Ametek Jofra PTC660A
$5,470.00
The Ametek Jofra PTC660A is a high-performance dry-block temperature calibrator engineered for precise temperature calibration of industrial sensors, RTDs, thermocouples, and mechanical sensors. Featuring advanced dual-zone heating technology, this unit delivers exceptional stability, homogeneity, and accuracy up to 660°C (1220°F) — ideal for demanding calibration labs and field environments.
Ametek Jofra PTC660A Dry-Block Temperature Calibrator.
Product Overview
The Jofra PTC-series is known worldwide for delivering laboratory-grade calibration capability in a portable platform. The PTC660A model combines high-speed heating and cooling, intelligent reference sensor compatibility, and advanced temperature control for reliable and efficient sensor calibration.
Ametek’s active dual-zone heating system ensures superior thermal uniformity, minimizing temperature gradients and allowing precise calibration even for liquid-filled and mechanical sensors. The system constantly monitors calibration due dates, ensuring compliance with ISO, SOP, and FDA requirements.
The PTC660A includes USB connectivity for seamless PC interface, data logging, firmware upgrades, and future-ready communication support.
Key Features
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Temperature range: 33 to 660°C (91 to 1220°F)
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High accuracy: ±0.11°F (±0.06°C)
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Fast heat-up/cool-down cycle
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Intelligent reference sensor support (STS-150)
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Superior temperature stability & homogeneity
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Color display & intuitive navigation
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USB communication & firmware upgrade capability
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Auto-stepping and switch-test function (with B-model)
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Includes metric insert set (3mm to 15mm) and protective case
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Ideal for calibration labs, pharmaceutical facilities, energy plants, aviation, and industrial maintenance environments where precision and compliance are critical.
Technical Specifications
| Parameter | Specification |
|---|---|
| Temperature Range | 33 to 660°C / 91 to 1220°F |
| Stability | ±0.04°C / ±0.072°F |
| Radial Homogeneity | 0.1°C / 0.18°F |
| Power Supply | 230V EU |
| Heating Time | 33 to 660°C in ~20 min |
| Cooling Time | 660 to 100°C in ~36 min |
| Insert Set | 13 metric inserts, 3–15 mm |
| Immersion Depth | 150 mm |
| Communication | USB 2.0 |
| Weight | 8.9 kg (19.6 lb) |
Included Items
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PTC660A dry-block calibrator (Basic model without input)
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230V EU power cable
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13-piece metric insert kit (3–15mm)
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Traceable calibration certificate
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USB manual & JofraCal software
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USB cable
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Heat shield
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Insert tool
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Protective carrying case
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Instruction manual
Reviews
Returns Policy
We accept returns within 30 days of delivery. To qualify, items must be unused, in their original condition, and returned with all original packaging and accessories.
Once we receive and inspect the returned item, we will process your refund within 7 business days. Refunds will be issued to the original payment method.
Please note: Shipping costs are non-refundable unless the return is due to a defective or incorrect item.











by Ravi Kumar