MODEL: 6FN

6FN SPECIFICATIONS

ES-4245 Rev.7 Page 1/2

http://www.m-system.co.jp/

Field-mounted Two-wire Signal Conditioners 6-UNIT

SQUARE ROOT EXTRACTOR

Functions & Features

• Providing a 4 – 20 mA DC signal proportional to the root of

input signal

• Low-end cutout

• Rugged enclosure

Typical Applications

• Converting differential pressure to flow

76

(2.99) DIA.

60.9 (2.40)

52.5

(2.07)

mm (inch)

MODEL: 6FN-A

ORDERING INFORMATION

• Code number: 6FN-A

• Mounting adapter (e.g. surface mounting adapter plate,

model: A-01)

Note: When a mounting adapter is required, specify

mounting adapter. Not included without specifying.

INPUT

A: 4 – 20 mA DC

RELATED PRODUCTS

• Outdoor enclosure (model: 6BX-E)

PACKAGE INCLUDES...

• Mounting adapter

surface mounting adapter plate (model: A-01)

Spring clip (model: A-02)

DIN rail mounting plate (model: A-31)

Note: When a mounting adapter is required, specify

mounting adapter. Not included without specifying.

When using in combination with outdoor enclosure (model:

6BX-E), use a spring clip (model: A-02).

GENERAL SPECIFICATIONS

Connection: M3 screw terminals (torque 0.6 N·m)

Screw terminal: Nickel-plated steel

Housing material: Diecast aluminum

Zero adjustment: 0 – 5 % (behind the access cover)

Span adjustment: 100 – 103 % (behind the access cover)

Low-end cutout: Approx. 10 % (output); curve

characteristics shown in the figure below

INPUT

10%

6%

0

1%

OUTPUT SPECIFICATIONS

Output: 4 – 20 mA DC

Voltage drop per loop: ≤ 5 V

INSTALLATION

Supply voltage: Voltage required by differential pressure

transmitter + 5 V

Operating temperature: -5 to +70°C (23 to 158°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: DIN rail with mounting plate A-31; surface

mounting with adapter plate A-01; spring clip A-02 for 3-

inch hub

Weight: 220 g (0.49 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.2 % (input 1 – 100 %)

Temp. coefficient: ±0.03 %/°C (±0.02 %/°F)

Response time: ≤ 0.5 sec. (0 – 90 %)

Ripple: 0.1 %p-p max.