Ion Chambers

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Ion Chambers

For U24-D Tritium Monitor

Features:

Low-Voltage (24 VDC)

Better than 10% accuracy (linear without correction)

Over 7 decades on two ranges (automatic range change)

U24-D Control Unit is universally compatible with all of our chambers

Constructed of highly polished 304 stainless steel

Can be separated up to 1000 feet (305 meters) from control unit

Sealed electrometer housing

Active Gamma Compensation available

Great variety of configurations and applications

Available with both active and passive chamber configurations.

224GB (Glove Box) Ion Chamber

Application Room, Glove Box, or Stack
Range (7 Decades) Range 1: 0 to 20 mCi/m³ (0 to 740 MBq/m³)
Range 2: 0 to 20 Ci/m³ (0 to 740 GBq/m³)
Resolution Range 1: 1 µCi/m³ (37 kBq/m³)
Range 2: 1 mCi/m³ (37 MBq/m³)
Accuracy Within ±10% of reading (calibrated for tritium in nitrogen at 760 torr at 20°C).
Zero Drift Less than ±1 LSD per week.
Temperature Electronics stable to ±1 LSD over range of 0°C to 50°C
Note: Concentration measurement is a function of temperature through the PVT gas law.
Electronics Low voltage (24 VDC), no drying tubes or danger of vacuum damage.
Humidity 0% to 95% Relative Humidity.
Sample Gas Composition The system is calibrated to measure tritium in nitrogen at 760 torr at 20°C.
Installation The ion chamber and control unit can be located up to 1000 feet (305m) apart without degradation of signal.
Volume Total (VCR inlet to VCR outlet): 2406cc (±1%)
Active (volume used for measurement): 1800cc (±2%)
Fittings (Inlet/Outlet) Two 1/4" VCR (Swagelok®) female fittings for gas sample inlet and outlet.
Flow Rate of Sample Gas 0 to 20 l/min. Flow rate is determined by a user supplied pump which causes response time to be proportional to flow rate.
Pressure 400 to 800 torr to maintain rated accuracy. Although the measurement is affected, the ion chamber can operate between vacuum and 30 psia without damage to the chamber or electrometer.
Materials All tritium exposed components are fabricated from 304 stainless steel with a #8 polish except for O-ring seals (Viton®), electrode feed-through (Torlon®), and ion chamber insulator (Torlon or Ultem 1000®). The electrometer is housed in a circular aluminum housing which is O-ring sealed to the stainless steel base plate of the ion chamber. An aluminum cover is O-ring sealed to the electrometer housing. All aluminum components are anodized.
Mounting Ion chamber base plate contains three 1/4-20 tapped holes in a semicircle configuration for mounting to optional chamber mounting bracket.
Weight 13.5 lbs. (6.1 kg)
Shipping: 20 lbs. (9.1 kg)
Dimensions 9.25" (23.5cm) high
7.5" (19.05cm) flange diameter

224DU (Duct Monitor) Ion Chamber

Application Duct or Area (perforated)
Range (7 Decades) Range 1: 0 to 20 mCi/m³ (0 to 740 MBq/m³)
Range 2: 0 to 20 Ci/m³ (0 to 740 GBq/m³)
Resolution Range 1: 1 µCi/m³ (37 kBq/m³)
Range 2: 1 mCi/m³ (37 MBq/m³)
Accuracy Within ±10% of reading (calibrated for tritium in nitrogen at 760 torr at 20°C).
Zero Drift Less than ±1 LSD per week.
Temperature Electronics stable to ±1 LSD over range of 0°C to 50°C
Note: Concentration measurement is a function of temperature through the PVT gas law.
Electronics Low voltage (24 VDC), no drying tubes or danger of vacuum damage.
Humidity 0% to 95% Relative Humidity.
Sample Gas Composition The system is calibrated to measure tritium in nitrogen at 760 torr at 20°C.
Installation The ion chamber and control unit can be located up to 1000 feet (305m) apart without degradation of signal.
Volume Total (VCR inlet to VCR outlet): 2406cc (±1%)
Active (volume used for measurement): 1800cc (±2%)
Fittings (Inlet/Outlet) Two 1/4" VCR (Swagelok®) female fittings for gas sample inlet and outlet.
Flow Rate of Sample Gas 0 to 20 l/min. Flow rate is determined by a user supplied pump which causes response time to be proportional to flow rate.
Pressure 400 to 800 torr to maintain rated accuracy. Although the measurement is affected, the ion chamber can operate between vacuum and 30 psia without damage to the chamber or electrometer.
Materials All tritium exposed components are fabricated from 304 stainless steel with a #8 polish except for O-ring seals (Viton®), electrode feed-through (Torlon®), and ion chamber insulator (Torlon or Ultem 1000®). The electrometer is housed in a circular aluminum housing which is O-ring sealed to the stainless steel base plate of the ion chamber. An aluminum cover is O-ring sealed to the electrometer housing. All aluminum components are anodized.
Mounting Ion chamber base plate contains three 1/4-20 tapped holes in a semicircle configuration for mounting to optional chamber mounting bracket.
Weight 13.5 lbs. (6.1 kg)
Shipping: 20 lbs. (9.1 kg)
Dimensions 9.25" (23.5cm) high
7.5" (19.05cm) flange diameter

