24
7.0 SPECIFICATIONS
Technology Used:
P
2
O
5,
Phosphorous Pentoxide Cell
Measured Parameter:
PPMv (Parts-per-Million by Volume)
Calculated Parameters:
Dew Point, PPMw (Parts-per-Million by
Weight), Others
Accuracy:
± 5% of PPMv reading, typical
Measurement Range:
PPMv:
1250 to 0.1 ppm
Dew Point:
-20°C to -95°C
Pressure:
0 to 200 psig
Response Time:
90% of step change in one minute, typical
Hysteresis:
None
Temperature:
Ambient:
0 to 50°C
Sample Gas:
0 to 50°C
Electrical Outputs:
Analog Outputs (2): 4 to 20 mA
(Field
Programmable)
Load: 0 to
400Ω
Digital Interface:
RS-232C, bi-directional
DB-9 Connector
Alarm Relays (2): Form A (Normally Open)
Contact Rating: 3A at 250VAC/30VDC
Digital Display:
LCD, 2 line, backlit
Sensor Gas Connections:
¼ inch (6.35 mm) compression fittings
Model PPM1:
Power Requirements:
18 to 30 VDC unregulated, 100 mA maximum
Standard Cable:
6 feet (1.8 meter)
Dimensions:
Enclosure (LWD): 5.1 in (13cm) X 5.1 in
(13cm) X 3 in (7.6cm)
Summary of Contents for PPM1
Page 26: ...26 8 0 APPENDIX 8 1 PPM1 MOUNTING DIMENSIONS...
Page 27: ...27 8 2 SENSOR DIMENSIONS...
Page 29: ...29 Notes...