Features :
RADAX SDM 5000D is a Digital Handheld Radiation Survey meter to detect Gamma and X-
ray radiation. It also works as a Dosimeter by accumulating dose received by it or the
operator carrying it.
RADAX SDM 5000D uses a Geiger-Mueller (GM) detector tube to detect radiation. The GM
tube contains ionization gas which generates pulse of electrical current when radiations
pass through the gas and causes ionization. These electrical pulses are counted
electronically. The Dose received is in milli-roentgens. The Dosimeter continuous to
accumulate Radiation dose till it is switched off. The last reading remains in memory even
when the power is switched off. On switching on once again, the Dosimeter starts counting
from the last reading. If required, the dose can be cleared off from memory with help of
function switch.
There are only two set of switches- one is Power On-off & Enter and the other is Setting
Switch (S). The display consists of two lines, First line for Survey meter mode and shows
radiation in mR/Hr. The second like displays the accumulated dose in mR.
Technical Features :
Detector : G M Counter
Radiations detected : Gamma rays & X-rays
Energy response : 100 Kev to 1.3 Mev
Range : 5000 mR
Accuracy with Cs137 : ± 15 %
Response time : 15 Sec to 20 Sec.
Operating Conditions : 0- 50®C 90% Humidity
Display : Digital - LCD - 2 lines.
Battery : 2 nos. AA size - Alkaline.
Controls : Touch Switch for Power On-Off/Function
Construction : ABS Plastic
Operation :
There are two touch switches on the Survey meter. Power & Enter switch and Setting switch (S). Press Power switch and
keep pressed till display is on.
Bring the Dose-meter near Radioactive source with the Detector sign pointing towards the Radiation source. RADAX SDM
5000D will show intensity of Radiation in mR/Hr on the first line. It will show the total dose received in milli-Rontgen (mR in
the second line.). While detecting the radiation, the audio buzzer gives out chirping sound. At low level radiation, the
frequency of chips is low - which increases and finally turns in to a whistling sound as the radiation level increase.
The buzzer can be switched off if required. Press the Function switch, Select option Buzzer On and press Power/ Enter
switch to save the setting. To switch off Buzzer, select Buzzer Off option. To set the SDM500D in dual mode, Press Setting
switch - go to SM+DOSE. Press enter to save.
To clear the Dose, go to Dose mode. Press enter. Then press setting (S) to clear dose in memory.
To switch off the SDM 5000D, press power switch and keep pressed till Power Off sign appears.
RADAX SDM 5000D operates on two AA type of batteries. It is better to put long lasting alkaline batteries which will
operate for nearly 200 hours of continuous operation. Remove the batteries when survey meter not used for a long period.
RADAX
DIGITAL RADIATION SURVEY-METER
OPERATION MANUAL
MODEL : RADAX SDM 5000D
300 Hwy 146 N, La Porte, Tx 77571
Ph # (281) 470-2010, Fax # (281) 470-2024, Cell # (954) 895-1603
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