Data Sheet

All specifications are subject to change without notice. All sales subject to standard terms and conditions.

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©2023 Ashcroft Inc. S01_RTD_Thermo_Insert_ds_RevB_03-30-23

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KEY BENEFITS

• Flexible designs for critical applications.

• Fast response times

DESCRIPTION

The sensors incorporated in these inserts are with a mineral

insulation metal sheath. They can be of two types: resistance

temperature detectors (RTDs) or thermocouples (TCs). In each

case, the sensor supplies an electrical signal corresponding to

the temperature. Integral DIN style terminal block and transmitter

designs. The travel of this spring mounting assures best thermal

conductivity, compensation of length tolerances in thermowells

and protection against vibration. When mounted in thermowells,

inserts can be simply replaced, without removing the thermowell

from the pipe and without any process interruption.

TYPICAL USES

n For industrial applications used for probe

replacements

n Special designs for intrisically safe and

non-incendive application

(1) Absolute temperature in °C

Thermocouples (IEC 60584-2)

Type J

Type K

Type E

Type N

Class 1

±1.5 °C or

±0.0040*|t|(1)

±1.5 °C or

±0.0040*|t|(1)

±1.5 °C or

±0.0040*|t|(1)

±1.5 °C or

±0.0040*|t|(1)

Class 2

±2.5 °C or

±0.0075*|t|(1)

±2.5 °C or

±0.0075*|t|(1)

±2.5°C or

±0.0075*|t|(1)

±2.5 °C or

±0.0040*|t|(1)

Class 3

N/A

±2.5 °C or

±0.0040*|t|(1)

±2.5 °C or

±0.0150*|t|(1)

±2.5 °C or

±0.0150*|t|(1)

Thermocouples (ANSI MC 96.1)

Type J

Type K

Type E

Type N

Standard

±2.2 °C or

±0.0075*|t|(1)

±2.2 °C or

±0.0075*|t|(1)

±1.7 °C or

±0.0050*|t|(1)

±2.2 °C or

±0.0040*|t|(1)

Special

±1.1 °C or

±0.0040*|t|(1)

±1.1 °C or

±0.0040*|t|(1)

±1.0 °C or

±0.0075*|t|(1)

±1.1 °C or

±0.0040*|t|(1)

RTD

TC grounded

TC ungrounded

Ceramic terminal block

or transmitter :

Size DIN B

Diam. 42 mm

Screw spring : 33 mm

Screw thread : M4 x 1.5

Spring travel : 8 to 10 mm

SPECIFICATIONS

Ashcroft Series:

S01

Insert Stem Diameter:

1

⁄8˝, 3⁄16˝, ¼˝, 3 mm, 4.5 mm, 6 mm, 8 mm

Stem Length:

Minimum: 50 mm/2 in

Maximum: 3 m/120 in

Sensor Type &

Measuring Range

RTDs Platinum 385

Pt 100 -200 to 600 °C

Pt 1000 -40 to 600°C

Thermocouples

Type J -40 to 750 °C

Type E -200 to 800 °C

Type K -200 to 1000 °C

Type N -200 to 1000 °C

Wiring Configuration:

RTDs single or dual

2 Wire

3 Wire

4 Wire

Thermocouples

2 Wire single or dual

Accuracy Class

RTD's (IEC 60751)

Class A: ±(0.15 + 0.0020 |t|)

Class B: ±(0.30 + 0.0050 |t|)

Class AA: ±(0.10 + 0.0017 |t|)

S01 RTD & Thermocouple Inserts

of 5

1

S01 RTD & Thermocouple Inserts