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
This promotional package includes a SQ-500-SS full spectrum quantum sensor with 30cm cable, a micro Cache Bluetooth micro recorder, an AA-090 neoprene protective sleeve, an additional 2545 micro Cache battery and an AM-020 Apogee PVC sensor platform. After pairing, these devices are powerful tools for monitoring photosynthetically active radiation.
The new AT-100 microCache (μ Cache) micro recorder is a rugged, independent battery powered device that can collect more than 400000 data points, and use our free Apogee Connect application to connect your sensor to your iOS or Android device through Bluetooth. The application allows you to perform real-time measurements, set custom data recording intervals, monitor daylight integration and draw charts, ensure light cycles, download data sets, and more.
| Power Supply | Self-powered |
| Sensitivity | 0.01 mV per μmol mˉ2 sˉ1 |
| Calibration Factor (Reciprocal of Sensitivty) | 100 μmol mˉ2 sˉ1 per mV |
| Calibration Uncertainty | ± 5 % |
| Calibrated Output Range | 0 to 40 mV |
| Measurement Range | 0 to 4000 μmol mˉ2 sˉ1 |
| Measurement Repeatability | Less than 0.5 % |
| Long-term Drift | Less than 2 % per year |
| Non-linearity | Less than 1 % (up to 4000 μmol mˉ2 sˉ1) |
| Response Time | Less than 1 ms |
| Field of View | 180? |
| Spectral Range | 389 to 692 nm ± 5 nm (wavelegths where response is greater than 50 % of maximum) |
| Spectral Selectivity | Less than 10 % from 412 to 682 nm ± 5 nm |
| Directional (Cosine) Response | ± 5 % at 75? zenith angle |
| Azimuth Error | Less than 0.5 % |
| Tilt Error | Less than 0.5 % |
| Temperature Response | -0.11 ± 0.04 % per ℃ |
| Uncertainty in Daily Total | Less than 5 % |
| Detector | Blue-enhanced silicon photodiode |
| Housing | Anodized aluminum body with acrylic diffuser |
| IP Rating | IP68 |
| Operating Environment | -40 to 70 ℃; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m |
| Dimensions | 24 mm diameter, 37 mm height |
| Mass (with 5 m of cable) | 100 g |
| Communication Protocol | Bluetooth® Low Energy (Bluetooth 4.0+) |
| Bluetooth Range | ~45 m (line-of-sight) |
| Data Logging Capability | Averaging Interval: 1-60 minutes; Sampling Interval: ≥ 1 second |
| Data Log Capacity | Over 400,000 Entries (~9 months at a 1-minute logging interval) |
| Time Accuracy | ± 30 seconds per month at 0° C ~ 70° C |
| Battery Type | 2/3 AA 3.6 Volt Lithium Battery |
| Battery Life | ~1 year w/ 10-second sampling interval and an average of 5 minutes daily connected time; ~2 years w/ 60-second sampling interval and an average of 5 minutes daily connected time |
| Operating Environment | -40 to 85 ℃ |
| Dimensions | 66 mm length, 50 mm width, 18 mm height |
| Weight | 52 g |
| IP Rating | IP67 |
| Connector Type | M8 |
| Bluetooth Module | BMD-340 Contains FCC ID: 2AA9B10 IC: 12208A-10 |
| ADC Resolution | 24 bits |
| Warranty | 4 years against defects in materials and workmanship |
| Manufactured | Made in the USA |
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