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PQ-100X Package: microCache and Original X Quantum with 30 cm cable
Original Apogee Instruments package combining the AT-100 microCache Bluetooth micro-logger with the SQ-100X-SS quantum sensor for research-grade PAR/PPFD monitoring.
PQ-100X Package: microCache and Original X Quantum Sensor
The PQ-100X is an original Apogee Instruments promotional package that includes an SQ-100X-SS Original X quantum sensor with a 30 cm cable, an AT-100 microCache Bluetooth micro-logger, an AA-090 protective neoprene case, an extra 2545 microCache battery, and an AM-020 Apogee sensor platform.
Combining the SQ-100X sensor and microCache provides a powerful tool for monitoring photosynthetically active radiation with research-grade accuracy for optimal plant growth. The SQ-100X sensor is Apogee's trusted standard for accurate PPFD measurements.
AT-100 microCache Bluetooth micro-logger
The AT-100 microCache is a rugged, standalone, battery-powered micro-logger. It can collect over 400,000 data points and connects the sensor to iOS or Android devices via Bluetooth Low Energy using the ApogeeConnect app.
The app supports real-time measurements, custom sampling and logging intervals, daily light integral monitoring and graphing, photoperiod checks, dataset downloads, and field data management.
Main functions
- Real-time data: transmission to iOS and Android devices with the Apogee Connect app.
- Rugged housing: IP67 rating for harsh environments.
- Datalogging mode: stores over 400,000 entries, approximately 9 months at a 1-minute logging interval, with programmable sampling and logging intervals.
- High-resolution readings: processor with a 24-bit analog-to-digital converter.
- Warranty and support: 4-year warranty against defects in materials and workmanship.
Included official documentation
- AT-100 microCache product manual.
- SQ-100X-SS product manual.
- microCache specification sheet.
- microCache technical drawing.
Technical specifications
| Reference | PQ-100X |
| Manufacturer | Apogee Instruments |
| Power Supply | Self-powered sensor, battery-powered logger |
| Sensitivity | 0.1 mV per umol m-2 s-1 |
| Calibration Factor (Reciprocal of Sensitivity) | 10 umol m-2 s-1 per mV |
| Calibration Uncertainty | +/- 5 % |
| Calibrated Output Range | 0 to 250 mV |
| Measurement Repeatability | Less than 0.5 % |
| Long-term Drift (Non-stability) | Less than 2 % per year |
| Non-linearity | Less than 1 % up to 2500 umol m-2 s-1 |
| Response Time | Less than 1 ms |
| Field of View | 180 degrees |
| Spectral Range | 370 to 650 nm, wavelengths where response is greater than 50 % of maximum |
| Directional (Cosine) Response | +/- 5 % at 75 degrees zenith angle |
| Temperature Response | -0.04 % per C |
| Operating Environment | Sensor: -10 to 60 C; 0 to 100 % relative humidity; submersible in water to 30 m. Logger: -40 C to 80 C |
| 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, approximately 9 months at a 1-minute logging interval |
| Time Accuracy | +/- 30 seconds per month at 0 C to 70 C |
| Battery Type | 2/3 AA 3.6 V lithium battery |
| Battery Life | ~1 year with 10-second sampling interval and average 5 minutes daily connected time; ~2 years with 60-second sampling interval and average 5 minutes daily connected time |
| Dimensions | Sensor: 24 mm diameter, 33 mm height; Logger: 66 mm length, 50 mm width, 18 mm height |
| Mass of Data Logger | 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 | Assembled in the USA |
| Source | Apogee Instruments, product page and official manuals/specification documents. |
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