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Home > Calibrators > Ametek Jofra RTC-157 ( -45˚C to 155˚C) Reference Temperature Calibrators
Ametek Jofra RTC-157 ( -45˚C to 155˚C) Reference Temperature Calibrators
 Ametek RTC-156 & RTC-157 Reference Temperature Calibrators Digital Temperature Display DLC & External Reference Sensors Multi-Hole Insert USB & Ports Solid Protective Carrying Case with Trolley    |
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Price: From $17,068.00 to $19,993.00
Manufacturer: AMETEK/JOFRA
Choose Your Model
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Options
Power supply (US deliveries 60 Hz only)
Mains power cable type
Insert type and size
External Reference Sensor (Optional full & middle models only)
Calibration Certificate
Accessories
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Ametek RTC-156 (-30˚C to 155˚C) & RTC-157 ( -45˚C to 155˚C) Reference Temperature Calibrators
NEW!! JofraCloud Option for any RTC or PTC Calibrator.
Dual-zone heating technology and dynamic load compensation for superior temperature homogeneity
The Ametek RTC-156 and RTC-157 reference temperature calibrators combine Ametek's unparalleled experience with temperature calibration with cutting edge technological features creating the most sophisticated dry block temperature calibrators on the market.
The Ametek RTC-156 and RTC-157 reference temperature calibrators are available in three configurations: RTC-A reference temperature calibrator, RTC-B reference temperature calibrator with input for reference sensor, DLC sensor and sensors-under-test, and RTC-C reference temperature calibrator with input for reference sensor and DLC sensor. The RTC-156 and RTC-157 can be used without an external reference sensor. However, users will obtain better accuracies and realize the calibrator's full potential by utilizing the STS-200 reference sensor. Both the STS-200 and DLC sensors contain all individual calibration data regarding the sensor, allowing users to change the reference sensor and be up and running immediately.
The RTC-156 and RTC-157 feature a rugged, lightweight design and multi-hole inserts that cover most commonly used sensor sizes.
NEW!! JofraCloud Option for any RTC or PTC Calibrator
JofraCloud is a new way to perform remote reading and setting of our temperature calibrators over an unlimited distance. JofraCloud is a gateway that has transmission coverage equal to a smartphone.
The data is presented as a copy of the calibrators display, and can be viewed at jofracloud.com. The webpage is accessible via a browser on any device - PC, laptop, tablet, or smartphone.
The gateway can be attached to any RTC or PTC calibrator and reads data from the calibrator every 2 seconds.
* Remote Setpoints – Select a new temperature setpoint on your calibrator using your device.
* Documented Stability Reporting – When the calibrator reaches the set temperature and gains stability, an emailed report will be sent to your controlling device.
* On Demand Reporting – Generate a timestamped emailed report at any time.
* When using JofraCloud from your PC, you can get an audible notification when the calibrator reaches stability.
* Control and communicate up to 5 calibrators simultaneously with a single Gateway.
* Print a timestamped PDF as documentation.
High accuracy Down to ±0.04°C using the external reference sensor. 4-wire True-Ohm-Measurement technology is used.
Excellent stability 0.005˚C
Wide temperature range RTC-156 from -30 to 155°C (-22 to 311°F)
RTC-157 from -45 to 155°C (-49 to 311°F)
Improved temperature homogeneity Unique active dual-zone block ensures good temperature homogeneity in the calibration zone
Dynamic Load Compensation (DLC) Perfect temperature uniformity in the insert, even when calibrating large sensors or many sensors at a time. B and C models only
Display indicator for temperature uniformity Shows the degree of temperature uniformity in the insert when using the new DLC technology. B and C models only
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
USB communication All RTC calibrators communicate via an easy-to-use USB port
EURAMET Best performing dry-block with regard to the EURAMET/cg-13/v.01 guideline for testing of dry blocks
The Ametek RTC-156 and RTC-157 reference temperature calibrators combine Ametek's unparalleled experience with temperature calibration with cutting edge technological features creating the most sophisticated dry block temperature calibrators on the market.
The Ametek RTC-156 and RTC-157 reference temperature calibrators are available in three configurations: RTC-A reference temperature calibrator, RTC-B reference temperature calibrator with input for reference sensor, DLC sensor and sensors-under-test, and RTC-C reference temperature calibrator with input for reference sensor and DLC sensor. The RTC-156 and RTC-157 can be used without an external reference sensor. However, users will obtain better accuracies and realize the calibrator's full potential by utilizing the STS-200 reference sensor. Both the STS-200 and DLC sensors contain all individual calibration data regarding the sensor, allowing users to change the reference sensor and be up and running immediately.
The RTC-156 and RTC-157 feature a rugged, lightweight design and multi-hole inserts that cover most commonly used sensor sizes.
