aspida
– User Manual
Document Ref: PGA-801-10
-
December 2014
Page 27
Specifications
Operating temperature:
-5 to 50°C
Display:
High-visibility, Organic Light Emitting Diode (OLED) Display
Alarm horn:
95dB @ 30cm (110dB
– man-down alarm)
LED indicators;
1 x Green
– OK
1 x Amber
– Fault
3 x Red
– Alarm
Internal data log:
1 log every 30 seconds for at least 7 days of continuous use
Batteries:
2 x NiMH 2100 mAh AA batteries
Battery discharge time:
15 hours under normal operation (passive atmospheric
monitoring, minimal user interaction, no alarms)
Battery lifespan:
2 years
Battery charge time:
4.5 hours (from flat)
Charger power supply rating:
9v DC
– 0.55A
Carbon Dioxide Sensor
Sensor type:
Analox Infra-red MIR
Range:
0.01
– 5.00%
Accuracy (at standard
±2% of full scale between 0.01% and 2.5%
temperature and pressure):
±3% of full scale between 2.5% and 5.0%
Response time:
T90 < 60 seconds
Sensor life span:
5 years
Oxygen Sensor
Sensor type:
Electrochemical
Range:
0.1
– 25.0%
Accuracy (at standard
±3% of full scale between 0. 1% and 25%
temperature and pressure):
Response time:
T90 < 30 seconds
Sensor life span:
2 years (expected)
Summary of Contents for aspida
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