Ametek Jofra RTC-700 Reference Temperature Calibrator
Triple-zone heating technology provides precise temperature calibration of any type temperature sensor.
Overview
Features
- Accurate to ±0.11°C using the external reference sensor
- 4-wire True-Ohm-Measurement technology
- Excellent stability: 0.008°C
- Wide temperature range: 33 to 700°C
- Unique active triple-zone block for improved temperature homogeneity
- Dynamic Load Compensation for perfect temperature uniformity in the insert
- Display indicator for temperature uniformity
- Intelligent reference sensors hold the calibration data (coefficients) of the reference sensor
- USB communication
- High speed heating and cooling times
- Best performing dry-block with regard to the EURAMET/cg-13/v.01 guideline for testing of dry-blocks
Description
The Ametek Jofra RTC-700 is an advanced reference temperature calibrator that offers high performance along with a full range of features. The Ametek Jofra RTC-700 has a wide temperature range and provides precise temperature calibration of sensors, regardless of type and format, through an innovative triple-zone heating technology.
The Ametek Jofra RTC-700 has a temperature range of 33° to 700°C (91° to 1292°F). The unit has three heating zones, each of which is independently controlled for precise temperature calibrations. The homogeneity of the lower zone is close to that of a laboratory liquid bath. The lower and middle zones ensure optimum heat dissipation throughout the entire calibration zone. The upper zone compensates for heat loss from the sensor- under- test as well as from the open top. This eliminates the need for extra insulation of sensors-under-test and makes it possible to calibrate liquid-filled and other sensors.
The RTC-700 offers a further improvement on this technology with its Dynamic Load Compensation (DLC) sensor which measures the temperature in the calibrator's insert and provides feedback to the active triple-zone system to compensate for the temperature differences resulting from testing various sensors. This allows the RTC-700 to perform highly accurate temperature calibrations without being affected by the size and number of sensors under test. The RTC-700 also offers other innovative features such as intelligent sensors for plug ‘n' play connectivity, an easy-to-read full-color VGA display, and a USB connection for improved communications and software downloads.
The Ametek Jofra RTC-700 reference temperature calibrator is 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-700 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-700 features a rugged, lightweight design and inserts that cover most commonly used sensor sizes. A unique design allows the units to calibrate threaded sensors and sensors with connection heads.
The Ametek Jofra RTC-700 (models A, B and C) ships complete with the following:
- Mains power cable
- Traceable calibration certificate (temperature performance)
- Tool for insertion tubes
- JOFRACAL software
- USB cable
- Heat shield
- 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)
Model C contains the following extra items:
- Traceable certificate (input performance for reference sensor and DLC sensor)
Ametek Jofra RTC-700 Temperature Calibrator Specifications:
| Parameter | Range | ||
|---|---|---|---|
| Temperature Range | @ 0°C ambient | 10 to 700°C | |
| @ 23°C ambient | 33 to 700°C | ||
| @ 40°C ambient | 50 to 700°C | ||
| Accuracy | With external ref. sensor (models B&C) | ±0.11°C | |
| With internal ref. sensor | ±0.29°C | ||
| Stability | @ 33° to 125°C | ±0.008°C | |
| @ 125° to 425°C | ±0.015°C | ||
| @ 425° to 700°C | ±0.02°C | ||
| Axial Homogeneity (@ 60 mm) | @ 33° to 100°C | 0.10°C | |
| @ 100° to 420°C | 0.25°C | ||
| @ 420° to 700°C | 0.40°C | ||
| Resolution | All temperatures | 1°, 0.1°, 0.01°, or 0.001° | |
| Heating Time | 33° to 700°C | 45 minutes | |
| Cooling Time | 155 to 100°C | 4 minutes | |
| 700° to 100°C | 43 minutes | ||
| 100° to 50°C | 17 minutes | ||
| 50° to 33°C | 20 minutes | ||
| Time to Stability | 10 minutes | ||
| Immersion Depth | 200 mm | ||
| Input Specifications | RTD reference input | See data sheet for complete specifications | |
| DLC sensor input | See data sheet for complete specifications | ||
| RTD sensor under test | See data sheet for complete specifications | ||
| Thermocouple input | See data sheet for complete specifications | ||
| Transmitter Supply | Output voltage | 24 VDC ±10% | |
| Output current | Maximum 28 mA | ||
| Transmitter Input mA (B Model) | Range | 0 to 24 mA | |
| Accuracy (12 months) | ±(0.005% rdg + 0.010% F.S.) | ||
| Voltage Input VDC (B Model) | Range | 0 to 12 VDC | |
| Accuracy (12 months) | ±(0.005% rdg + 0.010% F.S.) | ||
| Switch Input (B Model) | Test voltage | Maximum 5 VDC | |
| Test current | Maximum 2.5 mA | ||
| Communications Interface | Serial data | USB 2.0 device port | |
| Serial data | USB 2.0 host double port (for future expansion) | ||
| LAN | Ethernet MAC 10/100 Base-T (for future expansion) | ||
| SD | SD slot (for future expansion) | ||
| Inserts | Outer diameter | 29.8 mm | |
| Length | 210 mm | ||
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