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158/250 Dry-block / Liquid Bath Calibrator

158/250 Dry-block / Liquid Bath Calibrator
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158/250 Dry-block / Liquid Bath Calibrator

Product catalog summary
Overview: This document is a specification sheet for the RTC-158 and RTC-250 Reference Temperature Calibrators by JOFRA, detailing their advanced features for precise temperature calibration.
Specifications:
  • High Accuracy: Achieves accuracy down to ±0.04°C using external reference sensors with 4-wire True-Ohm-Measurement technology.
  • Stability: Offers excellent stability at 0.01°C.
  • Temperature Range: RTC-158 operates from -22 to 155°C, and RTC-250 from 28 to 250°C.
  • Temperature Homogeneity: Features a unique active dual-zone block for uniform temperature distribution.
  • Dynamic Load Compensation (DLC): Ensures perfect temperature uniformity, especially for large or multiple sensors (B and C models only).
  • Intelligent Reference Sensors: Equipped with intelligent plugs for plug-and-play calibration.
  • USB Communication: Facilitates easy communication via USB port.
Features:
  • Dual Functionality: Can be used as both liquid bath and dry-block calibrators.
  • Multi-hole Inserts: Accommodates various sensor sizes, enhancing versatility.
  • Easy-to-Read Display: Features a 5.7” full-color VGA display for clear visibility of calibration data.
  • Lightweight Design: Designed for portability without compromising quality.
  • Enhanced Calibration Speed: Increased heating and cooling speeds by up to 25%.
Models:
  • RTC-A: Basic reference temperature calibrator.
  • RTC-B: Includes input for reference sensor, DLC sensor, and sensors-under-test.
  • RTC-C: Includes input for reference sensor and DLC sensor.
Advantages:
  • Liquid Bath Configuration: No need for insertion tubes, suitable for various sensor types including glass thermometers.
  • Dry-Block Configuration: No hazardous liquids, easier handling, and consistent sensor positioning.
Additional Features:
  • Intelligent Recalibration Information: Alerts users when calibration certificates are expired.
  • Auto-Stepping and Work Orders: Allows programming of temperature steps and standalone operation for advanced calibration routines.
  • Calibration of Multiple Sensors: Capable of calibrating up to 24 sensors simultaneously with the ASM multi-scanner.
Conclusion: The RTC-158 and RTC-250 are sophisticated temperature calibrators offering high accuracy, stability, and versatility, suitable for a wide range of industrial applications.
Instrument Setup and Features: The RTC calibrator allows for complete instrument setups, storing various parameters such as temperature units, stability criteria, and sensor configurations. Users can set maximum and minimum temperature limits to prevent sensor damage and drift. The calibrator can operate silently, beneficial in quiet environments, and includes a SYNC output for stable operation signaling.
JOFRACAL Calibration Software: JOFRACAL software facilitates easy calibration of temperature and pressure sensors, integrating with JOFRA instruments. It supports manual data entry and storage for later analysis, and allows for calibration procedures to be stored and used on-site without a computer.
DLC Functionality: The Dynamic Load Compensation (DLC) system enhances calibration by ensuring temperature homogeneity, allowing for simultaneous calibration of multiple sensors and compensating for sensor production tolerances. The DLC sensor provides feedback to maintain minimal temperature differences within the insert.
USB Connectivity: The RTC calibrator features a USB connection for easy communication and firmware upgrades, eliminating the need for converters and supporting future expansions.
Temperature Performance: The RTC series uses active dual-zone heating technology for precise temperature calibration, ensuring homogeneity similar to laboratory liquid baths. The DLC system further improves performance by compensating for load variations.
Specifications: The document provides detailed specifications for the RTC-158 and RTC-250 reference temperature calibrators. The dimensions and weights for shipping both with and without the carrying case are specified. The insert dimensions and materials are also detailed, emphasizing the use of JOFRA inserts for optimal performance.
Accessories: Various accessories are available, including a carrying case with an integrated trolley system for easy transportation, and a support rod set for sensor positioning during calibration. Additional parts such as thermocouple male plugs and silicone oil are listed.
Model Variants: Three model versions (A, B, and C) are described, each with different features and included items. Model B and C include additional sensor inputs and certificates.
Functional Comparison: All models feature dual-zone heating/cooling, USB communication, and programmable temperature settings. Models B and C offer additional functionalities like external precision reference sensor input and load compensation.
Ordering Information: The document provides a comprehensive guide to ordering, including base model numbers, power supply options, and insert types. It also details optional features like Dynamic Load Compensation and various calibration certificates.
Company Information: AMETEK Test & Calibration Instruments offers a range of products under various brands, including JOFRA Calibration Instruments and Lloyd Instruments. Contact information for AMETEK offices worldwide is provided.
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Catalog excerpts

