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Description

Field Adjustable Alarm Setting: Only an allen wrench is required to change the flow alarm setting.

Weather-Tight Construction: Rugged cast aluminum NEMA type 4X enclosure allows installation outdoors and in environments where liquid tight seals are required.

Simple On/Off Logic Positive: alarm points using dry-contact, SPDT switches, reduce the complexity found in standard rotameter OFF/ON/OFF circuits.

Pre-Wired with Cable Disconnect: The standard Hirschmann interconnection provides easy installation and maintenance of the Flow Alarm and the system it is a part of.

Economical Protection: This monitor rapidly pays for itself as it “sounds the alarm” on incorrect pneumatic, lubrication or cooling volumes, protecting expensive equipment and reducing downtime.

Technical Specifications
Measuring Accuracy:

±2.0% of full scale

Repeatability:

±1% of full scale

Flow Measuring Range:

0.1-150 GPM (0.5-550 LPM)

2.0-1300 SCFM (1-600 SLPS)

Maximum Operating Pressure:

Liquids
Aluminum and brass monitors: 3500 PSIG (240 Bar)
Stainless steel: 6000 PSIG (410 Bar)

Air/Gas
Aluminum and brass: 600 PSIG (40 Bar)
Stainless steel: 1000 PSIG (69 Bar)

Maximum Operating Temperature:

185°F (85°C)

Standard Calibration Fluids:

Oil meters: DTE 25® @ 110°F (43°C), 0.873 sg

Water meters: tap water @ 70°F (21°C), 1.0 sg

Air meters: air @ 70°F (21°C), 1.0 sg and 100 PSIG (6.8 Bar)

Alarm Switch Dead-band:

4% of full scale

Alarm Switch Contacts:

SPDT (dry contact). 10 amps and 1/4 hp, 125 or 250 VAC. 1/2 amp, 125 VDC (regulated); 1/4 amp, 250 VDC (regulated); 3 amps, 125 VAC “L” (lamp load)

Viscosity:

Standard viscosities up to 110 cSt. For viscosities between 110 to 430 cSt contact factory.

Filtration Requirements:

 74 micron filter or 200 mesh screen minimum

enclosure Materials of Construction (non-wetted components):

Enclosure & Cover:  Painted Aluminum

Seals: Buna-N®

Window: Pyrex®

Din Connector: Polyamide

ENCLOSURE MATERIALS OF CONSTRUCTION (WETTED COMPONENTS):

Casing & End Ports:

Anodized Aluminum: Buna-N® (STD), EPR, FKM or Kalrez®

Brass: Buna-N® (STD), EPR, FKM or Kalrez®

Stainless Steel: FKM with PTFE backup (STD), Buna-N®, EPR or Kalrez®

Transfer Magnet: PTFE coated Alnico

All other internal parts: Stainless steel

Part Number Guide

Alarm Part Number Guide

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