Specifications

Mobile device requirements

• Apple devices: Compatible with iOS versions 4.0 to 14.8. Not compatible with iOS versions newer than 14.8.
• Android devices: Compatible with devices with ARMv7 CPU architecture. Not compatible with CPU architectures common to newer devices.

You can continue to use the LI-8100A with a computer or tablet that is connected directly to the LI-8100A Analyzer Control Unit with an Ethernet cable or over a wireless network. You also can continue to use the LI-8100App on any older iOS or Android device that has a compatible operating system and architecture.

Wireless: 802.11b/g.

Analyzer control unit

Memory: 32 MB flash memory total (18 MB for data collection)

CompactFlash: Type I industrial grade, 1 GB with adapter sleeve included

Wireless PC Card: Fixed wireless networking Type II PC Card. Cisco Systems Aironet® 350 Series 11 Mbps DSSS for Wi-Fi (802.11b) networking

RS-232

Signal output rate: 1 Hz

Baud rate: 57,600 bps (instrument software <V4.0), 38,400 (instrument software V4.0 or greater)

Pressure Sensor

Measurement Range: 15-115 kPa

Accuracy: 1.5% over 0 to 85 °C

Maximum Gas Flow Rate: 1.7 liters/min (permanently affixed to max.)

Power Requirements

Auxiliary Input Voltage: 10.5-28 VDC

Battery Input Voltage: 10.5-15 VDC

3A @ 12V (36W) maximum usage during warm-up with heaters on 1A @ 12V (12W) average usage after warm-up with heaters on

Operating Range

Temperature: –20 °C to 45 °C

Relative Humidity: 0 to 95% RH, non-condensing

Weatherproof Rating: Tested to IEC IP55 standard

Dimensions: 29 cm L × 38.1 cm W × 6.5 cm H (11.4" × 15" × 6.5")

Weight: 5.3 kg (11.8 lb.) without battery; 6.7 kg (14.8 lb.) with battery

Battery Weight: 1. 4 kg (3.0 lb.)

Infrared Gas Analyzer

Measurement Principle: Non-Dispersive Infrared

Traceability: Traceable to WMO standards for CO₂.

NIST traceable LI-610 Portable Dew Point Generator for H₂O

CO₂

Measurement Range: 0-20,000 ppm

Accuracy: 1.5% of reading

Calibration Drift

Drift at 0 ppm: <0.15 ppm/°C and <1 ppm/day

Span Drift1 Residual error after zero correction: < 0.03 %/°C

Total Drift at 370 ppm: <0.4 ppm/°C

RMS Noise at 370 ppm with 1 sec signal averaging: <1 ppm

Sensitivity to water vapor: < 0.1 ppm CO₂/mmol/mol H₂O

H₂O

Measurement Range: 0-60 mmol/mol

Accuracy: 1.5% of reading

Calibration Drift

Drift at 0 ppt: <0.005 mmol/mol/°C and <0.1 mmol/mol/day

Span Drift¹: <0.006 mmol/mol/°C

Total Drift at 10 ppt: <0.016 mmol/mol/°C

RMS Noise at 10 ppt with 1 sec signal averaging: <0.01 mmol/mol

Sensitivity to CO₂: <0.0001 mmol/mol H₂O/ppm CO₂

Auxiliary sensor interface

Dimensions: 10.2 cm L × 3.8 cm W × 6.4 cm H (4" × 1.5" × 2.5")

Inputs: 4 Thermocouple channels (Type E, J, T, or raw)

4 General input channels (0-5 VDC)

Power Out: 0-5 VDC

Power In: 10.5-28 VDC

Connections: Terminal strip with screw posts

10 cm survey chamber: 8100-102

Chamber Volume: 835.2 cm³

Soil Area Exposed: 83.7 cm² (13 in.²)

Dimensions: 15.2 cm L × 15.2 cm W × 25.4 cm H (6" × 6 " × 10")

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

Cable length: 1. 01 m (40")

Weight: 1.6 kg (3.5 lb.)

20 cm survey chamber: 8100-103

Chamber Volume: 4824 cm³

Soil Area Exposed: 317.8 cm² (49.3 in.²)

Dimensions: 28.7 cm L × 28.7 cm W × 29.2 cm H (11.3" × 11.3" × 11.5")

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

Cable length: 1. 01 m (40")

Weight: 2.9 kg (6.4 lb.)