, $1,095.00 (https://www.geigercounters.com/Detector/))
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Product Description
This item is SOLD OUT.
The Detector, comprised of the Model 4007A Traditional Geiger Counter configured with the Model 360 External Pancake Probe, is designed for general contamination detection and frisking, and at an ultra sensitive level.
The base unit of the Model 4007A itself is a portable, hand-held survey meter providing three operating ranges reading on a dual scale up to 50 mR/hr or 30,000 CPM (optional readout available in uSv/hr and CPS). See the close-up picture below, also noting the battery check feature at the right end of the gauge.
The survey meter incorporates a sealed, splash proof speaker which produces the audible clicks. The speaker is powered by a separate 9-volt battery and can be turned off in case the meter is inadvertently left on, preserving the other "D" batteries to continue operating the meter itself.The instrument includes a 3 foot straight cable with BNC/BNC fittings for connecting the survey meter to the probe. Although of a traditional design, the Model 4007A Survey Meter is a fully modern unit, with completely redesigned and up to date transistorized electronics, and with calibration at the factory in accordance with industry standards.
The Model 360 Pancake Probe, shown cradled in the meter’s handle above, and rotated upside down to display the pancake detector, is designed for general purpose contamination monitoring. The long angled handle facilitates frisking surfaces in difficult locations without contaminating hands or gloves.
The broad pancake detector, combined with its close proximity to the front surface of the probe, gives excellent efficiency for Alpha and weak Betas, and provides sensitivity to low energy Gamma and X-radiation. In specific, the large area thin mica window, with a thickness of only 1.8 to 2.0 mg/cm², allows detection of Alpha radiation as low as 3.0MeV when in close proximity to the window, Beta radiation in excess of 35keV, and X-ray or Gamma radiation greater than 6keV.
This product typically ships within about 2 business days. Specify between standard readout in mR/hr and CPM (default), or alternate readout in uSv/hr and CPS.
Specifications of Model 4007A Survey Meter for Detector:
Operating Ranges
0 to .5 mR/hr; 0 to 5 mR/hr; 0 to 50 mR/hr; 0 to 300 CPM; 0 to 3000 CPM; 0 to 30000 CPM
Optional Readout uSv/hr and CPS Accuracy
± 20%
Linearity
± 20%
Warm Up Time
None
Response Time
5 second time constant
Temperature Range
- 10 to + 50° C (14° to 122° F)
Relative Humidity Rng
20% to 95%
Visual Readout
Easy-to-read 2.62" round meter
Audio Readout
Speaker; clicking type headset is optional
Detector Voltage
920 volts
Controls
4 position selector switch (off; x1; x10; x100); Battery check and Speaker on/off switch
Power
One 9 volt cell for speaker (NEDA 1604-A or equal)
Batteries
2 standard “D” cells (1.5 volt)
Connectors
Microphone connection for optional headset; BNC for probe connection
Calibration Pre-calibrated at the factory Case
Rugged fiberglass body and cover
Dimensions
4"W x 9"L x 5" H.
Weight
4.5 lbs. including detector
Warranty
1 year on meter (see probe for separate warranty)
Specifications of Model 360 Pancake Probe:
Background
~25CPM
Radiation Detected Alpha, Beta, Gamma, X-ray Sensitivity Detects alpha as low as 3.0 MeV
Detects beta > 35 keV
Detects gamma > 6 keV thru windowTemperature Range
- 20° to + 55° C (- 4° to + 131° F)
Maximum Altitude
7,500 ft
Window
Mica 1.8-2.0 mg/cm²
Window Diameter
44.5mm (1.75")
Detector Overall Length 11 1/4"(28.6cm) Detector Handle Angle ~25 degrees Detector Handle Length
8 1/2”
Detector Head Diameter
2 3/8" (6.0cm) 1(2.5cm)
Detector Head Thickness
1" (2.5cm)
Dist. between Window & Probe Surface
0.125” (3.2mm)
Weight of Detector
14 oz. (400g)
Material of Detector Housing
Aluminum
Warranty 1 yr on probe, 90 days on GM tube -
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