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Home / Uncategorized / Ametek Jofra RTC-158 & RTC-250 Reference Temperature Calibrator
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Ametek Jofra RTC-158 & RTC-250 Reference Temperature Calibrator

$11.00 $10.00

Ametek-Jofra Reference Temperature Calibrators RTC-158 (-22 to 155°C/-22 to 311°F) & RTC-250 (28 to 250°C/82 to 482°F) Both a Liquid & Dry Block Calibrator

The Ametek JOFRA RTC-158 & RTC-250 provide precision temperature calibration of sensors, whatever the type or format. The RTC calibrators has an increased heating and cooling speed compared to all other calibrators. Heating and cooling speed has been increased by up to 20%.

SKU: RTC-158 Category: Uncategorized
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Product Description

Ametek-Jofra Reference Temperature Calibrators RTC-158 (-22 to 155°C/-22 to 311°F) & RTC-250 (28 to 250°C/82 to 482°F) Both a Liquid & Dry Block Calibrator

Ametek_RTCThe RTC-series features our Ametek Jofra-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 the sensor-under-test and from the open top. This design also eliminates the need for extra insulation of sensors-under-test and makes it possible to calibrate liquid-filled and other mechanical sensors. The RTC family can meet any type of industrial temperature calibration need within the -100 to +700°C (-148 to 1292°F) temperature range.

Data Sheet Ametek-Jofra_RTC158_250 Email for Quote  sales@atequip.com

DLC – Dynamic Load Compensation

To bring our Ametek  documented active dualzone technology to an even higher level, Ametek has developed the patent pending new DLC system.
This newly developed unique feature makes it possible to perform top calibration specifications without being affected by the actual load e.g. many sensors or very big sensors. A new DLC sensor, Dynamic Load Compensation sensor has been specially developed for this purpose.  The RTC calibrator features the active dual zone temperature control which improves the homogeneity in the Ametek by adjusting the temperature in the top of the Ametek to the same temperature as in the bottom. The dual zone keeps this difference at a minimum.
The new DLC sensor improves the homogeneity even more by controlling the homogeneity not only in the Ametek , but also inside the insert, where the sensors under-test are placed during calibration. The DLC sensor measures the temperature homogeneity in the insert and provides feedback to the active dual-zone system, which now compensates the temperature difference to a minimum inside the insert. In this way, the DLC function makes the homogeneity independent of the different loads of the insert.

Model Number Ordering System

The Ametek Jofra model number system consists of 2 choices of M0dels Numbers, 3 choices of Model Versions, 2 Choices of Main Power, 9 different available Power Cords, 8 types of Inserts, 1 DLC Sensor, 3 STS Reference Sensors, 7 calibration types and 3 Accessory choices. A representative P/N is RTC158B230ASMDLCR2EACT which translates to JOFRA RTC-158, B with 230VAC, EU power cord, set of metric inserts, DLC, STS-200 ref. sensor, full EA temp.calibration certificate, and carrying case with trolley. The total number of available model numbers is then 2x3x2x9x8x1x3x7x3=54432 P/N’s. It borders on impractical to list all of the available  models so please contact ATEquip for a price and delivery quotation.  Refer to the part numbering system list on the datasheet to construct the exact RTC calibrator of your choice.

MSRP Prices start at $11,395  and are offered at significant discount prices by ATEquip

Liquid Bath versus Dry-Bock Kit

The basic advantages of the liquid bath configuration versus
the dry-block configuration are as follows:
•     You do not need insertion tubes for all your different
types of sensors
•     You can calibrate sensors, which do not fit into
insertion tubes
•     You can calibrate glass thermometers and gas or liquid
filled sensors
•     You are ready to calibrate right away no matter what
sensor you may have

Datasheet Ametek-Jofra_RTC158_250 Email for Quote  sales@atequip.com

Stability
RTC-158 ………………………………………….. ±0.01°C/±0.018°F
RTC-250 ………………………………………….. ±0.02°C/±0.036°F

Radial homogeneity (difference between holes)
RTC-158 @ -22°C/-8°F, Block …………………..0.03°C/0.05°F
RTC-158 @ 155°C/311°F, Block ………………..0.05°C/0.09°F
RTC-158 @ range, Bath ………………………….0.015°C/0.03°F
RTC-250 @ range, Block …………………………..0.05°C/0.09°F
RTC-250 @ range, Bath ………………………….0.015°C/0.03°F

Heating time
RTC-158 -22 to 23°C/-8 to 73°F ………………. 9 minutes
23 to 100°C/73 to 212°F ………….. 23 minutes
100 to 155°C/212 to 311°F ………. 28 minutes
RTC-250 28 to 100°C/82 to 212°F ……………. 3 minutes
50 to 100°C/122 to 212°F ………….. 2 minutes
100 to 250°C/212 to 482°F ………… 9 minutes

Cooling time
RTC-158 155 to 100°C/311 to 212°F ………… 9 minutes
100 to 23°C/212 to 73°F ………….. 24 minutes
23 to 0°C/73 to 32°F ……………….. 15 minutes
0 to -15°C/32 to 5°F ……………….. 21 minutes
RTC-250 250 to 100°C/482 to 212°F ………. 27 minutes
100 to 50°C/212 to 122°F ………… 27 minutes
50 to 28°C/122 to 82°F ……………. 28 minutes

Datasheet Ametek-Jofra_RTC158_250 Email for Quote  sales@atequip.com

 

 

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