Matched pair of resistance thermometers, PRTDM 300

Matched pair of resistance thermometers, PRTDM 300

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.

Pair of resistance thermometers PRTDM 300 can be completed with thermowell UNKJ 011 or UNKJ 012

Technical characteristics

response time does not exceed  16 s

Thermowell material
S10  –  steel 12Cr18Ni10Т;  
Br  –  brass

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 mm.
Extension lead length should be selected within the range: 500, 800, 1000, 1600, 2000, 2500, 3150 mm.

Type

Design
modification

Type of TC

Cl

Diameter
d, mm

Insertion
length, L, mm

Extension wire
length, , mm

modification

typical
version*

min

max

min

max

PRTDM

300

-052

100P

А4, В4

5.0, 6.0

80

160

500

3150

В2

1000

-065

Pt100

А4, В4

4.0

3150

-052

5.0, 6.0

-052

В2

5.0, 6.0

1000

-065

Pt500

А4, В4, В2

4.0

3150

-052

5.0, 6.0

* – see Appendix for version description.

Examples of product designation

PRTDM 300-052 - TC - Cl. - d - L/l
PRTDM 300-052 - Pt100 - В2 - 6 - 80/1000 – matched pair of platinum resistance thermometers, modification 300-052 with extension lead in silicon rubber insulation, without mounting elements, calibration Pt100, tolerance class В, 2-wire configuration, outer diameter 6 mm, insertion length 80 mm, extension lead 1000 mm.

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