EUTECH INSTRUMENTS alpha-pH 2000D Manual de instrucciones descargar pdf (Pagina 39)

Instruction Manual αlpha-pH2000D

- 33 -

8 TECHNICAL SPECIFICATIONS

8.1 General Specification

(a) pH

pH Measuring Range -2.00 to 16.00 pH

Resolution 0.01 pH

Accuracy ± 0.01 pH

(b) mV

mV Measuring Range -1000 to 1000 mV

Resolution 1 mV

Accuracy ± 1 mV

(b) mV percentage

Percentage mV Measuring Range 0 to 100% (for -100 to 100 mV)

Resolution 0.1%

Accuracy ± 0.2 % (or ± 1 mV)

Temperature measuring range -10.0 to +125.0

C or +14.0 to +257.0

F for pt100/pt1000

-10.0 to +110.0

C or +14.0 to +230.0

F for NTC300

Resolution 0.1

C or

0.1

Relative accuracy 0.5

C or

1.0

Sensor NTC 300, Pt100 or Pt1000 (Jumper Selectable)

– 2 wire or 3 wire

Compensation Automatic (± 10 ˚C/ ± 18 ˚F offset adjustment) or Manual

8.2 Set-point and control function – Relay 1 & Relay 2

Function Switchable

- Selection in Control (CNTR) function of

Setup

Off

Limit Control

P/PI Control (Pulse length / Pulse frequency)

(a) Off

The control function of the controller is off SP1 & SP2 function will not appear in setup when Off is

selected in CNTR function to off mode

(b) Limit Control & P/PI Control

Relay contact selection for active mode Energise (EN) or

De-energise (DEEN)

Set Point 1 (SP1) -2.00 to 16.00 pH or 0 to 100% or -1000 to 1000mV

Set Point 2 (SP2) -2.00 to 16.00 pH or 0 to 100% or -1000 to 1000mV

Active mode selection (for SP1 & SP2) LO (Relay is active when measured value < set point)

HI (Relay is active when measured value > set point)

Hysteresis (for SP1 & SP2) 0.1 to 1 pH or 1 to 10.0%/ 10 to 100 mV

On (pickup) Delay (for SP1 & SP2) 0 to 2000 seconds

Off (Dropout) Delay (for SP1 & SP2) 0 to 2000 seconds

Proportional Range 10 to 500 %

Integral Action Time (IAT) 0.0 to 999.9 minutes

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 51 52

Comentarios a estos manuales

Sin comentarios

EUTECH INSTRUMENTS alpha-pH 2000D Manual de instrucciones Pagina 39

Comentarios a estos manuales

Relacionado con productos y manuales para Otros dispositivos de entrada EUTECH INSTRUMENTS alpha-pH 2000D