LI-8150 Multiplexer
Dimensions: 40.6 cm L × 57.2 cm W × 21.1 cm H (16” × 22.5” × 8.3”)
Weatherproof Rating: Tested to IEC IP55 standard
Weight
8 port version: 9.4 kg (20.7 lb)
16 port version: 11.2 kg (24.8 lb)
Operating Range
Temperature: –20 to 45 °C
Humidity: 0 to 95% RH, non-condensing
Coverage Area
Maximum radius from LI-8150 to chambers: 15.0 m (49.2 ft) with one extension tube.
Maximum diameter of measurement circle: 30.0 m (98.4 ft) with one extension tube on each chamber.
Plumbing
Flow rate to/from chambers: ~2-3 lpm
Flow rate between LI-8100A and LI-8150: 1.7 lpm
Pump in the LI-8100A subsamples air stream in the LI-8150
LI-8150 Pump Type: Diaphragm
Display
Four LED Indicators: Power, Check Error Log, Manual Chamber Activation Indicator, Active Chamber Error
Five 7-segment LED Displays: Active Chamber, Active Valve, three voltage channel indicators
Power Requirements: 10.5 – 14.5 VDC (120 VAC and 240 VAC with optional power supply). Power supplied through the LI-8150; the LI-8150 powers the LI-8100A when connected. See Table A‑1 for total system power requirements.
LI-8100A + LI-8150 + n Chambers |
Sampling: No chamber movement | Sampling: Two chambers move at once | Warm-up: Up to four chambers move at once | |||
---|---|---|---|---|---|---|
n Chambers | Amps @ 12.5 VDC | Watts | Amps @ 12.5 VDC | Watts | Amps @ 12.5 VDC | Watts |
11 | 1.0 | 12.5 | 3.0 | 37.5 | 3.0 | 37.5 |
2 | 2.0 | 25.0 | 3.8 | 47.5 | 3.8 | 47.5 |
4 | 2.1 | 26.3 | 3.8 | 47.5 | 4.8 | 60.0 |
8 | 2.1 | 26.3 | 3.8 | 47.5 | 4.8 | 60.0 |
16 | 2.3 | 26.8 | 3.8 | 47.5 | 4.8 | 60.0 |
8150-770 AC to DC power supply
Power Requirements: 115-120 VAC or 230-240 VAC, 50/60 Hz, 230 W.
Weatherproof Rating: Tested to IEC IP55 standard
Output Voltage: 12 VDC, 4.5 A
Operating Temperature Range: -20 to 50 °C (-4 to 122 °F)
Environmental Operating Conditions: Tested to IP55 for dust and water ingress.
Dimensions: 18.1 cm D × 28 cm L × 10.2 cm T (7.125” × 11” × 4”)
Weight: 31 kg (14.05 lbs.)
2-meter cable and tube
LI-COR part number: 8100-704
Length: 2 m (6.6')
15-meter chamber cable and tube
LI-COR part number: 8150-705
Length: 15 m (49')
Volume: 237 cm3
Long-term chamber: 8100-104
Chamber Volume: 4076.1 cm3
Soil Area Exposed: 317.8 cm2 (49.3 in.2)
Dimensions: 48.3 cm L × 38.1 cm W × 33.0 cm H (19" × 15" × 13")
Weatherproof Rating: Tested to IEC IP55 standard
Air temperature thermistor
Operating Range: –20 to 45 °C
Accuracy: ± 0.2 °C from 0 to 50 °C, ± 0.3 °C from -20 to 0 °C
Weight: 5.9 kg (13 lb.)
Clear long-term chamber: 8100-104C
Chamber Volume (serial numbers 2024 and below): 4076.1 cm3
Chamber Volume (serial numbers 2025 and above): 3876.1 cm3
Soil Area Exposed: 317.8 cm2 (49.3 in.2)
Dimensions: 48.3 cm L × 38.1 cm W × 33.0 cm H (19" × 15" × 13")
Weatherproof Rating: Tested to IEC IP55 standard
Air temperature thermistor
Operating Range: –20 to 45 °C
Accuracy: ± 0.2 °C from 0 to 50 °C, ± 0.3 °C from -20 to 0 °C
Weight: 5.9 kg (13 lb.)
Multiplexer accessories
The following accessories are for use with the LI-8150 Multiplexer for long-term measurements.
ECH2O model EC-5 soil moisture probe
LI-COR part number: 8150-202
Sensor type: Dielectric sensor
Sensor length: 5.5 cm (2.25")
Cable length: 4.6 m (15')
Operating temperature range: -40 to +50 °C
LI-COR soil temperature thermistor
LI-COR part number: 8150-203
Sensor type: Thermistor
Sensor length: 6 cm (2.375")
Cable length: 1.8 m (6')
Operating temperature range: -20 to +50 °C
Delta-T ML2x ThetaProbe soil moisture probe
LI-COR part number: 8150-204
Sensor length: 6 cm (2.375")
Cable length: 2 m (6.6')
Operating temperature range: 0 to +70 °C
GS1 soil moisture sensor
LI-COR part number: 8150-205
Sensor type: Dielectric sensor
Sensor length: 5.2 cm (2")
Cable length: 5 m (16')
Operating temperature range: -40 to +50 °C