224RM (Room Monitor) Ion Chamber

Application Room
Range (auto ranging) Range 1: 0 to 2 mCi/m³ (0 to 74,000 Bq/l)
Range 2: 0 to 2 Ci/m³ (0 to 74,000,000 Bq/l)
Resolution Range 1: 0.1 µCi/m³ (3.7 Bq/l)
Range 2: 0.1 mCi/m³ (3,700 Bq/l)
Accuracy Within ±10% of reading (calibrated for tritium in nitrogen at 760 torr at 20°C).
Zero Drift Range 1: Less than ±0.1 µCi/m³ per week
Range 2: Less than ±0.1 mCi/m³ per week
Temperature Electronics stable to ±1 LSD over range of 0°C to 50°C
Note: Concentration measurement is a function of temperature through the PVT gas law.
Noise Less than ±0.1 µCi/m³ (long term).
Humidity 0% to 95% Relative Humidity.
Sample Gas Composition The system is calibrated to measure tritium in nitrogen at 760 torr at 20°C.
Installation The ion chamber and control unit can be located up to 1000 feet (305m) apart without degradation of signal.
Volume Total (VCR inlet to VCR outlet): 2406cc (±1%)
Active (volume used for measurement): 1800cc (±2%)
Fittings (Inlet/Outlet) Two 1/4" VCR (Swagelok®) female fittings for gas sample inlet and outlet.
Flow Rate of Sample Gas Flow rate is determined by a user supplied pump which causes response time to be proportional to flow rate.
Pressure 700 to 800 torr to maintain rated accuracy. Although the measurement is affected, the ion chamber can operate between vacuum and 30 psia without damage to chamber or electrometer.
Materials All tritium exposed components are fabricated from 304 stainless steel with a #8 polish except for O-ring seals (Viton®), electrode feed-through (Torlon®), and ion chamber insulator (Torlon or Teflon). The electrometer is housed in a circular aluminum housing which is O-ring sealed to the stainless steel base plate of the ion chamber. An aluminum cover is O-ring sealed to the electrometer housing. All aluminum components are anodized.
Mounting Ion chamber base plate contains three 1/4-20 tapped holes in a semicircle configuration for mounting to optional chamber mounting bracket.
Weight 13.5 lbs. (6.1 kg)
Shipping: 20 lbs. (9.1 kg)
Dimensions 9.25" (23.5cm) high
7.5" (19.05cm) flange diameter

224PP (Parallel Plate) Ion Chamber

Application Process
Range (auto ranging) Range 1: 0 to 20 Ci/m³ (0 to 740,000 Bq/m³)
Range 2: 0 to 20,000 Ci/m³ (0 to 740,000,000 Bq/m³)
Resolution Range 1: 1 mCi/m³ (37 Bq/m³)
Range 2: 1 Ci/m³ (37,000 Bq/m³)
Accuracy Range 1: within ±10% of reading
Range 2: within ±10% of reading
Zero Drift Range 1: Less than ±1 mCi/m³ per week
Range 2: Less than ±1 Ci/m³ per week
Temperature Range 1: Stable to ±1 mCi/m³ over range of 0°C to 50°C
Range 2: Stable to ±1 Ci/m³ over range of 0°C to 50°C
Noise Less than ±0.1 mCi/m³ (long term).
Humidity 0% to 95% Relative Humidity.
Sample Gas Composition The system is calibrated to measure tritium in hydrogen.
Installation The ion chamber and control unit can be located up to 1000 feet (305m) apart without degradation of signal.
Volume 178 cc ± 2 cc total volume
25 cc nominal counting volume
Fittings (Inlet/Outlet) Two 1/4" VCR (Swagelok®) female fittings for gas sample inlet and outlet.
Flow Rate of Sample Gas Flow rate is determined by a user supplied pump which causes response time to be proportional to flow rate.
Pressure 700 to 800 torr to maintain rated accuracy. Although the measurement is affected, the ion chamber can operate between vacuum and 200 psia without damage to chamber or electrometer.
Materials All tritium exposed components are fabricated from 304 stainless steel with a #8 polish except for O-ring seals (Viton®), electrode feed-through (Torlon®), and ion chamber insulator (Torlon or Ultem 1000®). The electrometer is housed in a circular aluminum housing which is O-ring sealed to the stainless steel base plate of the ion chamber. An aluminum cover is O-ring sealed to the electrometer housing. All aluminum components are anodized.
Mounting Ion chamber base plate contains three 1/4-20 tapped holes in a semicircle configuration for mounting to optional chamber mounting bracket.
Weight 16 lbs. (7.3 kg)
Shipping: 23 lbs. (10.5 kg)
Dimensions 3.625” (9.21cm) high
7.5” diameter (19.05cm) (not including space for cable routing or gas ports)

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