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LogTag TREL-8 Low Temperature External Probe Data Logger
- External Probe with high quality gold plated connector
- Records temperature from +40°C to as low as -90°C.
- Versatile, wide range, multi-trip temperature logger.
- 8000 readings memory capacity with up to 3 years battery life.
- ‘OK’ & ‘ALERT’ Indicator with high and low customizable alarms.
The TREL-8 Low Temperature Remote Probe Logger measures and stores up to 8000 temperature readings over -90°C to +40°C (-130°F to +104°F) measurement range from associated interchangeable LogTag® ST10 type remote probe temperature sensor (available in lengths up to 3 meters (9’10”).
It is intended for use in monitoring of articles stored at low temperatures such as in dry ice type environments. Using the LogTag® Interface Cradle and LogTag’s freely available companion software LogTag® Analyzer.
TREL-8 is easily configured for recording conditions including delayed start, sampling interval, number of readings and configuration of conditions to activate the ALERT indicator. Readings are downloaded using LogTag® Analyzer which provides facilities for charting, zooming, listing data statistics and allows exporting the data to other applications such as Excel.
The Red Alert indicator provides an immediate indication, without access to a PC, if any readings are outside the limits specified at the time the unit was configured. Green OK indicator provides immediate visual confirmation, without access to a PC, that the unit is operating.
(Silica sand recommended for temperatures below -40ºC for Buffer Assembly)
Buffer bottle & Silica Sand is not included
Specifications
| Product Model | TREL-8 |
| External Sensor Measurement Range | -90°C to +40°C (-130°F to +104°F). |
| Operating Temperature Range | -20°C to +40°C (-4°F to +104°F). |
| Storage Temperature Range | -10°C to +55°C (14°F to +131°F). |
| Rated Temperature Reading Accuracy | With the logger case sitting in an environmental temperature between 0°C and 50°C: Better than ±1°C (±1.8°F) for -30°C to +20°C (-22°F to +68°F). Better than ±1.2°C (±2.1°F) for -45°C to -30°C (-49°F to -22°F) and +20°C to +40°C (+68°F to +104°F). Better than ±1.7°C (±3.1°F) for -80°C to -45°C (-112°F to -49°F). Better than ±2.0°C (±3.6°F) for -90°C to -80°C (-130°F to -112°F). Actual performance is typically much better than the rated values. Accuracy figures can be improved by recalibration. |
| Rated Temperature Reading Resolution | 0.1°C (0.2°F) for measurements -80°C to 0°C (-112°F to 32°F). 0.2°C (0.4°F) for measurements 0°C to 18°C (32°F to 64.4°F) and -90°C to -80°C (-130°F to -112°F). 0.3°C (0.5°F) for measurements 18°C to 30°C (64.4°F to 86°F). 0.5°C (0.9°F) for measurements 30°C to 40°C (86°F to 104°F). LogTag Analyzer® currently displays to one decimal place of °C or °F. The native resolution is what is stored in the LogTag®. |
| Sensor Reaction Time | Typically less than 2 minutes (T90) in moving air (1m/s) for ST10S type. |
| Recording Capacity | 8031 temperature readings. 53 days @ 10min logging, 80 days @ 15min logging. |
| Sampling Interval | Configurable from 30 seconds to several hours. |
| Logging Start Options | Push button start with optional start delay or specific date & time. |
| Recording Indication | Flashing ‘OK’ indicator / flashing ‘ALERT’ indicator. |
| Download Time | Typically less than 5 seconds for full memory (8031 readings), depending on computer or readout device used. |
| Environmental | IP61. |
| Power Source | CR2450 3V LiMnO2 Battery (Fixed). |
| Battery Life | Storage life of 1 year before ‘start’ (if it is hibernation mode), followed by: 2 – 3 years of normal use (based on 15 minute logging, download data monthly). |
| Real Time Clock | Built-in real time clock. Rated accuracy ±25ppm @ 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). |
| Standard Remote Sensor Cable Length | Standard: 0.5m (19”). Extended: 3m (9’10”) (recommended maximum). |
| Remote Sensor Cable Type | PTFE (FDA food contact rated) coaxial. |
| Size | 86mm(H) x 54.5mm(W) x 8.6mm(T). |
| Weight | 34g. |
| Case Material | Polycarbonate. |
All returns must be authorized by Spectra Services in order to insure proper credit and must be requested within 30 days of purchase. All returns are subject to a minimum 15% restocking charge. For returns not due to error on behalf of Spectra Services, the customer is responsible for all transportation fees related to the returned product. To ensure proper credit, each product return must include the following information:
- Customer name and address
- Purchase order number
- Spectra Services shipping order number
- Date of invoice
- Item number of returned item(s)
- Spectra Services return authorization number (RMA)
- Reason for return
Non-Returnable Goods
Unfortunately, Spectra Services is unable to accept the following returns at this time:
- Products not in completely resalable condition (including products with damaged, missing, or defaced labeling or packaging
- Chemicals, reagents, diagnostics, sterile, or any controlled products (unless products do not meet specification
- Laboratory apparatus or instruments that have been used or are without the original packaging, labeling and operating manuals
- Refrigerated products or other perishables
- Products which are not inventoried by Spectra Services and are not able to be returned to the manufacturer
- Products purchased on a special order
- Products not purchased from Spectra Services
- Products with an expired shelf life or an expiration date too short for resale
- Discontinued products
Spectra Services reserves the right to review this policy on a case-by-case basis.
Pre-Owned Products
Upon receipt of the pre-owned product(s), the customer has one week to evaluate the product to ensure it meets their expectations. If for some reason the customer decides to return the product, they may do so at any point during those seven (7) days for a full refund. No restocking fee will be assessed, however, the customer is responsible for the return shipping costs. Full credit will be issued upon receipt and inspection of the item(s) to ensure equipment was returned in the same condition it was initially shipped out in.
Important Information
All exchanges and returns require the completion of a Return Merchandise Authorization (RMA) form. Once completed, please return the merchandise immediately as the RMA number is only active for ten (10) days from the date of issuance.
Charges associated with returning items are the responsibility of the customer unless the item(s) arrived defective, damaged, or incorrect.
Spectra Services highly recommends that return packages be insured for full value and packaged securely to prevent shipping damage.
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