The Ametek RTC-156 and RTC-157 (models A, B and C) ship complete with the following:
- Mains power cable
- Traceable calibration certificate (temperature performance)
- Tool for insertion tubes
- JOFRACAL software
- USB cable
- Set of rubber cones for insulation plugs
- Manuals
Model B contains the following extra items:
- Test cables (2 x red, 2 x black)
- Traceable certificate (input performance for reference sensor and DLC sensor)
- Traceable certificate (input performance for sensor-under-test inputs)
Application Kit for calibration of sanitary sensors in RTC-156 B & C
* Complete STS102 application kit for RTC-156
- Including: STS102A030EH, Recalibration Tube, Manual,
5-Pack Undrilled Flange Insertion Tubes with Cable Groove, Carrying Case
Model C contains the following extra items:
- Traceable certificate (input performance for reference sensor and DLC sensor)
Functional Comparison
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| Dual-zone heating/cooling block
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| MVI - Mains Variance Immunity (or similar)
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| Stability indicator
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| Automatic step function
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| USB communication
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| Display resolution 0.001˚
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| Programmable max. temperature
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| SYNC output (for external recording device)
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| Calibration of short sensors in special insert
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| External precision reference sensor input
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| External precision DLC reference sensor input
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| “SET” follows “TRUE”
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| Load compensation functionality
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| Input for RTD, TC, V, mA
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| 4-20 mA transmitter input incl. 24 VDC supply
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| All inputs scalable to temperature
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| Automatic switch test (open, close and hysteresis)
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| Download of calibration work orders from PC
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| Upload of calibration results (as found & as left)
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Temperature range
RTC-156
@ ambient temp. 0°C/32°F.........-46 to 155°C/-51 to 311°F
@ ambient temp. 23°C/73°F.......-30 to 155°C/-22 to 311°F
@ ambient temp. 40°C/104°F..... -15 to 155°C/ 5 to 311°F
RTC-157
@ ambient temp. 0°C/32°F.........-57 to 155°C/-71 to 311°F
@ ambient temp. 23°C/73°F.......-45 to 155°C/-49 to 311°F
@ ambient temp. 40°C/104°F.....-31 to 155°C/-24 to 311°F
Accuracy (model B & C) with external STS ref. sensor
RTC-156 B & C.......................................... ±0.04°C/±0.07°F
RTC-157 B & C.......................................... ±0.04°C/±0.07°F
12-month period. Relative to reference standard. Specifications by use of the external JOFRA STS-200 reference sensor
Accuracy with internal reference sensor
RTC-156 A, B & C...................................... ±0.10°C/±0.18°F
RTC-157 A, B & C...................................... ±0.10°C/±0.18°F
Stability
RTC-156................................................±0.005°C/±0.009°F1)
RTC-157................................................±0.005°C/±0.009°F1)
Measured after the stability indicator has been on for 15 minutes. Measuring time is 30 minutes.
Radial homogeneity (difference between holes)
RTC-156..........................................................0.01°C/0.02°F
RTC-157..........................................................0.01°C/0.02°F
Resolution (user-selectable)
All temperatures .......................1° or 0.1° or 0.01° or 0.001˚
Heating time
RTC-156 -30 to 23°C/-22 to 73°F.................. 4 minutes
23 to 155°C/73 to 311°F............... 15 minutes
RTC-157 -45 to 23°C/-49 to 73°F.................. 7 minutes
23 to 155°C/73 to 311°F................. 8 minutes
Cooling time
RTC-156 155 to 100°C/311 to 212°F............. 4 minutes
100 to 23°C/212 to 73°F................. 8 minutes
23 to -24°C/73 to -11°F................ 15 minutes
-24 to -30°C/-11 to -22°F............. 10 minutes
RTC-157 155 to 100°C/311 to 212°F............. 5 minutes
100 to 23°C/212 to 73°F............... 10 minutes
23 to -30°C/73 to -22°F................ 17 minutes
-30 to -45°C/-22 to -49°F............. 25 minutes
Time to stability (approx.)
RTC-156.............................................................. 10 minutes
RTC-157.............................................................. 10 minutes
Immersion depth
RTC-156........................................................ 160 mm/6.3 in
RTC-157........................................................ 160 mm/6.3 in
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Don't have Reader?
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Price: From $19,829.00 to $23,105.00
RTC-158 has a temperature range of -22° to 155°C (-8° to 311°F). Combining dry-block and liquid bath technology, the RTC-158 are designed to calibrate oddly sized and shaped sensors or multiple sensors at once.
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Price: From $32,190.00 to $34,801.00
The most versatile temperature calibrator available with a temperature range that makes it especially ideal for use in the health care, medical, pharmaceutical, biotechnology and food industries.
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Price: From $15,194.00 to $18,502.00
Offers high performance along with a full range of features. Has a wide temperature range and provides precise temperature calibration of sensors, regardless of type and format, through an innovative triple-zone heating technology.
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