| External Sensor Measurement Range | -40°C to +99°C (-40°F to +210°F). |
| Operating Temperature Range | - -30°C to +60°C
- 0 - 99 % RH (non-condensing)
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| Storage Temperature Range | -10°C to +40°C (32°F to +104°F). |
| Rated Temperature Resolution | - Better than 0.1°C (0.2°F) for -30°C to +60°C (-22°F to +140°F).
- Better than 0.2°C (0.4°F) for -40°C to -30°C (-40°F to -22°F).
- Better than 0.5°C (0.9°F) for +60°C to +99°C (+140°F to +210°F).
- LogTag Analyzer currently displays to one decimal place of °C or °F. The native resolution is what is stored in the LogTag®.
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| Rated Temperature Reading Accuracy | - Better than ±0.5°C (±0.9°F) for -20°C to +40°C (-4°F to +104°F), typically ±0.3°C (0.6°F).
- Better than ±0.8°C (±1.4°F) for -40°C to -20°C (-40°F to -4°F), typically ±0.5°C (0.9°F).
- Better than ±0.8°C (±1.4°F) for +40°C to +70°C (+104°F to +158°F), typically ±0.7°C (1.3°F).
- Better than ±1.2°C (±2.2°F) for +70°C to +99°C (+158°F to +210°F), typically ±1°C (1.8°F).
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| Probe Connectivity | Up to 2 |
| Probe Compatibility | - All ST100 precision thermistor external probes can be interchangeably connected to the UTRED30-16.
- Please refer to the Accessories section for compatible External Probes. Different probe models can be used for each channel. Not compatible with ST10 sensors.
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| Sensor Reaction Time | Typically less than 2 minutes(T90) in moving air (1m/s) for ST100S type |
| Recording Capacity | - 32,000 total log memory. Provides 16,000 temperature readings per channel.
- Day summary statistics memory (for display on LCD): up to 30 days of Min/Max/duration and alarm trigger statistics.
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| Sampling Interval | Configurable from 30 seconds to 18 hours. (Typically 5 minute logging) |
| Alarms | - Up to 6 individually configurable alarms for each channel.
- Possible to set alarms separately for Channel 1 and Channel 2.
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| Logging Start Options | Push button start or specific date & time. Optional start delay. |
| Download Time | Typically with full memory (32,000 readings) in less than 20 seconds. |
| Environmental | IP61 (when vertically mounted or hung with USB dust-cap in place). |
| Power Source | 5V via micro USB socket or 2 x 1.5V AAA batteries. CR2032 LiMnO2 coin cell (backup logging function only). |
| Battery Life | AAA battery up to 12 months - if unit is operated without power supply. |
| Real Time Clock | - Built-in real time clock.
- Typical accuracy ±25ppm at 25°C (equivalent to 2.5 seconds/day).
- Rated temperature coefficient is -0.034 ±0.006ppm/°C (I.e typically +/- 0.00294 seconds/day/°C).
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| Connection Interface | USB 2.0 / Micro USB Socket. |
| Standard Remote Probe Cable Lengths | - Standard: 1.5m (4'11").
- Extended: 3m (9'10") (recommended maximum).
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| Remote Probe Cable Type | PTFE (FDA food contact rated) coaxial. |
| Size | 141mm(H) x 72mm(W) x 18mm(T). |
| Weight | 156g with AAA batteries, (132g - excluding probe and AAA batteries). |
| Case Material | Polycarbonate. |
