Matched pair of resistance thermometers, PRTDM 201

Matched pair of resistance thermometers, PRTDM 201

These units are designed for temperature difference measurement, and also for heat carrier temperature measurement in heat meters and other heat energy control units in open and close heat supply systems.

Technical characteristics

mounting elements are designed for nominal (rated) pressure 1.0 MPa

response time does not exceed
16 s  –  for insertion part diameter equal to 6,0 mm;
20 s  –  for insertion part diameter equal to 8,0 mm

protection sheath material    S10  –  steel 12Cr18Ni10Т

Temperature range

Type of

Type of TC

TC tolerance
class

temperature difference
measurement range, °С

operating temperature
range, °С

PRTDM

100P, Pt100, Pt500

А, В

3 to 155

0 to 160

Execution options

Insertion length L: 80, 100, 120, 160, 200, 250, 320 mm.
Extension lead length lshould be selected within the range: 2000; 3150; 5000; 8000 mm

Type

Design
modification

Fitting
thread, М

Type of TC

Cl

Diameter
d, mm

Insertion
length, L, mm

modification

typical
version*

min

max

PRTDM

201

-010

М12х1.5,
М16х1.5,
G 1/2¢¢

100P, Pt100, Pt500

А4, В4, В2

6.0

80

320

202

-064

А4, В4

4, 6, 8, 10

* – see Appendix for version description.

Examples of product designation

PRTDM 20х-ХХХ- ХХХ - TC - Cl. -d - L ( /l)

PRTDM 201-010 - G1/2" - 100P - В4 - 6 - 320 – matched pair of platinum resistance thermometers, modification 201-010 with polymeric terminal head, threaded fixed fitting G1/2", calibration 100P, TC tolerance class В, 4-wire configuration, outer diameter 6 mm, insertion length 320 mm.
PRTDM 202-064 - М16 - Pt100 - В4 - 6 - 320/2000 – matched pair of platinum resistance thermometers, modification 202-064 with extension lead in PTFE insulation threaded mounting fitting М16х2, calibration Pt100, TC tolerance class В, 4-wire configuration, outer diameter 6 mm, insertion length 320 mm, extension lead 2000 mm.

At the time of order it is recommended to specify actual minimum heat carrier operating temperature and minimum measuring temperature difference.