PureAire Monitoring Systems, Inc.
7
2: Specifications
NOTE:
For our continual
product improvement, all specifications are subject to change without notice.
2.1 Performance Specifications
Sensor Type:
Long Life Zirconium Oxide Sensor Cell 0-30%
Response Time:
Within 1 second of any change in O
2
.
Accuracy:
± 1% of full scale
Fault Indicators:
Loss of VDC power (analog signal drops to 0 mA).
Sensor cell failure: Fault relay activated.
(Must have Alarm relay option for
cell failure to operate)
Operating Temp: -40° to 134°F (-40° to +55°C); consult PureAire for lower or higher operating
temperatures.
Humidity:
0 to 95% RH; consult PureAire for sensors which can operate in 100%
condensing RH environments.
Environment:
Altitude 2000 m, PSU only UL spec. Pollution Degree 3, Intended for Indoor Use.
UL / CUL listing:
Measuring Equipment E363306
Ce
EN 61000-3-2:2006 EMC, EN 61000-3-3:2008 EMC, EN61010-1-3-2013 LVD
2.2 Gas Detection System
Type:
Long Life Zirconium Oxide Sensor Cell, Range 0-30%
Sensor Life:
8 to 10+ years under normal conditions.
Transmitter:
Microprocessor electronics with built-in 3-digit backlit LCD display
Joystick operated menus
2.3 Signal Outputs
Local Display:
Digital display calibrated for Oxygen. The range is stated on the serial number
and can be accessed via the joystick on the front panel. In the measurement
mode pushing the joystick down will scroll the gas and range on the display.
Push the joystick down again to stop the scrolling and display the gas again.
Standard
Analog Output:
DC 4-20 mA
Optional Relay Output: Dual level user selectable alarm relays and one fault relay
Rated, 2amps @ 24VAC or 24VDC
2.4 Electrical Requirements
Power:
24 VDC external power. A regulated 24VDC power supply is required.
Consumption:
Approximately 250mA
2.5 Physical Characteristics
Dimensions:
5.125 (W) x 3.15 (H) x 3.00 (D) inches; 130 x 80 x 76 mm (Max with feet)
Weight:
1.1 pounds (0.5 kg)
Enclosure Type:
General purpose; not intended for explosive atmospheres.
