Active Member
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[China]
Address: Room 504,Floor 5th,Chuangye Building, Hu-Da park,No186,Guyuan Road,High-Tech District,Changsha,Hunan ,China. (Zipcode: 410205)
Contact name:PANRAN
Changsha Panran Technology Co., Ltd. |
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High Performance Temperature Sensor Calibration Furnace With Isothermal Block
PANRAN TECHNOLOGY as a drafting unit of” JJF1184-2007 Testing Specification of Temperature Uniformity in the Thermocouple Calibration Furnaces”, PANRAN has long been committed to the research and production of thermocouple calibration furnace. Compared with KRJ series products, the PR320 series,as the latest generation calibration Furnace , has a wider temperature range and better long-term stability. Its core technology can ensure that the uniform temperature field width and other specifications exceed the relevant national verification regulations.
| No. | Name | Model | Temperature range | Furnace size | Dimension (mm) | Net Weight (kg) | Power (KW) | Isothermal block |
| 1 | Thermocouple calibration furnace | PR320A | 300~1200℃ | Φ40*600 | 700*370*450 | 26.1 | 2.5 | optional |
| 2 | Base metal thermocouple calibration furnace | PR320B | 300~1200℃ | Φ60*600 | 31.5 | 2.5 | / | |
| 3 | Sheathed thermocouple calibration furnace | PR320C | 300~1200℃ | Φ40*600 | 27.3 | 2.5 | PR1142A | |
| 4 | Thermocouple calibration furnace | PR320D | 300~1300℃ | Φ40*600 | 26.1 | 2.5 | optional | |
| 5 | Base metal thermocouple calibration furnace | PR320E | 300~1200℃ | Φ40*600 | 27.3 | 2.5 | PR1145A | |
| 6 | Short type Thermocouple calibration furnace | PR321A | 300~1200℃ | Φ40*300 | 310*255*290 | 11 | 3.0 | Optional |
| 7 | PR321C | Φ16*300 | 10.5 | 3.0 | / | |||
| 8 | PR321E | Φ40*300 | 12.4 | 3.0 | PR1146A | |||
| 9 | High temperature thermocouple calibration furnace | PR322A | 300~1500℃ | Φ25*600 | 620*330*460 | 45 | 3.0 | / |
| 10 | PR322B | 300~1600℃ | Φ25*600 | 43 | 3.0 | / | ||
| 11 | Thermocouple Annealing Furnace | PR323 | 300~1100℃ | Φ40*1000 | 1010*260*360 | 29.4 | 2.5 | / |
| Model | PR320A | PR320D |
| Application | S,R standard thermocouple,working S,R precious and base-metal thermocouple calibration (need to add PR1145A Isothermal block) | |
| Temperature range | 300~1200℃ | 300~1300℃ |
| Furnace Size | Φ40mm*600mm | |
| Temperature field center | Deviate from the geometric center does not exceed 10mm | |
| Temperature field width | The temperature difference within 80mm ≤1℃ | |
| Temperature field gradient | Add a coaxial cleaning porcelain tube of about 20mm shall be installed in the furnace,Not exceed 0.4℃/CM within ±20MM range of temperature field center | |
| Application | base-metal thermocouple calibration |
| Temperature range | 300~1200℃ |
| Furnace Size | Φ60mm*600mm |
| Temperature field center | Deviate from the geometric center does not exceed 10mm |
| Temperature field width | The temperature difference within 60mm ≤1℃ |
| Temperature range | 300~1200℃ |
| Furnace Size | Φ40mm*600mm |
| Size of Isothermal block | Size Φ8mm*7pcs, depth 90mm |
| Temperature field indicators 1 (with Isothermal block) | From the bottom of Isothermal hole, the internal temperature difference is ≤0.5 ℃ in the axial direction of 30mm, and the absolute value of the temperature difference between any holes in the same section is ≤0.25 ℃ |
| Temperature field indicators 2 (without Isothermal block) | The deviation between the center of the maximum uniform temperature field and the geometric center of the furnace along the axis is ≤10mm;Within the range of a uniform temperature field with a length of ≥60mm and a radius of 14mm, the temperature field between any two points is ≤1℃ |
| Temperature field indicators 3 (with Isothermal block, use a coaxial cleaning porcelain tube of about 20mm) | The maximum temperature point in the furnace is ≤20mm away from the geometric center of the furnace, and the maximum temperature ±20mm has a uniform temperature field with the temperature change gradient ≤0.4℃/10mm |
