Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
Thermo Scientific™ Model RO-20 is a portable air ionization chamber instrument used to detect beta, gamma and X-radiation. Features five linear ranges of operation to measure exposure from background to 50 R/h full scale.
Certifications/Compliance | Successfully tested to ANSI™ N42.17A. CE Certified to European standard EN50082-1 (EN61000-4-2 and EN61000-4-3) |
Description | RO20 |
Dimensions (L x W x H) | 7.9 x 4.2 x 7.7 in. (201 x 1047 x 196 mm) |
Energy Range | Photon Response: ± 30% from 8 keV to 1.3 MeV with the open slide facing the source; ± 15% from 33 keV to 1.3 MeV with the closed slide facing the source; ± 15% from 55 keV to 1.3 MeV through the side of the instrument; Beta Response: Uranium Slab: 30% of true |
Battery Type | 5“C” cells |
Product Type | Survey Meter |
Measurement Range | Linear Ranges: 0 to 5, 0 to 50; 0 to 500 mR/h; (0 to 5; 0 to 50R/h) |
Operating Temperature (Metric) | −40°C to 60°C |
Height (English) | 7.7 in. |
Length (English) | 7.9 in. |
Operating Temperature (English) | -104°F to 140°F |
Response Time | 90% of final reading within 5 seconds |
Detector Type | Beta, Gamma, X-Ray |
Linearity | Within 5% of Full Scale |
Width (Metric) | 10.47 cm |
Weight (Metric) | 1.63 kg |
Humidity | 0% to 95% |
Internal Controls | five calibration controls, one for each range |
Voltage | 30 V |
Battery Dependence | Reading is independent of battery voltage when the battery check indication is in the green arc |
Chamber Bias | Ten 3V lithium coin cells, 30 V |
Radiation Type | Beta, Gamma, X-Ray |
External Control | range switch, including Off, Zero, and Battery checking positions. Zero knob used to set meter to zero when Zero position of range switch is selected or when in no significant radiation field. Light switch, for meter light |
Width (English) | 4.2 in. |
Battery Life | 150 to 6900 hr. |
Weight (English) | 3.6 lb. |
Length (Metric) | 201 mm |
Height (Metric) | 19.6 cm |
Unit Size | Each |
Certifications/Compliance | Successfully tested to ANSI™ N42.17A. CE Certified to European standard EN50082-1 (EN61000-4-2 and EN61000-4-3) |
Description | RO20AA |
Dimensions (L x W x H) | 7.9 x 4.2 x 7.7 in. (201 x 1047 x 196 mm) |
Energy Range | Photon Response: ± 30% from 8 keV to 1.3 MeV with the open slide facing the source; ± 15% from 33 keV to 1.3 MeV with the closed slide facing the source; ± 15% from 55 keV to 1.3 MeV through the side of the instrument; Beta Response: Uranium Slab: 30% of true |
Battery Type | 5“C” cells |
Product Type | Survey Meter |
Measurement Range | Linear Ranges: 0 to 5, 0 to 50; 0 to 500 mR/h; (0 to 5; 0 to 50R/h) |
Operating Temperature (Metric) | −40°C to 60°C |
Height (English) | 7.7 in. |
Length (English) | 7.9 in. |
Operating Temperature (English) | -104°F to 140°F |
Response Time | 90% of final reading within 5 seconds |
Detector Type | Beta, Gamma, X-Ray |
Linearity | Within 5% of Full Scale |
Width (Metric) | 10.47 cm |
Weight (Metric) | 1.63 kg |
Humidity | 0% to 95% |
Internal Controls | five calibration controls, one for each range |
Voltage | 30 V |
Battery Dependence | Reading is independent of battery voltage when the battery check indication is in the green arc |
Chamber Bias | Ten 3V lithium coin cells, 30 V |
Radiation Type | Beta, Gamma, X-Ray |
External Control | range switch, including Off, Zero, and Battery checking positions. Zero knob used to set meter to zero when Zero position of range switch is selected or when in no significant radiation field. Light switch, for meter light |
Width (English) | 4.2 in. |
Battery Life | 150 to 6900 hr. |
Weight (English) | 3.6 lb. |
Length (Metric) | 201 mm |
Height (Metric) | 19.6 cm |
Unit Size | Each |
Certifications/Compliance | Successfully tested to ANSI™ N42.17A. CE Certified to European standard EN50082-1 (EN61000-4-2 and EN61000-4-3) |
Description | RO20SI |
Dimensions (L x W x H) | 7.9 x 4.2 x 7.7 in. (201 x 1047 x 196 mm) |
Energy Range | Photon Response: ± 30% from 8 keV to 1.3 MeV with the open slide facing the source; ± 15% from 33 keV to 1.3 MeV with the closed slide facing the source; ± 15% from 55 keV to 1.3 MeV through the side of the instrument; Beta Response: Uranium Slab: 30% of true |
Battery Type | 5“C” cells |
Product Type | Survey Meter |
Measurement Range | Linear Ranges: 0 to 5, 0 to 50; 0 to 500 mR/h; (0 to 5; 0 to 50R/h) |
Operating Temperature (Metric) | −40°C to 60°C |
Height (English) | 7.7 in. |
Length (English) | 7.9 in. |
Operating Temperature (English) | -104°F to 140°F |
Response Time | 90% of final reading within 5 seconds |
Detector Type | Beta, Gamma, X-Ray |
Linearity | Within 5% of Full Scale |
Width (Metric) | 10.47 cm |
Weight (Metric) | 1.63 kg |
Humidity | 0% to 95% |
Internal Controls | five calibration controls, one for each range |
Voltage | 30 V |
Battery Dependence | Reading is independent of battery voltage when the battery check indication is in the green arc |
Chamber Bias | Ten 3V lithium coin cells, 30 V |
Radiation Type | Beta, Gamma, X-Ray |
External Control | range switch, including Off, Zero, and Battery checking positions. Zero knob used to set meter to zero when Zero position of range switch is selected or when in no significant radiation field. Light switch, for meter light |
Width (English) | 4.2 in. |
Battery Life | 150 to 6900 hr. |
Weight (English) | 3.6 lb. |
Length (Metric) | 201 mm |
Height (Metric) | 19.6 cm |
Unit Size | Each |
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RO20AA | Each | RO20AA | Request A Quote | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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RO20SI | Each | RO20SI | Request A Quote | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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