Principles of measurement: |
Light Scatter and 47 mm low flow gravimetric filter sampler. |
Available cut-off points: |
TSP inlet standard. PM10, PM2.5 and PM1 clean cut cyclone inlets available. |
Measuring range: |
Dynamic range of 0 to 65 mg/m3 (0 to 65 530 μg/m3). Digital range 16 bits. |
Clarification: |
More than 3 μg/m3 or 2%. |
Data Storage Resolution: |
1 μg/m3 |
Data Storage Intervals: |
User-selectable averages of 1, 5, 10, 15, 30 or 60 minutes. |
Nephelometer interval: |
1 second measurements, available on analog output and display. |
Examples of cycles: |
Continuous operation or programmable sampling cycles |
Particle size sensitivity: |
0.1 to 100 microns. Optimal sensitivity to particles from 0.5 to 10 microns. |
Laser type: |
Diode laser, 5 mW, 670 nm. Apparent red. |
Flow rate: |
2.0 l/min ± 0.1 l/min. Actual volumetric flow rate. |
Gravimetric filter type : |
47 mm disc filters (not included). Accepts standard FRM filter cartridges. |
Automatic zero and span: |
User-selectable 15-minute, 1-hour, 2-hour, 12-hour or 24-hour intervals. 2.8 minute cycle. |
Internal battery: |
12V, 12 ampere-hour. Yuasa NP12-12 or equivalent, lead acid battery optional. |
Internal battery life: |
Up to 30 hours with the inlet heater off. Up to 10 hours with the inlet heater on. |
Power source: |
Universal input 100-240 VAC, output power supply 15 VDC included. Compatible with solar kit or external batteries using optional DC power cable. |
Energy consumption: |
1.1 amps at 12 VDC (15 watts) maximum continuous draw, operating with input heater on. 0.35 amps (4.2 watts) operating with input heater off. |
Operating temperature : |
0 to +50°C . (Range of the ambient temperature sensor -30 to +50°C). |
Barometric pressure: |
Pressure sensor range from 60 000 to 104 000 Pascal. |
Ambient humidity range : |
0 to 90% RH, non-condensing. |
Approvals: |
CE, ISO-9001. Designed to match EPA Class I and Class III FRM/EMF particulate samplers and monitors. Not an equivalent EPA-designated method. |
User interface: |
Menu-driven interface with 4×20 character LCD display and dynamic keyboard. |
Analog voltage output : |
DC output 0-1, 0-2.5 or 0-5 volts. User defined range with 1 second real time output. |
Serial interface : |
RS-232 duplex serial port for PC, data logger or modem communications. |
Alarm contact closure : |
Normally closed contact relay output. Contact rating 0.5 A at 100 V DC max. |
Alarm Report: |
Available via serial port data files, display and relay output. |
Brief: |
4369 data logger records (182 days at 1 record/h, 3 days at 1 record/min). |
Mounting options: |
Standard wall or pole mounting bracket. Optional EX-905 tripod recommended. |
Unit of weight: |
6.4 kg (14 lb) without tripod, battery or optional accessories. |
Unit dimensions: |
65 cm high, 27 cm wide, 16.5 cm deep. (25.5″ x 10.5″ x 6.5″). With intake assembly |