| Implementation standard | , |
| Standard item | PR1142A Sheathed thermocouple calibration furnace Isothermal block |
| Optional item | Coaxial cleaning porcelain tube of Φ20mm |
| Temperature range | 300~1200℃ |
| Furnace Size | Φ40mm*600mm |
| Size of Isothermal block | External Φ38mm, innerΦ28mm, depth 150mm |
| Temperature field indicators 1 (with Isothermal block) | Within the axial direction of the effective working area, the absolute value of the temperature difference between any two points is ≤0.5℃;Within the radial radius of ≥14mm, the absolute value of temperature difference between any two points on the same section is ≤0.25℃ |
| Temperature field indicators 2 (without Isothermal block) | The deviation between the center of the maximum uniform temperature field and the geometric center of the furnace along the axis is not exceed 10mm;Within the range of a uniform temperature field with a length of ≥60mm and a radius of 14mm, the temperature field between any two points is no more than 1℃ |
| Temperature field indicators 3 (with Isothermal block, but add a coaxial cleaning porcelain tube of about 20mm) | The maximum temperature point in the furnace is ≤20mm away from the geometric center of the furnace, and the maximum temperature ±20mm has a uniform temperature field with the temperature change gradient ≤0.4℃/10mm |
| Implementation standard | , |
| Standard item | PR1145A Sheathed thermocouple calibration furnace Isothermal block |
| Optional item | Coaxial cleaning porcelain tube of Φ20mm |
| Model | PR321A | PR321C | PR321E |
| Temperature range | 300~1200℃ | ||
| Furnace size | Φ40mm*300mm | Φ16mm*300mm | Φ40mm*300mm |
| Application | Short type TC | Short S,R type | Short base metal |
| Temperature field indicators | PR321A: The temperature difference within 40mm ≤1℃ PR321C: The maximum temperature deviation furnace axial geometric center shall ≤10mm, in the test deviation from the axial geometric center of 20mm, the axial temperature gradient shall ≤0.4℃/mm PR321E: Including Isothermal block: the absolute value of the temperature difference between any two points shall ≤1℃,and the absolute value of the temperature difference between any two points on the same section of the hole bottom shall ≤0.5℃, calculated from the axial direction of the hole bottom within 30mm | ||
| Implementation standard | JJG 668-1997 | Short base metal TC calibration | |
| Model | PR322A | PR322B |
| Temperature range | 300~1500℃ | 300~1600℃ |
| Furnace size | Φ25mm*600mm | Φ25mm*600mm |
| Heating material | Silicon molybdenum rod | Platinum rhodium 30 |
| Cold resistance | About 0.1Ω | About 3.5Ω |
| Max current | 50A | 16A |
| Operating voltage | 20~50V | 50~180V |
| Control cabinet | PR351 | PR352 |
| Temperature field center | Deviate from the geometric center does not exceed 20mm | |
| Temperature field indicators | the maximum temperature ±20mm has a uniform temperature field with the temperature change gradient ≤0.5℃/10mm | |
The PR322 series is equipped with a special power control cabinet:
1. Adopts patented multiple over-current protection, and is provided with power-on soft start, heating current limitation, freewheeling protection, automatic stop and other functions.
2. No manual voltage gear shift or meter adjustment is required for power-on and heating process.
3. Equipped with RS485 and RS232 dual-communication connections.
4. Configured with ZRJ series calibration system software, the functions of start/stop, real-time recording, parameter query setting, etc. can be achieved.
5. While protecting the safety of the equipment, the manual operation is greatly simplified.
| Temperature range | 300~1100℃ |
| Furnace size | Φ40mm*1000mm |
| Temperature filed center | One end of the temperature field is <100mm from the furnace |
| Temperature field width | within 40mm ≤20℃ |
(Please note seal test or open test when ordering)
