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ValuMass™ 440 Insertion Thermal Mass Flow Meter

Series 440 ValuMass™ flow meters offer a lower cost option for many flow applications with the high value associated with all of EPI’s flow measurement instrumentation.

AC power or remote display uses additional enclosures. See drawings.

Optional compression fitting shown and provided upon request.

Description

Series 400 ValuMass Flow meters

Low Cost / High Value

Our ValuMass™  Series 400 offer another lower cost option for many flow applications with the high value associated with all of EPI’s flow measurement instrumentation.

ValuMass™ flow meters include a robust feature set: 0 – 5, 10 VDC, 4 – 20mA, RS485 Modbus RTU and optional 0 – 1 kHz outputs (proportional to the gas mass flow rate); an RS232C port; 16-bit linearization technology for flow rate accuracy; a fully programmable relay; and rugged construction of 316/316L stainless steel wetted parts. An optional 2-line, 16-character backlit LCD displays the flow rate and the elapsed total readouts.

ValuMass™ inline and insertion flow meters accommodate virtually all installation requirements.  The Series 440 insertion style flow meters are available with 6”, 12” or 18” long probes (Optional compression fitting for mounting). Other mounting options are available. ValuMass™ flow meters accept 24VDC, 115VAC or 230VAC input power as specified at the time of purchase.

Product Details

Below is our standard Integral enclosure for ordinary area locations, 24VDC powered, with optional compression fitting which can be provided upon request.

Below is our optional AC power (AC115, AC230) feature set which includes an additional enclosure for AC power.

Below is our remote configuration setup which includes an additional remote enclosure with display. This setup is for DC power only.

Below is our remote configuration with AC power (AC115, AC230) enclosure and a remote with 2″ pipe mounting bracket assembly with display.

Specifications

Approvals
CE Mark

Accuracy, including linearity (Ref.: 21°C)
±(1% of Reading + 0.5% of Full Scale + GTC)

Repeatability
± 0.2% of Full Scale

Linear Signal Output
Software Controlled 0 – 5 or 0 – 10VDC (Flow and Temperature)
4 – 20 mA (Flow and Temperature),
RS485 Modbus RTU (Flow Rate/Total, Temperature)
Optional 0 – 1 kHz (proportional to flow for total/counter)

Sensor response time
1 second to 63% of final value

Turn down ratio
100:1 @ 10 SFPM (.051 NMPS) Minimum Reading

Electronics PCB temperature range
-40° to 158°F (-40° to +70°C)

Environmental temperature range
-40° to 140°F (-40° to +60°C)

Gas temperature range
-40°–392°F (-40°–200°C)

Pressure Rating Maximum:
Insertion Flowmeters
500 PSIG (Stainless Steel ferrule)
25 PSIG (Teflon™ ferrule), 250 PSIG with Locking collar & safety cable.

Input Power Requirement
24 VDC @ 250mA
115 VAC 50/60 Hz 100mA optional
230 VAC 50/60 Hz 50mA optional

Transmitter Power Requirements
5 Watts or less

Relay Output Rating
1 Amp @ 30VDC (33W) (2 Relays, 1 if Freq. Out needed)

Communications
RS-232C, RS485 Modbus RTU

Display
Optional 2-lines, 16 characters per line, backlit LCD
(No Keypad)

Wetted Materials
316 & 316L Stainless Steel

Standard Temperature & Pressure (STP)
70°F & 29.92″ Hg (Air = 0.075 Lbs. / FT3)

NIST Traceable Calibration
Standard

Enclosure Rating
NEMA 4X (IP66)

NOTE: Specifications subject to change without notice.

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