Accuracy

±2% RD for flow > 50% of max. capacity;
±(1% RD + 0,5% FS) on lower flows

Repeatability

< 0.2% FS typical
< 0.6% FS typical for MV-108 / MV-308

Pre-installed gases

Air, Ar, N2, O2, CO2, CH4, C3H8, N2O, CO and C4H10
Air, N2, O2, CO (models MV-101, MV-301 and MV-401)
(special models available for H2 and Helium)

Type of gases

Any clean and dry gas, filter recommended

Standard calibration gas

Air, other gases are converted using our Fluidat® conversion
model which will introduce extra inaccuracy

Rangeability

up to 1:100

Operating pressure

0…10 bar(g) / 0…150 psi(g)

Pressure coefficient

± 0.2% RD/bar typical at Air

Operating temperature

0…50 °C (32…122 °F)

Temperature coefficient

Zero: <0.1% FS/℃, Span: <0.2% RD/℃

Attitude sensitivity

< 0.1% FS

Response time (t63%)

2S

min. Δp

1 bar(d) (for model MV-405 2 bar(d))

max. Δp

7 bar(d)

Control Accuracy

Less than 05-1% RD/bar

Materials (wetted parts)

Meter: aluminium, Viton®
Needle valve: SS316, Viton®, PTFE;
(for models MV-3×2 and MV-4xx: Fluorosint®, Brass, Buna N)
Controller: membrane fiber-reinforced nitrile

Gas connections (in/out)

G 1/4” BSPP female thread
G ½” BSPP female thread for MV-108 / MV-308
(compression fittings optional)

Weight

meter/regulator: 0.7 kg
controller: 1.4 kg
MV-108 / MV-308: 0,8 kg

Electrical connection

8-pin RJ-45 modular jack

Output

analog: 0…5 Vdc
digital: RS232 / RS485 (Modbus ASCII/RTU)

Required supply voltage

15…24 Vdc (+/-10%)

Power consumption

approx. 135 mA

Min. and max. relay contacts

switching current 0.5 A, 24 Vdc,
one side grounded (0 Vdc power)

Test pressure

21 bar(a) / 300 psi(a)

Ingress protection

IP40

EMC

EU declaration