Casella CEL CEL-424 - Manual (Page 13)

Dose Measurement Start/Stop Delay Timer: (CEL-460 Series only)
Delay intervals can be set only via dB10 and dB12.
Settings can be specified for up to 16 sets of start and stop times, up to
30 days ahead.
The clock indicates the time remaining before the next run starts.
Dose Measurement Elapsed Time Timer: (CEL-460 Series only)
Measurement elapsed times (run durations) can be selected from the
keypad. The following options are available:
Disabled,
5, 10, 15, 30 minutes,
1, 2, 4, 8 hours.
Overload Indication:
140.1 dB RMS.
Maximum Peak Value:
143.0 dB Peak Linear.
Non-Linear Distortion:
Error <±1 dB at frequencies >10 Hz.
Warm-Up Time:
5 minutes.
Stabilisation Time:
1 second.
Operating Environment:
Temperature ± 0.5 dB: -10 o C to +50 o C,
Atmospheric Pressure: 65 - 108 kPa,
Humidity ± 0.5 dB: 30% - 90% (non-condensing),
Magnetic Fields: Negligible,
Vibration: Negligible,
EMC: See standardisation.
Dimensions and Weight:
Metric: 120 x 65 x 30 mm and 260 g (IS versions: 300 g).
US: 4.8 x 2.6 x 1.2 inches and 9 oz (IS versions: 11 oz).
12. CE Compliance
All models of the CEL-420 and CEL-460 Dosimeters comply with the
EMC Directive 89/336/EEC of the European Union. They have been
tested according to the standard delivery schedule and comply with the
following standards.
EN 50081-1 : 1992, EN 50081-2 : 1993: Generic emission stand-
ards for residential, commercial, light industry and industrial environ-
ments.
EN 50082-1 : 1992, EN 50082-2 : 1995: Generic immunity stand-
ards (for both RF fields and electrostatic discharge) for residential, com-
mercial, light industry and industrial environments.
CEL-420/460 Getting Started - Page 65