RESISTIVITY

 MONITORS

 


Description

The Model 900M is a microprocessor based Resistivity Controller with outputs for Alarm and/or Control purposes.

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Features

  • AUTO RANGING, 2 M OHMS-CM to 20 M OHMS-CM 

  • TWO INDEPENDENT SENSOR INPUTS 

  • BOTH CHANNELS SIMULTANEOUSLY MONITORED/CONTROLLED 

  • FULL 3-D CURVE TEMPERATURE COMPENSATION 

  • TWO PROGRAMMABLE ALARM/CONTROL RELAYS 

  • TWO PROGRAMMABLE ALARM/CONTROL OUTPUT TRANSISTORS (OCT) 

  • 0-100 DEGREES C TEMPERATURE MEASUREMENT/COMPENSATION 

  • COMPATIBLE WITH STANDARD RESISTIVITY CELLS 

  • ACCESS CODE PARAMETER PROTECTION 

  • EEPROM PARAMETER MEMORY 

  • AUDIO ALARM/ANNUNCIATOR 

  • SEPARATE ALARM AND RANGE SETTINGS FOR EACH SENSOR 

  • ALL PARAMETERS SET IN SOFTWARE‑NO POTS OR SWITCHES 

  • WET STATION ENCLOSURE

  • BRIGHT FOUR DIGIT LED DISPLAY

  • SMOOTH FACE CONSTRUCTION 

  • QUICK DISCONNECT REAR TERMINALS 

  • HIGH RESOLUTION 20,000 COUNT A/D CONVERTER 

  • SPECIAL 'LOCKING' INPUT CIRCUITRY FOR MAXIMUM NOISE IMMUNITY 

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Specifications

RANGE 

(Resistivity)

2.00 - 20.00 M OHMS-CM

RANGE (Temperature)

0.0 - 100.0 Degrees C

RESOLUTION

(Resistivity)

.01 M OHMS-CM

RESOLUTION

(Temperature)

0.1 Degrees C

NOISE REJECTION

NMR -  60 db @ 60 HZ

CMR -120 db @ 60 HZ

MEASURING TIME

4 Conversions/Sec

DISPLAY

Four 0.56 Inch High, Seven Segment, LED Uniplanar numerals. Six Discrete LEDs  (Red, Green, Amber)

ANNUNCIATOR

Audio Tone, ~ 2500 HZ

SETUP MEMORY

EEPROM, All Parameters

MEMORY RETENTION

10 Years w/o Power

SENSOR

Thornton type 208

CONTROL

On/Off Relay

OPERATING RANGE

0 to 50 Degrees C

STORAGE RANGE

-40 to 60 Degrees C

CONSTRUCTION

Enclosure - Kydex, Black

Face - Lexan, Back Printed

SIZE

8.25 x 3 3/4 x 5.25 inches (HxWxD)

210 x 94 x 133mm

WEIGHT

< 3 Lbs. (1.8 kg)

CONNECTION

Rear, Weidmueller, .200 CC

Communications - DB9 (Optional)

OUTPUT

Open Collector Transistor, 100 ma. max. External Audio - OTC, 100 ma. max. 12 VDC provided

Relay - Optically isolated 

5 amp, 120 VAC

POWER

900MA - 10 VA,   24 VAC +10%, 50/60 HZ

900MB - 10 VA, 120 VAC +10%, 50/60 HZ

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Available Models

MODEL

VOLTAGE

900MA 24 VAC
900MB 120 VAC
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Manuals and Drawings

Manual_Procon_900m_Rev01.pdf

Procon_Drawings/900M_BACK.pdf

Procon_Drawings/900M_FRONT.pdf
Procon_Drawings/900M_PHYSICAL_DIMENSIONS.pdf
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Related Products

 

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JPC CONTROLS

3081 Elm Point Industrial Dr., St. Charles, MO  63301

Phone:  636-946-3300    Fax:  636-724-2492    Email:  sales@jpccontrols.com

www.jpccontrols.com

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