300°C Working standard PRTs

Model WSP300 PRTs feature wire wound RTD elements assembled into stainless steel or Inconel probes. The WSP300 series has excellent accuracy and long-term stability. They can be used as working standard in calibrating other temperature sensors. Available in standard models and custom design.

Specifications

Resistance at 0°C:
100 Ω or custom design
Temperature range:
-200 - 300°C
Temperature coefficient:
0.003850 or 0.003925 minimum
Stability:
R0 typical drift < 0.001°C after
1,000 hours at 300°C
Thermal shock:
R0 typical drift < 0.001°C after
100 times from 25 to 300°C
Dimensions:
0.188" and 0.25" dia. x 12" L standard, custom sizes available

How to order

WSP300

Model number

A

Tolerance at 0°C:

A = ± 0.06%, IEC DIN class A

B = ± 0.12%, IEC DIN class B

120

Probe length:

120 = 12.0 inches

Specify in 0.5" increment

N4

Number of leads:

N4 = 4 leads

L36

Lead wire length in inches

L36 = 36 inches

Sample part number: WSP300A120N4L36

News

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Specialty of product

Excellent long term stability and wide temperature range is the specialty of ASP RTDs and PRTs.

How to Order

ASP accepts major credit cards order.