Ametek Jofra STS050A350DF Probe, Pt100 Reference Sensor, -50 to 400 °C
$529.00
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Ametek Jofra STS050A350DF Probe, Pt100 Reference Sensor, -50 to 400 °C
$529.00
Ametek Jofra STS050A350DF Probe
Overview
The STS-050 A series is built for industrial temperature calibration where low drift and long-term stability matter. The Pt100 element is a suspended pure platinum coil embedded in ultra-clean ceramic inside an Inconel 600 sheath, which minimizes hysteresis and drift.
AMETEK anneals and ages each sensor over several days and verifies stability before final calibration, so the sensor keeps a small uncertainty budget between recalibration intervals. It works with AMETEK DTI, PTC, RTC, HPC, ATMi and ASC series calibrators and indicators.
Features
- Pt100 reference sensor, -50 to 400 °C (-58 to 752 °F)
- 4 mm diameter, 350 mm straight length
- 1 m cable with REDEL connector (RTC/PTC/DTI050)
- Repeatability 0.005 °C, hysteresis 0.01 °C
- Typical long-term stability 0.014 °C
- Fast response: 8 s (τ0.5), 26 s (τ0.9)
- Inconel 600 sheath, 4-wire connection
- Traceable calibration certificate -45 to 400 °C included
Applications
- Reference standard for dry-block and liquid-bath calibration
- Temperature measurement with JOFRA calibrators and DTI indicators
- Verification of industrial temperature sensors
What's in the Box
- STS-050 A sensor with handle
- Traceable calibration certificate (-45 to 400 °C)
- 1 m REDEL cable
- User manual
- Carton box
Ametek Jofra STS050A350DF Probe Technical Specifications
| Temperature range | -50 to 400 °C (-58 to 752 °F) |
|---|---|
| Sensor type | Pt100, 100 Ω @ 0 °C, 4-wire |
| Temperature coefficient | α100 = 0.00385 /°C |
| Sheath diameter | 4 mm (0.16 in) |
| Sheath length | 350 mm (13.8 in), straight |
| Minimum immersion depth | 100 mm (3.94 in) |
| Repeatability @ 0 °C | 0.005 °C (0.009 °F) |
| Hysteresis @ 0 °C | 0.01 °C (0.02 °F) |
| Long-term stability | Typ. 0.014 °C after 100 h @ 400 °C |
| Response time | τ0.5 = 8 s, τ0.9 = 26 s |
| Self-heating effect | 0.06 °C/mW |
| Outer tube | Inconel 600 |
| Insulation resistance | 100 GΩ @ 23 °C |
| Cable / connection | 1 m REDEL connector for RTC/PTC/DTI050 |
Manufacturer information: STS Series reference sensors on ametekcalibration.com (PDF).