|
ION CHAMBER DETECTOR
SEPARATE
DISPLAY AND DETECTOR
FOUR DIFFERENT
ALARMS
SELF CONTAINED
AUDIBLE AND VISUAL ALARMS
SELF CHECK
RS-232
OUTPUT
Energy Response
|
 |
The
Model 2030 is designed to monitor low energy xray machines or any
source of low energy gammas. It is particularly useful for avoiding
accidental exposures around xray diffraction machines where it is
not difficult to have a severe radiation accident.
The two piece high quality instrument utilizes a thin wall ion chamber
as the detector. The readout can be placed wherever it is convenient
and the detector can be mounted in any orientation on the wall,
ceiling, or the machine itself.
There are 4 separate alarms. A low level alert alarm, a high level
alert alarm, a rate of rise alarm and a fast response alarm. In
addition there is also a malfunction alarm.
The front panel of the readout has visual and audible indicators
for the alarm status and also an LCD that reads the radiation level.
The alarm level adjustments are all made inside the readout and
are set digitally. An RS-232 output is also available.
The instrument setup allows you to configure the instrument as you
want. The operation of the instrument is very programmable which
helps it meet many different needs. The trip sets, time counting
intervals, annunciators, and delays are all user setable.
Monitoring low energy sources of Xrays or Gammas is important in
any radiation safety program. The model 2030 Low Energy Area Monitor
can assist your program and help it to meet its safety goals.
Specifications
Mechanical
 Detector
size: overall including mounting bracket: 8 1/2" W, 7 1/2"
D, 13 1/2" H
Display size:
overall including mounting bracket: 8" W, 3" D, 7 1/2"
H
Weight: Detector:
4 lb.; Readout: 3 lb.
Mounting
bracket: Tilting mounting bracket supplied with both detector and
readout.
I nternal
controls: Detector has 1 adjustment, Readout has a contrast adjustment.
Three push buttons under lower cover in readout for setting functions.
Sealing:
Electrometer is sealed and desiccated.
Detector
Ion chamber:
3.6 liter size. It is unsealed and vented. Wall: polypropylene,
.065" thick, Dag coating inside
Electrical
Display:
2 line x 16 character alphanumeric supertwist LCD
Contrast:
adjustable from inside
Power: Units
operate on 12 VDC supplied by wall transformer powered by 110 VAC
60 Hz ,16 Watts
Detector
operation: Detector is a periodically reset integrator
Interconnection: Power from wall transformer is routed to display.
Cable between detector and readout is a 4 conductor cable containing
signal and power. Shielding is preferable in noisy locations. All
signals are digital
Connectors:
Both Detector and Readout use removable terminal blocks which allow
the units to be removed by unplugging the terminal blocks and leaving
the wiring in place. The removable terminal blocks permit installation
with just a screwdriver.
Operational
Display:
Display shows counts per second, Updated every second. Display is
not in radiation units, and cannot be calibrated, but is proportional
to radiation. This alleviates having to calibrate the instrument.
Sensitivity:
Approx. 250 CPS/mR/h
Maximum rate:
6000 CPS
Alarms: 4
different alarms. Each alarm can be set to control one or more of
the front panel annunciators (LEDs, buzzer, relay and additional
outputs). Adjustable time before trip, trip level, interval to trip,
and delay after trip. Individual alarms may be turned off. Malfunction
alarm if no counts received in a programmed time.
Factory setup:
Alarm 1 is a rate alarm. Alarm 2 is for fast moving high radiation.
Alarm 3 is for a warning alarm. Alarm 4 looks at long and short
term average for a rate of rise alarm.
Turn on time:
Variable from 0 to 255 seconds.
RS-232 output:
9600 baud sends our counts from the detector, and status.
Maintenance:
Several maintenance and test modes available for system checkout
and repair.
Response
Response
time: .1 second minimum, 25 seconds maximum. User setable for each
alarm.
Minimum trip
level: Unit will trip reliably at .4 mR/h.
Environmental
Use:
Designed for interior use. Electronics are not sealed.
Operating
range: 10° C to 40° C
Humidity:
10% to 90% RH non condensing.
|
