Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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User's Manual Technical Drawing
The MI-2H0 has a hand-held meter, attached via cable, that displays and stores sensor measurements. The unique geometry of the sensor gives a wide 32° half-angle field of view in the horizontal direction with a 13° half-angle field of view in the vertical direction. This enables the user to mount the sensor at shallower angles without seeing above the horizon while maximizing the area measured. The sensor has a response time of 0.6 seconds. Typical applications include plant canopy temperature measurement for use in plant water status estimation, road surface temperature measurement of determination of icing conditions, and terrestrial surface (soil, vegetation, water, snow) temperature measurement in energy balance studies.
The meter has a sample and log mode, and will record an average daily value. Sample mode will record up to 99 manual measurements. Log mode will power the meter on/off to make a measurement every 30 seconds. Every 30 minutes the meter will average the sixty 30 second measurements and record the averaged value to memory. The meter can store up to 99 averages, once full it will start to overwrite the oldest measurement with new ones. An average daily value will be recorded from the 48 averaged measurements (making a 24 hr period). Sample and log measurements can be reviewed on the LCD display or by downloading the data to a computer, however, the average daily value can only be viewed by downloading the data to a computer. Downloading data to a computer requires the AC-100 communication cable (a standard USB cable will not work) and ApogeeAMS software. Comes with a free protective carrying case.
MI-2H0 Drawing
| Calibration Uncertainty (-30 to 65 C) | ± 0.3 C, when target and detector temperature are within 20 C |
| Calibration Uncertainty (-40 to 80 C) | ± 0.5 C, when target and detector temperature are different by more than 20 C |
| Measurement Repeatability | ± 0.1 C |
| Stability (Long-term Drift) | Less than 2 % change in slope per year when germanium filter is maintained in a clean condition |
| Response Time | 0.6 s, time for detector signal to reach 95 % following a step change; meter firmware averaging results in a 3 s response for digital output on meter screen |
| Field of View | 32 ? horizontal half-angle, 13 ? vertical half-angle |
| Spectral Range | 8 to 14 μm atmospheric window |
| Operating Environment | 0 to 50 C, less than 90 % non-condensing relative humidity up to 30 C, less than 70 % non-condensing relative humidity from 30 to 50 C |
| Meter Dimensions | 126 mm length, 70 mm width, 24 mm height |
| Sensor Dimensions | 23 mm diameter, 60 mm length |
| Mass | 270 g (with radiation shield) |
| Cable | 2 m of four conductor, shielded, twisted-pair wire with santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions), additional cable available |
| Warranty | 4 years against defects in materials and workmanship |
| Manufactured | Made in the USA |
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