Envco – Environmental Equipment

The Micro-Flo’s chemical resistant wetted materials make it suitable for many chemical feed applications

Easy Digital Display and Calibration
The Micro-Flo’s easy to read, 6-digit LCD display indicates both rate and total accumulated flow, with user selectable or custom programmable scale factors in units of US gallons, liters, ounces, and milliliters. Time units are selectable in minutes, hours, or days. The Micro-Flo meter also features a volumetric field calibration programming system, which allows the user to fine tune the meter for a particular application.

A handy open collector alarm output is included for use with an autodialer, PLC, or telemetry system.

Rugged Design
The Micro-Flo’s rugged sensor body is constructed of chemical-resistant PVDF and includes a clear PVC window so that you can observe the liquid flow past the impeller.

Options to Meet Your Needs
The Micro-Flo models listed below are offered with 1/8" NPT(F) or 3/8" OD connections, a sensor-mounted display, and a 115 VAC to 15 VDC power supply. Additional process connections are available by special order

Accuracy ±6% full scale
Materials Body, Paddle, Axle: PVDF
NPT (F) Connection: PVC
Tubing Connectors: PVDF

Maximum Working Pressure
PVC lens: 130 psig (9 bar) @
70°F (21°C)
PVDF lens: 150 psig (10 bar)
@ 70°F (21°C)

Maximum Fluid Temperature
PVC Lens, F/NPT Connectors:
130°F (54°C) @ 0 psi
PVDF Lens, tubing connectors:
200°F (93°C) @ 0 psi

Input Power 9 to 28 VDC
Sensor Type Infra-red light beam
Sensor Output Cable
3-wire shielded cable, 6 ft

Enclosure Valox® PBT, NEMA type 4X (IP56)
Dimensions 5 x 3.5 x 2.22" (13 x 9 x 5.5 cm)

Ordering Information
1/8" NPT(F)
FS1-100-5V Flow Range (oz./min) Flow Range (ml/min) 1 to 10 30 to 300
FS1-200-5V Flow Range (oz./min) 3.5 to 35 Flow Range (ml/min) 100 to 1,000
FS1-300-5V Flow Range (oz./min) 7 to 70 Flow Range (ml/min) 200 to 2,000
FS1-400-5V Flow Range (oz./min) 10 to 100 Flow Range (ml/min) 300 to 3,000
FS1-500-5V Flow Range (oz./min) 17 to 170 Flow Range (ml/min) 500 to 5,000
FS1-600-5V Flow Range (oz./min) 24 to 240 Flow Range (ml/min) 700 to 7,000

3/8" OD Tubing
FS1-100-6V Flow Range (oz./min) 1 to 10 Flow Range (ml/min) 30 to 300
FS1-200-6V Flow Range (oz./min) 3.5 to 35 Flow Range (ml/min) 100 to 1,000
FS1-300-6V Flow Range (oz./min) 7 to 70 Flow Range (ml/min) 200 to 2,000
FS1-400-6V Flow Range (oz./min) 10 to 100 Flow Range (ml/min) 300 to 3,000
FS1-500-6V Flow Range (oz./min) 17 to 170 Flow Range (ml/min) 500 to 5,000
FS1-600-6V Flow Range (oz./min) 24 to 240 Flow Range (ml/min) 700 to 7,000