EUTECH INSTRUMENTS ALPHA CON 1000 CONDUCTIVITY CONTROLLERTRANSMITTER (REVISION 3) Manual do Utilizador descarregar pdf (Página 7)

olved Oxygen

Useful 12V DC output

from the controller

powers peripheral

wash mechanism,

preamplifiers, etc.

Wash relay allows automatic,

periodical cleaning of sensors

– used in conjunction with

‘Wash’ program

Detachable connectors for easier wiring.

Independent Relay A and B

allows combination of ‘Hi’

and‘Lo’ settings.

‘HOLD’ terminals allow for pH/

ORP Master-slave operations

(pH analyzer controls ORP

analyzer only under controlled

pH values)

‘Single-Pole-Double-Throw’

Alarm relay for fail-safe

operations. When power

supply to the controller is

broken, the alarm relay

activates.

Automatic Temperature

Compensation with 2 or

3 wire Pt 1000 or Pt 100

temperature sensors.

3-wire system minimizes

errors from the tem-

perature sensor and

cables.

View temperature values

in degree Celsius or

degree Fahrenheit.

Manual Temperature

Compensation offers

independent input of

process and calibration

temperatures.

92

56

32

max. 45

max. 180

96

Flat gasket 1 mm [.04]

92+0.5

92+0.5

Panel cut out

Panel Mount Drawing (All measuurements in mm)

111.50

27.5

24

57.8

Cable

glands

90

6.0

80

90

21.5

66.5

Holes for post

mounting (4X)

Hole for wall

mounting (2X)

Wall Mount Drawing (All measuurements in mm)

175

175

138 + 0.5

138 + 0.5

Max.80 84 29

1-22

Seal gasket

Dual 4-20 mA scaleable

outputs for measured

parameter and tem-

perature.

Unique ‘Out-of-range’

current setting at 22 mA

differentiates normal

readings from ‘Out-of-

range’ values.

3

Liquid ground (potential matching

pin) for symmetrical operations

(pH / ORP controllers only)

1 2 3 4 5 6 7 8 9 10 11 12 13

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