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PosiTest® OTL

Oven Temperature Logger

Measures and records oven temperature profiles

  • Measures and records up to 40,000 datasets (240,000 readings) into 6 independent batches
  • High temperature stainless steel barrier box with fiberglass insulation for long run times at high temperatures. Contains no silicone.
  • 6 K-type thermocouple ports (channels)
  • NEW Cure Index compares supplier's cure specifications to actual oven and part temperatures to ensure a proper cure
  • Download, view, and analyze batch data using PosiSoft Desktop Software. Export .CSV files for easy import into spreadsheets.
  • Wide variety of probes available with 1.8, 3.6, or 6 m (6', 12', or 20') stainless steel braided cables (sold separately)

Features

Simple

  • Simple, easy-to-use interface
  • 6 K-type thermocouple ports (channels)
  • Measures and records up to 40,000 datasets (240,000 readings) into 6 independent batches
  • Records measurements every 2 seconds for up to 22 hours of recording time
  • Download, view, and analyze batch data using PosiSoft Desktop Software. Export .CSV files for easy import into spreadsheets.
  • NEW Cure Index compares supplier's cure specifications to actual oven and part temperatures to ensure a proper cure
  • Bright LEDs indicate logger status at a glance
  • High temperature stainless steel barrier box with fiberglass insulation for long run times at high temperatures. Contains no silicone.
  • Certificate of calibration showing traceability to NIST included

Specifications

Channels

6 K-type non-grounded thermocouples

Thermocouple Measurement Range

-100 to 1000°C

-148 to 1832°F

Logger Accuracy

±0.5° C

±0.9° F

Resolution

0.1° C

0.1° F

40,000 Datasets. Each Dataset consists of up to 6 channels.

Memory
Sample Interval

2 seconds (Fixed)
Maximum recording time is 22 hours

Power Source

2 AAA batteries

Battery Life

30 hours (recording time)

Size

30.5 x 25.5 x 15 cm
(12" x 10" x 6")

Weight*

9 kg (20 lbs.)

* Weight includes the PosiTest OTL Holder, and Barrier Box. Holder XT increases weight to 11 kg (25 lbs.)
Image of the complete PosiTest OTL kit

LOGGER KITS COME with temperature logger, stainless steel high temperature barrier box, choice of holder, 6 engraved probe ID tags, two AAA batteries, instructions, Long Form Certificate of Calibration traceable to NIST, carrying case, USB cable, PosiSoft Desktop software, and two year warranty.

LOGGER ONLY COMES with temperature logger, two AAA batteries, instructions, Long Form Certificate of Calibration traceable to NIST, USB cable, PosiSoft Desktop software, and two year warranty.

Kits

Two PosiTest OTL Kits available...

The PosiTest OTL is available in two kit configurations or as a standalone logger. The PosiTest OTL XT features an enhanced holder with heatsink for greater endurance at high temperatures.

Line graph comparing the thermal curve of the PosiTest OTL and PosiTest OTL XT
PosiTest OTL Kit
PosiTest OTL XT Kit
Temperature
PosiTest OTL
(OTLKIT)
PosiTest OTL XT
(OTLKITXT)
150° C (302° F)
90 minutes
300 minutes
200° C (392° F)
65 minutes
200 minutes
250° C (482° F)
50 minutes
140 minutes
300° C (572° F)
not recommended
100 minutes

The chart and table above represent the combined thermal characteristics of the PosiTest OTL, Barrier Box and choice of Holder/Holder XT.

PosiTest DFT Ferrous

PosiTest OTL Kit

OTLKIT
with Holder
View PDFAdd to Instant Quote
Green check graphic denoting that an item is in stock
In Stock
Same-day shipping if ordered by 2PM EST
PosiTest DFT Ferrous

PosiTest OTL XT Kit

OTLKITXT
with Holder XT
View PDFAdd to Instant Quote
Green check graphic denoting that an item is in stock
In Stock
Same-day shipping if ordered by 2PM EST

Logger Only

Temperature
PosiTest OTL Logger Only
(OTLLOGGER)
PosiTest OTL without
Holder or Barrier Box
0 to 70° C
32 to 158° F
PosiTest DFT Ferrous

