Overhoff Product Line



TRITIUM AND STACK MONITORS


Low Sensitivity Range: Optional Low Range Sensitivity: Top Of Range: Power: Model Numbers: Standard Options
Comments:
Modular Configuration:          
10-8µCi/m3   4 plus decades
1 to 19,999µCi/m3		 110/230AC
50/60Hz		 Main Unit
300 Series Monitors		 Single Range
10-8µCi/m3   9 plus decades
0.001mCi/m3-1,000Ci/m3		 110/230AC
50/60Hz		 400 Series Monitors Auto Ranging
5 ranges standard
7 ranges optional
1µCi/m3 0.1µCi/m3

1-1,999Ci/m3
1-1,999Ci/m3
1-99,999mCi/m3
1-99,999µCi/m3
0.1-1,999.9µCi/m3		 110/230AC
50/60Hz		 Ionization Chamber
311 Series Monitors		 Single 2 Liter Chamber,
optional sizes available;
10cc,
50cc,
200cc,
1L,
8L
1µCi/m3 0.01µCi/m3

1-1,999Ci/m3
1-1,999Ci/m3
1-99,999mCi/m3
1-99,999µCi/m3
0.1-1,999.9µCi/m3		 110/230AC
50/60Hz		 411 Series Monitors Single 2 Liter Chamber,
optional sizes available;
10cc,
50cc,
200cc,
1L,
8L
10-8µCi/m3   4 plus decades
1 to 19,999µSv/hr		 110/230AC
50/60Hz		 321 Series Monitors Dual (gamma compensated)
2 Liter Chamber,
optional sizes available
Dual 8L (wire grid design)
for best gamma compensation
10-8µCi/m3  
9 plus decades
0.001Ci/m3 to 1,000 Ci/m3
0.0001Ci/m3-100 Ci/m3
0.001Ci/m3-1,000 Ci/m3		 110/230AC
50/60Hz		 421 Series Monitors Dual (gamma compensated)
2 Liter Chamber,
optional sizes available
Dual 8L (wire grid design)
for best gamma compensation
Fixed Configuration:          
10-8µCi/m3   4 plus decades
1-19.999mCi/m3		 110/230AC
50/60Hz		 321 NPPM Series Monitors Std: Dual Flow 2 Liter Chamber
(wire grid design) and a recycling dryer system for
differential measurement
Options: Noble Gas Comp
RS232 Serial Output
4-20mA Output
10-8µCi/m3   7 plus decades
0.001mSv/hr-20 Sv/hr		 110/230AC
50/60Hz		 421 NPPM Series Monitors Std: Dual Flow 2 Liter Chamber
(wire grid design) and a recycling dryer system for
differential measurement
Options: Noble Gas Comp
RS232 Serial Output
4-20mA Output
Low Cost Tritium Monitors          
10-8µCi/m3 0.01 to 199.9MBq/m3 4 plus decades
0.01 to 199.9MBq/m3		 110/230AC
50/60Hz		 357 Monitors Std: Dual Flow 2 Liter Chambers for
Gamma Compensation
Options: Wire Grid Chamber(s)
RS232 Serial Output
Logarithmic Signal Output
4-20mA Output
10-8µCi/m3 0.01 to 199.9MBq/m3 4 plus decades
0.01 to 199.9MBq/m3		 110/230AC
50/60Hz		 347 Monitors Std: Dual Flow 2 Liter Chambers for
Gamma Compensation
Options: Wire Grid Chamber(s)
RS232 Serial Output
Logarithmic Signal Output
4-20mA Output
Ultra Low Level Monitors          
1 X 10-9µCi/m3   0 to 10Ci/m3 115/230AC
50/60Hz		 93-WR-T-HTO Series  
3 X 10-9µCi/m3   0 to 2MBq/m3
0 to 50µCi/m3		 115/230AC
50/60Hz		 93-WR-T-HTO Series  
Portable Tritium Monitors          
0.2µCi/m3 Single Range
0.01 to 199.9MBq/m3
Dual Range
0.01 to 199.9MBq/m3		 19,999mCi/m3 Batteries SP1400 Series  
0.2µCi/m3 0 to 199.99MBq/m3
0.1 to 1999.9 MPCa		 19.999µCi/m3 Batteries
2 ea: D-Cell
100--240VAC input-converts to 3.3VDC-output		 400SBDgC Series  
Testing & Calibration Equipment:          
10-8µCi/m3   199.99µCi/m3 Batteries
2 ea D-Cell		 EC200 Series  
10-8µCi/m3   199.990µCi/m3 Batteries
2 ea D-Cell		 200BC Series  
10-8µCi/m3 Three Ranges:
40 to 400 MBq/m3
4 to 40 MBq/m3
0.4 to 4 MBq/m3		 Three Ranges:
10KµCi/m3
1KµCi/m3
100µCi/m3		 Batteries
6 ea D-Cell		 394 Series  
10-8µCi/m3 No options available 10KµCi/m3
1KµCi/m3
100µCi/m3		 Batteries
6 ea D-Cell		 AN/PDR-74
Military Version of Model 394		  






Surface Contamination Monitors Optional Low Range Sensitivity: Top Of Range: Power: Model Numbers: Comments:
Speedy Ferret STB-TF-6       Speedy Ferret STB-TF-6.pdf  
Flat Ferret PTS-26 and 27       Flat Ferret PTS-26 and 27  
SCM-1 (Flat Ferret)          
SCM-3 (Floor Ferret)          
SCM-4 (Speedy Ferret)          
Passive Samplers:          
10-9µCi/m3     110/230AC
50/60Hz		 TASC Series  
Environmental Gamma Monitors          
0.1µR/hr   200 mR/h 110/230AC
50/60Hz		 HPIC Series  
Nobel Gas Beta/Gamma
Monitors-Scintillation
Detectors		          
  ± x 104 0 to 2 x 1010
MeVBq/m3		 110/230AC
50/60Hz		 903 Measures noble gases at a reactor plant
    0 to 1 x 1011
Bq/m3		 110/230AC
50/60Hz		 8102  
High-Level Beta-Gamm
Portable Survey Monitors		          
  500mR/hr 500R/hr 110/230AC
50/60Hz		 AN/PDR43  
  500mR/hr 500R/hr   AN/PDR45  
Portal Monitors:          
NMPM-P Series          
NMPM-1 Series          
CBRM-1 Series          
PPRM-1 Series          




TRITIUM IN WATER MONITOR


Model Number Optional Low Range Sensitivity: Top Of Range: Power: Model Numbers: Comments:
           
T in H20 Series 3.7 kBq/L   110/230AC
and 24VDC		   Liquid Scintillation Counting
                    
Iodine Monitor          
RIM971 Series