500°C Working standard PRTs

Model WSP500 PRTs feature wire wound RTD elements, assembled into stainless steel or Inconel probes. WSP500 series have excellent accuracy and long-term stability. They can be used as working standard for dry well calibrators and other applications. Available in standard models and custom design.

Specifications

Resistance at 0°C:
100 Ω or custom design
Temperature range:
-250 -500°C
Temperature coefficient:
0.003850 Ω/Ω/°C or 0.003925 Ω/Ω/°C minimum
Stability:
R0 typical drift < 0.008°C after
500 hours at 500°C
Thermal shock:
R0 typical drift < 0.005°C after
100 times from 25 to 500°C
Dimensions:
0.188" and 0.25" dia. x 12" L standard, custom sizes available

How to order

WSP500	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: WSP500A120N4L36

Applications

ASP products are widely used in industrial process control and laboratory metrology.

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.