Bühler technologies Nivotemp NT 61D - Technical Data NV 71 D

Nivotemp NT 61D, Nivovent NV 71D
9.2 Technical Data NV 71D
Basic unit
Version MS VA
Operating pressure max. 1 bar max. 1 bar
Operating temperature -20 °C to +80 °C -20 °C to +80 °C
Float SK 610 SK 221
Min. fluid density 0.80 kg/dm³ 0.85 kg/dm³
Lengths (all versions) 280, 370, 500 (Standard), variable to max. 1500
Material/Version
Display housing PA PA
Float rigid PU (SK 601) 1.4571 (SK 221)
Immersion tube Brass 1.4571
Flange (DIN 24557) PA PA
Weight at L=280 mm
Each 100 mm add
approx. 825 g
approx. 30 g
approx. 910 g
approx. 50 g
Degree of protection IP65 IP65
Includes:
Mounting screws (quantity 6) and rubberised cork seal
Options
Stilling tube (SSR) Brass VA
Vent filter All versions HY type Hydac BF 7
Filter fineness 3 µm
Additional equipment Filler cap – n/a with filling adapter
Temperature display electronics
Display 4 character 7 segment LED
Operation Via 3 keys
Memory Min. / Max. Data memory
Starting current input approx. 100 mA for 100 ms
Current input during operation approx. 50 mA (without current- and switching outputs)
Supply voltage (U
B
) 10 – 30 V DC (nominal voltage 24 V DC)
Ambient temperature -20 °C to +70°C
Display units Temperature
°C / °F
Display range -20 °C to +120 °C
Alarm setting range 0 °C to 100 °C
Display accuracy ± 1 % from end value
Temperature sensor
Pt 100 Class B, DIN EN 60751
Resolution 0.5 °C
Level switching output K10
Max. number 2
Function NC / NC*
Function NC / NC*
Switching current max. 0.5 A
Contact load max. 10 VA
Min. contact spacing 40 mm
*NO= falling NC contact / NC = falling NO contact
32 Bühler Technologies GmbH
BE100017 ◦ 01/2020