EUTECH INSTRUMENTS ALPHA CON 1000 CONDUCTIVITY CONTROLLERTRANSMITTER (REVISION 3) Uživatelský manuál stáhnout pdf (Strana 13)

Specifications

Alpha DO 2000

Dissolved Oxygen measuring range 0.00 to 25.00 mg/l or 0.0 to 300.0% Saturation

Relative accuracy ± 1.5 % of full scale reading for both ranges

Resolution 0.01 mg/l or 0.1 %

Temperature -10.0 to + 125.0 °C (14.0 to 257.0 °F)

Resolution 0.1 °C / °F

Relative Accuracy ± 0.5 °C (± 1.0 °F)

Sensor Pt100 /Pt1000 (jumper selectable); 2 or 3 wire

Temperature Compensation Auto / manual

Pressure Compensation K.Pas / mmHg (Manual setting and automatic correction)

Salinity Compensation 0.0 to 50.0 ppt (Manual setting and automatic correction)

Set-point and Controller Functions

Function (switchable) P/PI control (pulse length/pulse frequency); limit control

Integral time 0 to 999.9 minutes

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 seconds

Wash cycle 0.1 to 199.9 hours

Wash duration 1 to 1999 seconds

Switching Dissolved oxygen hysteresis 0 to 10 % of full scale

Contact outputs, controller 1 SPDT, 3 SPST relays

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

Alarm Functions

Function (switchable) Latching / pulse

Pickup delay 0 to 2000 seconds

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

Display

LCD UV coat, backlit 14 segments display with symbols for status information

Backlight On/Off selectable with four level of brightness control

Electromagnetic Compliance (EMC) Specifications

Emitted Interference According to EN 50081-1

Immunity to Interference According to EN 50082-1

Environmental Conditions

Ambient temperature operating range 0 to 40 °C

Maximum Relative humidity 80% up to 31°C decreasing linearly to 50% at 40°C

Power Supply

Input 80 to 250 VAC/DC 50/60 Hz Approx. 10VA

Main Fuse 250 mA anti-surge, S504 BUSSMANN

Pollution Degree 2

Transient Overvoltage category II

Electrical Data and Connections

Signal Output Two 0/4 to 20 mA outputs for Dissolved Oxygen and temperature, galvanically isolated.

Load Max. 600 Ω

Dissolved Oxygen input Screw terminal

Connection terminal 5-pin, 8-pin, 9-pin and 13-pin terminal, detachable blocks

Mechanical Specifications

Dimensions (W x H x D) Wall Mount 144 x 144 x 111.5 mm

Weight Wall Mount 745g (unit) / 1100g (Packed)

Environmental Rating Wall Mount IP 65 (NEMA 4X)

Ordering Information

Alpha DO 2000 Dissolved Oxygen Controller/Transmitter – Wall mount ECDOCTP2000W

1 2 ... 8 9 10 11 12 13

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