RC6
General Purpose X-Ray Measurements
The RC6 is an unsealed cylindrical 6 cm³, general-purpose ion chamber, designed for general purpose x-ray measurements. It has excellent energy response throughout the diagnostic energy range and with an appropriate build-up cap (optional), the energy range can be extended to ⁶⁰Co.

Exposure Rate Dependence:		<5% to 150 mGy/s, up to 4 Gy/s for 10 ms pulses
Energy Dependence:		±5%, 30 keV to 1.33 MeV (with build-up material)
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<5e-15 A with +300 VDC bias
Construction:		Guarded (3-terminal) concentric cylinder with polycarbonate walls and conducting graphite interior coating. Nominal 6 cm3 active volume; 0.05 kg

 

 

 

 

 

 

 

 

RC6M
Low Energy X-Ray Measurements
The RC6M is an unsealed parallel plate 6 cm³ ion chamber specifically designed for low-energy x-ray measurements. It has a thin entrance window and is suitable for x-ray energies in the range of 10 to 40 keV.

Exposure Rate Dependence:		<5% to 90 mGy/s
Energy Dependence:		±5%, 10 keV to 40 keV
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<5e-15 A with +300 VDC bias
Construction:		Guarded (3-terminal) parallel plate, with 0.7mg/cm2 metalized polyester window; polyacetal exterior; nominal 6 cm3 active volume; 0.08 kg

                  

 

 

 

 

 

RC60
X-Ray Beam Measurements
The RC60 is an unsealed thin cross-section, parallel plate 60 cm³ ion chamber suitable for x-ray beam measurements with low to intermediate dose rates. It has excellent energy response throughout the diagnostic energy range and with the application of appropriate build-up materials, the energy range can be extended to ⁶⁰Co.

Exposure Rate Dependence:		<5% to 30 mGy/s
Energy Dependence:		±5%, 30 keV to 1.33 MeV (with build-up material)
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<5e-15 A with +300 VDC bias
Construction:		Guarded (3-terminal) parallel plate, with polycarbonate walls; conductive graphite interior and exterior coating; nominal 60 cm3 active volume, 0.5 m low-noise triax cable; 0.13 kg.
Note: The chamber assembly shown in the image depicts the chamber with the Radcal Model 8230M chamber support, optional, ordered separately.

 

 

 

 

RC3CT
CT X-Ray Beam Measurements
The RC3CT is an unsealed cylindrical, 10 cm pencil ion chamber with a 3 cm³ volume. It is designed specifically for CT x-ray beam measurements, either free-in-air or mounted in a head or body phantom. It has excellent energy and partial volume response along its entire 10 cm length.

Exposure Rate Dependence:		<5% to 350 mGy/s
Energy Dependence:		±5%, 3-20 mm Al hvl
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<5e-15 A with +300 VDC bias
Construction:		Guarded (3-terminal) 10 cm long cylindrical, with C552 air-equivalent walls and electrode; polyacetal exterior cap; nominal 3 cm3 active volume; 0.5 m, low-noise triax cable; 0.11 kg

 

 

 

 

RC180
Low Dose Rate X-Ray Beam or Scatter Measurements
The RC180 is an unsealed parallel plate 180 cm³ ion chamber suitable for low dose rate x-ray beam or scatter measurements. It has an effective cross section of 100 cm³ and has excellent energy response throughout the diagnostic energy range. With the application of appropriate build-up materials, the energy range can be extended to ⁶⁰Co.

Exposure Rate Dependence:		<5% to 5 mGy/s
Energy Dependence:		±5%, 33 keV to 1.33 MeV (with build-up material)
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<5e-15 A with +300 VDC bias
Construction:		Guarded (3-terminal) parallel plate, with polycarbonate walls and electrode; conducting graphite interior and exterior coating; nominal 180 cm3 active volume; 0.11 kg

 

 

 

 

RC1800
Low Dose Rate Radiation Applications
The RC1800 is an unsealed cylindrical 1800 cm³ ionization chamber intended for low dose rate radiation applications such as shielding leakage, low-level irradiator output and environmental measurements.

Exposure Rate Dependence:		<5% to 50 uGy/s, <10% to 160 uGy/s (bias +300 VDC)
Energy Dependence:		±5%, 33 keV to 1.33 MeV
Bias:		Nominal +300 VDC (max +600 VDC)
Electrical Leakage:		<1e-14 A with +300 VDC bias
Construction:		Guarded (3-terminal) parallel plate, polycarbonate walls and electrode; conducting graphite interior and exterior coating; 1800 cm3 active volume; 0.54 kg