PosiTest OTL Logger Only

OTLLOGGER
View PDFAdd to Instant Quote
Green check graphic denoting that an item is in stock
In Stock
Same-day shipping if ordered by 2PM EST

Temperature Probes

  • Wide variety of surface and air temperature probes available with 1.8, 3.6, or 6 m (6', 12', or 20') stainless steel braided cable (not included). See the Temperature Probes page for details.
  • Certificate of Calibration showing traceability to NIST included
View All Temperature Probes
Image showing the different types of k-type Temperature probes offered for the PosiTest OTL. Clockwise from left to right reads the following: Clamp Surface Probe, Magnetic Surface Probe, Washer Surface Probe, Magnetic Air Probe, Clamp Air Probe.
Washer Surface Probe
Clamp Surface Probe
Magnetic Surface Probe
Magnetic Air Probe
Clamp Air Probe

PosiSoft Desktop

FREE powerful desktop software (PC/Mac) for downloading, viewing, printing, and storing measurement data.

Add supplier cure schedule specifications, batch annotations, label individual channels, set threshold temperatures, and compare datasets to reference batches.

Includes a customizable, templated PDF Report Generator. No internet connection required.

Assign names to each channel and view Cure Index, Time above Temperature, and other statistics
Customizable PDF Report Generator—add custom cover pages and logos, and choose to display images, charts, histograms, and/or readings
Annotate—add notes and images to document probe placement and other observations
Reference Batch—store optimal cure reference profiles to compare measurement results
NEW Cure Index calculates the correct time at temperature based on supplier's cure specifications to ensure a proper cure
Learn More about PosiSoft Desktop

F.A.Q.

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Does the PosiTest OTL Oven Temperature Logger require any formal training for use? Do you offer ‘demo’ models?

No. The PosiTest OTL is designed for simple operation and features an easy-to-use interface.In lieu of demonstration models, we provide unlimited technical support via telephone and/or email.

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Is the PosiTest OTL calibrated at the factory?

The PosiTest OTL arrives fully calibrated and ready to measure. A Long-Form Certificate of Calibration traceable to NIST is included, which documents actual readings taken by your instrument at our calibration laboratory on standards traceable to a national metrology institute. Beware of ‘Certificates’ or ‘Certificates of Conformance’ offered by competitors. These typically do not include actual instrument readings, and are often insufficient to meet common quality requirements.

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How often should the PosiTest OTL be recalibrated?

The PosiTest OTL and K-type thermocouple Temperature Probes are calibrated at the factory — with no expiry or end date. They have no shelf life; therefore the length of time in use is not a good indicator for recalibration intervals.

Many organizations with quality programs and recertification programs require annual recalibrations, and this is a good starting point for most users. DeFelsko recommends that customers establish calibration intervals based upon their own experience and work environment. Based on our product knowledge, data, and customer feedback, a one year calibration interval from the date the instrument was placed in service is a good starting point.

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Can PosiTest OTL temperature probes be re-certified?

No. Due to the lengthy calibration process, it is more economical for the PosiTest OTL temperature probes to be replaced if required.

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What's the difference between the PosiTest OTL Kit and the PosiTest OTL XT Kit?

The PosiTest OTL is available in two configurations. The PosiTest OTL XT Kit features an enhanced holder with heatsink for greater endurance at high temperatures.

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What types of temperature probes are available?

A wide variety of spring clamp and magnetic temperature probes are available with either 1.8, 3.6, or 6 m (6’, 12’, or 20') stainless steel braided cables for testing air or surface temperatures. Each temperature probe includes a Certificate of Calibration traceable to NIST.

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Still need help?

Before returning your gage or instrument for service, review the troubleshooting steps on the Troubleshooting guide, or speak with a member of our technical support team by calling +1-315-393-4450.

Accessories

Temperature ProbesTemperature Probes

A wide variety of temperature probes are available for the PosiTest OTL with 1.8, 3.6, or 6 m (6', 12', or 20') stainless steel braided cables (sold separately).

Learn MoreLearn More
Probe ID TagsProbe ID Tags

Six (6) replacement engraved ID tags for PosiTest OTL temperature probes

Learn MoreLearn More

Resources

Downloads