Specifications
General
Measurement Technique: OF-CEAS (Optical Feedback – Cavity Enhanced Absorption Spectroscopy)
Measurement Rate: 1 sample per second (1 Hz)
Optical Cavity Volume: 6.41 cm3
Total Sample Volume: 28 cm3
Flow Rate:
250 sccm nominally in standard configuration
150 sccm nominally in high altitude configuration
70 sccm nominally with reduced flow rate kit installed
Total Weight: 10.5 kg (including batteries)
Case Dimensions: 51 × 33 × 18 cm (L × W × H)
Operating Temperature Range: -25 °C to 45 °C (without solar load)
Operating Humidity Range: 0 to 85% RH (non-condensing, without solar load)
Sample Line Humidity Range: 0 to 99.9% (non-condensing)
Operating Pressure Range:
70 to 110 kPa in standard and reduced flow rate configuration
50 to 110 kPa in high altitude configuration
Connectivity: Ethernet and Wi-Fi (not available in some countries)
Wi-Fi Compatibility: 2.4 GHz, 802.11 a/b/g/n/ac
Power Consumption:
Steady State Operation: 22 Watts at 25 °C without batteries charging
Warmup: Up to 65 W without batteries charging; up to 100 W with batteries charging
Off: Up to 2.3 W when powered from pins 3 and 4 without batteries charging; up to 0.2 W when powered from pins 1 and 5 without batteries charging
Power Supply Requirements:
Pins 1 and 5 (24 VDC Input): Minimum 6 A at 24 V
Pins 3 and 4 (10.5 to 33 VDC Input): Minimum 14 A at 10.5 VDC; 6 A at 24 VDC
Power Supply: Universal Power Adapter (Input: 100 to 240 VAC, 50-60 Hz; Output: 24 VDC)
Battery Life: 8 hours typical with 2 batteries
Data Storage: Up to 5,356,800 records; about 62 days of continuous data collection
Pollution Degree: 2
Over-voltage Category: II
Class 1 Laser Product
CO2 measurements:
Range: 50 to 2,000 ppm
Precision (1σ): <0.05 ppm at 400 ppm with 5-minute averaging
Response Time (T10-T90): ≤2 seconds from 0 to 400 ppm
Maximum Drift: <0.5 ppm per 24-hour period
δ13C measurements:
Precision (1σ):
<0.5 ‰ with 1 second averaging
0.04 ‰ with 5-minute averaging
Maximum Drift: <1 ‰ per 24-hour period
δ18O measurements:
Precision (1σ): <0.1 ‰ at 400 ppm with 5-minute averaging
Maximum Drift: <4 ‰ per 24-hour period
δ17O measurements:
Precision (1σ): <0.4 ‰ at 400 ppm with 5-minute averaging
Maximum Drift: <12 ‰ per 24-hour period
NH3 Measurements
Range: 0 to 30,000 ppb
Precision (1σ): 2 ppb at 300 ppb with 1 second averaging
Response Time (T10-T90): ~5 minutes1
H2O Measurements
Range: 0 to 60,000 ppm
Precision (1σ):
45 ppm at 10,000 ppm at 1 second
20 ppm at 10,000 ppm with 5 second averaging
Dimensions
Specifications subject to change without notice.