EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manual de Instruções descarregar pdf (Página 30)

Instruction Manual alpha-pH 1000

9 TECHNICAL SPECIFICATIONS

pH Range 0.00 to 14.00 pH

Resolution 0.01 pH

Relative Accuracy +/- 0.01 pH

mV Range 0 to 100.0 % / - 1000 to +1000 mV

Resolution 0.1 % / 1 mV

Relative Accuracy +/- 1 mV

Temperature - 9.9 to + 125.0

Resolution 0.1

Relative Accuracy +/- 0.5

Sensor Pt 100 /Pt 1000 (jumper selectable)

Temperature Compensation Auto / manual (reference at 25.0

Set-point and Controller Functions

Function (switchable) limit controller

pulse length/frequency controller

Controller characteristics proportional controller

Adjustable period with pulse length controller 0.5 to 20 sec.

Adjustable period with pulse frequency controller 60 to 120

pulses/min

Pickup / Dropout delay 0 to 2000 sec.

Switching pH hysteresis 0.1 to 1 pH

Switching ORP hysteresis 1 to 10.0 % / 10 to 100 mV

Contact outputs, controller 2 potential-free change-over contacts

Switching voltage / current / power max. 250 VAC / max. 3A / max. 600 VA

Alarm Functions

Function (switchable) Latching / pulse

Wash cycle 0.1 to 199.9 hrs

Wash duration 1 to 1999 s

Pickup delay 0 to 2000 s

Switching voltage / current / power max. 250 VAC / max. 3A / max. 600 VA

Electrical Data and Connections

Power Requirements 110 / 220 VAC (jumper selectable)

Frequency 48 to 62 Hz

Power requirements Max. 7 VA

Signal Output 0/4 to 20 mA, galvanically isolated

Load

max. 600 Ω

pH / ORP input BNC, screw terminals

Connection terminal Terminal blocks 5-pole / 17-pole, removable

Mains fuse / fine wire fuse slow-blow 250 V / 100 mA

EMC Specifications

Emissions According to EN 50081-1

Susceptibility According to EN 50082-1

Environmental Conditions (For Indoor Use)

Altitude Up to 2000 m

Maximum Relative Humidity 80% up to 31

C decreasing linearly to 50% at 40

Power Supply Mains supply voltage fluctuations not exceeding +

10% of the nominal voltage

Transient Overvoltages Category II

Pollution Degree Category II

Ambient temp. operating range -10 to +50

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 39 40

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