158/250 Dry-block / Liquid Bath Calibrator-1

Reference Temperature Calibrator Down to ±0.04°C using the external reference sensor. 4-wire True-Ohm-Measurement technology is used » Excellent stability 0.01˚C » Wide temperature range » Excellent temperature homogeneity id bath for liqu use Both -block nd dry a Unique active dual-zone block ensures good temperature homogeneity in the calibration zone Patent Dynamic Load Compensation g! Perfect temperature uniformity in the pendin Liquid Bath insert, even when calibrating large sensors or many sensors at a time. B and C models only » Temperature uniformity indicator Shows the degree of temperature uniformity in the insert when using the new DLC technology. B and C models only In combination with the stirrer the newly developed sensor basket ensures virtually zero axial and radial gradients in the calibration zone » Intelligent reference sensors JOFRA reference sensors are supplied with intelligent plugs, holding the calibration data (coefficients) of the reference sensor. This is a truly plug’n’play calibration system AMETEK continues to develop new techniques to improve performance, accuracy, convenience and functionality of the well-known JOFRA calibration products. By doing so, we maintain our position as the leading worldwide manufacturer of temperature dry-block calibrators. Advantages of the combined liquid bath/dry-block calibrator Calibration of many sensors at a time due to more space for example in connection with validation of many thermocouples, which saves time • Automatic calibration of as many as 24 sensors at a time For customers, who only want to use liquid baths For calibration of odd sizes and shapes of sensors including sanitary sensors WET = no need for inserts, that fit the sensors DRY = more space for calibration of special sensors Industries who need to calibrate many sensors at a time or short sensors can benefit from the big well JOFRACAL software and RTC B-models can handle on-line calibration and documentation of multiple sensors calibrated simultaneously All RTC calibrators communicate via an easy-to-use USB port Best performing dry-block with regard to the EURAMET/cg-13/v.01 guideline for testing of dry-blocks ISO 9001 Manufacturer Specification Sheet, SS-RTC-158/250

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158/250 Dry-block / Liquid Bath Calibrator-2

We are proud to introduce our new top model RTC (Reference Temperature Calibrator) series, which is even more sophisticated than any existing calibrators. The RTC offers many new fantastic features, such as: • Patent pending DLC, Dynamic Load Compensation system, for perfect temperature uniformity in the insert • Unique intelligent sensors for plug’n’play connection • USB connector for communication • Easy-to-read color VGA display with perfect overview of the actual status • Intuitive, fast and user-friendly navigation • Lightweight and easy to carry around • New functional carrying case design...

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158/250 Dry-block / Liquid Bath Calibrator-3

These inserts have holes for both the DLC and two reference sensors (4 mm and 1/4”). These holes are marked for correct use. Intelligent reference sensors With this multi-hole insert in the carrying case the user is able to calibrate all the most commonly known sensor sizes. The JOFRA STS-200 intelligent reference sensor as well as the new DLC sensor are both containing all individual calibration data regarding the sensor. Firstly, this means that the time-consuming coefficient downloading sequence with risk of errors is no longer necessary. Secondly, the user can change the reference sensor...

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158/250 Dry-block / Liquid Bath Calibrator-4

The new integrated support rod is part of the reduced weight philosophy. It is lightweight and very easy to mount on the RTC. Two fixing holes are integrated in the calibrator where the support rods can be mounted. The support rod is especially useful in bath calibration. Special designed carrying case AMETEK has designed an all-in-one carrying case. We have now made it possible to store both the STS reference sensors and the DLC sensor in the carrying case with an optimum physical protection. There is room for inserts, insulation plugs and calibration oil as well as compartments for the new...

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158/250 Dry-block / Liquid Bath Calibrator-5

Instrument setups The RTC series allows the user to store up to ten (10) complete instrument setups. You may store all sorts of information including temperature units, stability criteria, use of external reference sensors, resolutions, sensors-under-test (SUT), conversions to temperature, display contrasts, etc. The setup may be recalled at any time. Maximum and minimum temperature From the setup menu, the user can select the maximum and minimum temperature limit for the calibrator. This function prevents damage to the sensor-under-test caused by excessive temperatures and it helps reducing...

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158/250 Dry-block / Liquid Bath Calibrator-6

Unique temperature performance The RTC series of calibrators provides precision temperature calibration of sensors, whatever the type or format. This is accomplished through an innovative active dualzone heating technology. The RTC-series features our well-known active dual-zone heating technology. Each heating zone is independently controlled for precision temperature calibration. The homogeneity in the lower part is close to that of a laboratory liquid bath. The lower zone ensures optimum heat dissipation throughout the entire calibration zone. The upper zone compensates for heat loss from...

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158/250 Dry-block / Liquid Bath Calibrator-7

INSERTS AND LIQUID BATH KIT Undrilled inserts for RTC-158/250 Inserts, undrilled Insert Code1 Undrilled insert Undrilled insert with DLC Undrilled insert with DLC and reference sensor 4 mm and 1/4 in Note 1: Use the insert code when ordered as the standard insert together with a new calibrator. Metric (mm) Multi-hole inserts for RTC-158/250 Spare part no. for multi-hole inserts - metric (mm) Instruments Insert code 1 M01 Note 1: Use the insert code when ordered as the standard insert together with a new calibrator. Imperial (Inch) Multi-hole inserts for RTC-158/250 Spare part no. for multi-hole...

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158/250 Dry-block / Liquid Bath Calibrator-8

FUNCTIONAL SPECIFICATIONS INPUT SPECIFICATIONS Temperature range All input specifications apply to the dry-block of the calibrator running at the respective temperature (stable plus an additional 20 minute period). RTC-158 @ ambient @ ambient @ ambient RTC-250 @ ambient @ ambient @ ambient Accuracy (model B & C) with external STS ref. sensor All input specifications are valid for RTC-158 and RTC-250. 12-month period. Relative to reference standard. Specs by use of the external STS-200 reference sensor. Excl. sensor drift. Note 1: True ohm measurement is an effective method to eliminate errors...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.