| Range Temperature Sensor | -40 to 65 °C (-40 to 149 °F) |
| Accuracy Temperature Sensor | ±0.2 °C (typical) within -40 to 65 °C |
| Resolution Temperature Sensor | 0.008°C (.014 °F) |
| Drift Temperature Sensor | <0.01°C (0.018°F) per year |
| Range RH Sensor | 0 to 100% RH, -40° to 65 °C (-40° to 149 °F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1% |
| Accuracy RH Sensor | ±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% RH and above 90% RH ±5% typical |
| Resolution RH Sensor | 0.01% RH |
| Drift RH Sensor | <1% per year typical |
| Range PAR Sensor | 0 to 3,000 μmol/m²/s (full sunlight) |
| Accuracy PAR Sensor | ±5% typical (LI-COR LI-190R factory calibration) |
| Offset PAR Sensor | +/-1 μmo |
| Resolution PAR Sensor | 0.1 μmol/m²/s |
| Spectral Range PAR Sensor | 400–700 nm (PAR waveband) |
| Linearity PAR Sensor | Maximum deviation of 1% up to 3,000umol/m2 /s |
| Stability PAR Sensor | <= 2% change over one year |
| Temperature Dependence PAR Sensor | ±0.15% per ˚C maximum |
| Cosine Correction PAR Sensor | Cosine corrected up to 82˚ angle of incidence |
| Azimuth PAR Sensor | <±1% error over 360˚ at 45˚ elevation |
| Tilt PAR Sensor | No error induced from orientation |
| Detector PAR Sensor | High stability silicon photovoltaic detector (blue enhanced) |
| Sensor Housing PAR Sensor | Weatherproof anodized aluminum case with acrylic diffuser and stainless steel hardware. O-ring seal on the sensor base. |
| Sensor Size PAR Sensor | 2.36 cm diameter x 3.63 cm (095” x 1.43”) |
| Cable Length PAR Sensor | 1.8 m |
| Operating Range Logger | -40 to 65 °C (-40 to 149 °F) |
| Radio Power Logger | 0.4mW (-4 dBm) |
| Transmission Range Logger | Approximately 30.5 m (100 ft) line-of-sight |
| Wireless Data Standard Logger | Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate Logger | 1 second to 18 hours |
| Logging Modes Logger | Fixed interval (normal, statistics) or burst |
| Memory Modes Logger | Wrap when full or stop when full |
| Start Modes Logger | Immediate, push button, date & time, or next interval |
| Stop Modes Logger | When memory is full, push button, date & time, or after a set logging period |
| Time Accuracy Logger | ±1 minute per month 0° to 50°C (32° to 122°F) |
| Battery Type Logger | 2/3 AA 3.6 Volt lithium, user replaceable |
| Battery Life Logger | 2 years, typical with logging interval of 1 minute and Bluetooth Always On enabled; 5 years, typical with logging interval of 1 minute and Bluetooth Always On disabled. |
| Memory Logger | 195,000 measurements, maximum |
| Full Memory Download Time Logger | Approximately 4-5 minutes; may take longer the further the device is from the logger |
| Dimensions Logger | Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.) LI-190R: 2.36 cm diameter × 3.63 cm (0.93 × 1.43 in.) |
| Weight Logger | Logger: 149 g (5.26 oz) |
| Materials Logger | Acetal, silicone gasket, stainless steel screws |
| Environmental Rating Logger | NEMA 6 and IP67 |