Logmore QR data loggers are designed to suit different monitoring needs. Therefore, Guardians come in different models.
Specifications for all models
All Logmore QR data loggers have the following technical specifications. Distinct specifications of individual models are detailed below.
Water proof qualities:
- Water proof up to 30 min immersion over 1m (IP 67 protected)
- Models with external prove are IP65 protected between 0.1 °C to 20 °C
Size and weight:
- 47.9 mm × 45.4 mm × 6.1 mm
- 16g, 18g, or 23g based on model
- External probe length: 100cm
Calibrations:
- Logmore Guardians are factory calibrated
- Calibration certification accessible on Logmore Cloud for each logger
- NIST traceable
- GDP & 21 CFR Part 11 compliant
- IATA DGR Compliant
- See also ‣
Operating temperature:
- Logging: -40°C … +60°C
- Logging with external probe: -50 °C ... +150 °C or -100 °C ... +118 °C
- Screen update: 2°C … +48°C
Memory:
- up to 20 000 measurements in total
- ~2000 per QR code depending on settings
Battery:
Logmore Guardian Temperature
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👉 This Guardian is an ideal solution for long-term temperature monitoring.
</aside>
Specification |
Tags |
Note |
Sensors |
- Temperature |
|
- Ambient Light | Silicon Labs Si7055
LTR-308ALS-01 |
| Accuracy | Temperature: ±0.4 °C, maximum ±0.5 °C
Ambient Light: relative usage only | |
| Resolution | Factory configuration available
between 0.1 °C to 20 °C. | With larger volumes, the resolution can be configured to match the requirements of use case. |
| Range & Default resolution | -30.0 °C to -15.0 °C, 1.0 °C
-15.0 °C to -2.0 °C. 0.5 °C
-2.0 °C to +27.0 °C, 0.2 °C
+27.0 °C to +43.0 °C, 0.5 °C
+43.0 °C to +80.0 °C, 1.0 °C | |
Logmore Guardian Temperature & Humidity
<aside>
👉 Logmore Guardian designed for long-term temperature and humidity monitoring.
</aside>
Specification |
Tags |
Note |
Sensors |
- Temperature |
|
- Humidity
- Ambient light | Silicon Labs Si7020-A20-GM1R |
| Accuracy | Temperature: ±0.4°C, max. ±0.5 °C
Humidity: ±4%RH
Ambient light: relative usage only | |
| Resolution | Humidity: 0.1 %RH to 30.0 %RH (Default: 3 %RH)
Temperature: 0.1 °C to 20 °C | With larger volumes, the resolution can be configured to match the requirements of use case. |
| Range & Default resolution | -30.0 °C to -15.0 °C, 1.0 °C
-15.0 °C to -2.0 °C, 0.5 °C
-2.0 °C to +27.0 °C, 0.2 °C
+27.0 °C to +43.0 °C, 0.5 °C
+43.0 °C to +80.0 °C, 1.0 °C | |