MOLBOX2 Flow Terminal

The molbox2 Flow Terminal enables you to achieve the lowest uncertainty available for gas flow meter and controller calibrations.

Manufacturer part number (MPN)

6074904

Brand

Fluke

Category

Tools

Usable range with SPcalibration and molbox2A700K

Usable range withHP calibration andmolbox2-S -A2M

1E2-S 15 to 60 slm*

20 to 300 slm

5E2-S 67 to 300 slm*

100 to 1000 slm

Power requirements

85 V ac to 264 V ac, 47 Hz to 440 Hz, 18 VA max consumption

Normal operating temperature range

15 °C to 30 °C (59 °F to 86 °F)

Storage temperature range

-20 °C to 70 °C (-4 °F to 158 °F)

Vibration

Meets MIL-T-28800D

Weight

6.8 kg (15 lb) max

Dimensions (WxHxD)

32 cm x 12 cm x 30 cm (12.6 in x 4.7 in x 11.8 in) approx.

Communication ports

RS-232 (COM1), RS-232 (COM2), IEEE-488.2

Pressure connections (molbox2 and molbloc)

Quick connectors equivalent to Swagelok® QM Series (SS-QM2-B200)

Flow ranges

5000 slm. See separate molbloc-L and molbloc-S range tables

Flow measurement rate

340 milliseconds

Valve driver option

(8) 12 V outputs. Each output can sink 500 mA at 12 V, max 1 Amp total

MFC control option (analog input/output)

Nominal voltage range: 0 V dc to 6 V dc input, 0 V dc to 5 V dc output Nominal current range: 4 mA to 20 mA input, 4.01 mA to 20 mA output Accuracy: ± 0.1 % FS (set), ± 0.05 % FS (measure)

Type

Q-RPT Characterized Quartz Reference Pressure Transducers – Oscillating quartz crystal with mechanical bellows

A700K

0 to 600 kPa absolute (0 to 87 psia)

A350K

0 to 300 kPa absolute (0 to 44 psia)

S A1.4M (molbloc-S only)

0 to 1.2 MPa absolute (0 to 174 psia)

S A2M (molbloc-S only)

0 to 2 MPa absolute (0 to 290 psia)

Absolute pressure⁴

± (0.01 % of reading or 0.003 % Q-RPT span, whichever is greater)

Differential pressure (A700K with Tare)

± (8.4 Pa (0.0012 psi) or 0.032 % ΔP, whichever is greater)

Differential pressure (A350K with Tare)

± (4.2 Pa (0.0006 psi) or 0.026 % ΔP, whichever is greater)

Range (FS)

0 to 40 °C

Resolution

0.01 °C

molbloc PRT precision

± 0.02 °C (15 to 30 ˚C)

Reference resistor

100 and 110 W ± 0.01 %, stability < 25 ppm/year

Ohmic measurement

± 0.02 % of reading (15 °C to 30 °C)

Standard molbloc calibration

Premium molbloc calibration

± 0.09 % of reading, ± 0.009 % FS under 10 % FS

± 0.03 % of reading, ± 0.003 % FS under 10 % FS

± 0.2 % of reading, ± 0.02 % FS under 10 % FS

± 0.125 % of reading, ± 0.0125 % FS under 10 % FS

Stability (one-year)² ± 0.05 % of reading

± 0.03 % of reading

± 0.2 % of reading

± 0.125 % of reading

• OEM-URL https://www.fluke.com/en-us/product/calibration-tools/flow-calibration/gas-flow-standards/molbox2-flow-terminal