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Instantly add the Model SDM 693 Flow Meter/Controller and 50,000+ more product series to your store or catalog  
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Sigma Controls Flow Meter/Controller, Model SDM 693

Model SDM 693 Flow Meter/Controller

Brand: Sigma Controls, Inc
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The SDM 693 is a high performance, industrial-grade digital flow meter.

It accepts all the standard process signals: pulse, open collector, switch, TTL or square wave displaying them in engineering units on a six digit display. 

The display also includes an extra zero which may be used to handle numbers up to 999,999.
Features
  • NEMA 4 Front Panel
  • Pulse, open collector, switch closure, TTL or square wave field selectable inputs
  • K-Factor, internal or external calibration
  • 11 Point calibration for non-linear inputs
  • Low flow cutoff
  • 12 Vdc at 50 mA or 24 Vdc at 20 mA field selectable power supply
  • 2 or 4 Relay output options
  • Tachometer/Rate meter
  • 4-20 mA output option - converts the pulse input into an isolated 4-20 mA output

Specifications

Brand

Accuracy

  • ± 0.1 % of Full Scale

Adjustment Type

  • Push Button

Approvals & Certifications

  • UL

Calibration

  • 11-Point Calibration for Non-Linear Inputs

Deadband

  • Deadband Adjustment: 0 to 100 %

Display

  • 6-Digit, 0.56” (14.2 mm) High Efficiency Red or Green LED Display

Electrical Connectors

  • Terminal Strip

Electrical Rating

  • SPDT: 2 A at 250 Vac, Resistive

Enclosure, Body Material

  • 25 % Fiberglass Reinforced Grey Polyester, Corrosion Resistant

Environmental Protection

  • IP66
  • NEMA 4 Front Panel
  • NEMA 4X Enclosure

Hysteresis

  • 30 mV

Input Signal

  • Open Collector 4.7 kiloohms Pull-Up to 12 V at 30 kHz
  • Pulse or Square: 0-12 V at 30 kHz
  • Pulse or Square: 0-5 V at 30 kHz
  • Switch Contact 4.7 kiloohms Pull-Up to 12 V at 40 Hz
  • TTL

Loop Resistance

  • Maximum

Materials of Construction

  • Instrument Mounting Panel: Hinged Aluminum

Output Noise

  • < 10 mV Peak-to-Peak

Power Supply

  • 12 Vdc at 50 mA
  • 24 Vdc at 20 mA, Regulated ± 5 %

Relay Output

  • 4-20 mA

Sensitivity

  • 125 mV Peak-to-Peak

Span - Minimum

  • Input Span - Min.: 2 Hz between Points

Switch Type

  • 2 or 4 SPDT

Documentation

Data Sheets

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