7504

CONTECA™ Heat Meter

Description: 

CONTECA™ is a direct heat meter for instantaneous measuring and recording of thermal energy usage in residential and commercial buildings.

Complies with ASTM E3137 Standard Specification for Heat Metering Instrumentation.

Microprocessor:
Power supply:  24 VAC, 50/60 Hz, 1W
Data transmission:  2-wire RS485; selectable Modbus or Mbus (for use with Datalogger)
Ambient temp:  40° - 113°F (4° - 45°C)
Environmental rating:  NEMA 3S (IP 54)
Pulse inputs:  Class 1B per EN 1434-2

Temperature sensors:
Cable length:  6.3 ft (1.9m)

Sensor type:  NTC matched
Temp range:
   Heating mode:  50° - 195°F (10° - 90°C)
   Cooling mode:  35° - 77°F (2° - 25°C)
Temp sensitivity:  < 0.1°F

Flow meters:
Body material:  brass
Body threads:  ISO 228 male straight
Piping connections:  dual unions, tailpieces - NPT, sweat, press
Nominal pressure:  150 psi (PN 10)

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Certifications: 

  • ICC ES PMG
  • CE

Drawings:

code

GPM

connection

weight
(lbs)

750449A

0.25 - 10.0

½" sweat

6.2

750440A

0.25 - 10.0

½" MNPT

6.2

750446A

0.25 - 10.0

½" press

6.2

750459A

0.25 - 10.0

¾" sweat

7.1

750450A

0.25 - 10.0

¾" MNPT

7.1

750456A

0.25 - 10.0

¾" press

7.1

750469A 0.25 - 10.0 1" sweat 7.9
750460A 0.25 - 10.0 1" MNPT 7.9
750466A 0.25 - 10.0 1" press 7.9
750463A 0.3 - 15.0 1" FNPT 11.5
750473A 0.5 to 25.0 1¼" FNPT 12.1
750483A 1.0 to 45.0 1½ FNPT 18.7
750410A 11 to 110 2½" flanges 27
750411A 14 to 140 3" flanges 29
750412A 22 to 220 4" flanges 44
750413A 35 to 350 5" flanges 51
750414A 88 to 880 6" flanges 88
750415A 100 to 1000 8" flanges 110

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