VCP

When the Titan is plugged into a computer using the USB connection, data will bestreamed every three seconds. By default

verbose data will be sent, where the count rate(in cpm) and the exposure rate (in uR/h) will besent along with the units. These values will beseparated by a tab character, and followed by a carriage return and line feed.

Using a terminal program, the following are commands that can be sent to the Titan.

Send “D” to set Dead TimeReturns: “Enter value, 1-65,534, for reciprocalof the dead time” “(Currently xxx)”

And then waits for a value. Once it is received,sends: “Reciprocal Dead Time set to xxx” Andstores it in EEPROM. Default is 2500, which is400 microseconds. (1/2500 = 0.0004 seconds)

Send “d” to get the current Dead TimeReturns: “Reciprocal Dead Time is currently xxxx”

Send “S” to set the gamma sensitivity Returns: “Enter value, 1-65,534, for GammaSensitivity in cpm per mR/h” “(Currently xxxx)” And then waits for a value. Once itis received, sends: “Gamma Sensitivity set toxxxx cpm per mR/h” And stores it in EEPROM.Default is 3300 cpm per mR/h

Send “s” to get the current Gamma Sensitivity Returns: “Gamma Sensitivity is currently xxxxcpm per mR/h” Send “A” to set the Alarm ValueReturns: “Enter value, 0-65,534, for AlarmSetpoint in cpm” “(0 disables)” “(Currently xxxx)”and then waits for a value. Once it isreceived, sends: “Alarm Setpoint now to xxxxcpm” and stores it in EEPROM. Default is

10000 cpm

Send “q” to lower volume of Alarm, and “l” to volume louder.

Send “a” to get current alarm setpointReturns: “Alarm Setpoint is currently xxxx cpm”

Send “U” to set the default start-up units to American or MetricReturns: “Enter 1 to default to American units

Titan Serial Interface Codes and Commands

Geiger Bot General Settings

seconds only the count rate will be sent (as anumber) with no units or anything. Verbose isthe default setting.

Send “c” to get all cal data in one shotReturns: “Reciprocal dead time is currently xxxx” “Gamma Sensitivity is currently xxxx”

“Alarm Setpoint is currently xxxx” Send “B” to turn the backlight on

Send “b” to turn the backlight off

Send “g” to get the Graph dataReturns and index followed by a tab and the

value used in the graph. E.g.,0 531 59

2 54and so on for 160 values (0-159).

Send “Z” to zero Graph data

Titan Audio CableUse the audio cable to hook up Titan to your computers audio mic input. Titan’s audiomakes a click (positive pulse, 6.6V, ~1ms).Currently these programs work with Titan:Geiger Graph, RADosx and RADpc, GeigerBot.

Settings Auto Off, these settings.Select LND7317 tube. Custom GM TubeGeiger Counter Positive Polarity, these settings.I/O Settings

Follow these basic settings, however

you may need to do some minor

adjusting to make it work although

I cannot guarantee the data you will

gather from Geiger Bot. Serial Data

logging is much more accurate. The

main thing is to select the 7317 tube,

turn off Auto Adjust, RMS Window 1,

Delay Windows 30, Volume Threshold

30000, Ultrafast Rates ON, SampleRate 44100, and select Positive Only

for Input Polarity.