Model : 6309PDT

Description :

pH & D.O. analyzer, 1/ 4 DIN panel mount IP-65 case, polarographic sensor with replaceable membranes and programmable pressure and salinity compensation. Features 2 pH and 2 D.O. fully programmable relays and one for temperature. RS-485 interface, password protected with individual ID' s. 4-20 mA analog output is fully programmable, assignable & reversible. Graphical display. Tinned lead connectors. CE Approved.

* High 50/ 60 hz noise rejection
* Power down memory backup
* Auto tempe. compensation
* Bumpless calibration
* RS-485 output
* Membrane switch with audio feedback
* Displays pH electrode efficiency
* Four user programmable relays for pH
* Simultaneous analysis and display for measurement and control
* pH/ temperature measurement & control
* Reversible and isolated 4 to 20ma output
* One programmable relay output for temperature
* Graphic LCD display, 128 x 64 with backlight
* Pipe, wall or panel mounting watertight 1/ 4 DIN enclosure
* Selectable linear or anti-logarithmic pH output

Specifications :

*
Range Resolution Accuracy
pH -2.00 to 16.00 0.01pH 0.1% ± 1 LSD
Dissolved Oxygen ( ppm) 0.0 to 60.00 ppm 0.01 ppm ± 0.2% of span
Dissolved Oxygen ( % ) 0 to 500.0% 0.1 % ± 0.2% of span
Temp. -10.0 to 120° C 0.1° C ± 0.1° C
*
pH
o pH temperature compensation range: -10.0 to 120.0° C
o pH buffer recognition: 4.01, 7, 10.01 / 4.00, 6.86, 9.18
o pH buffer temperature range: 0 to 60.0 ° C
o pH electrode slope compensation: ± 30% of ideal slope
o pH electrode offset compensation: ± 100 mV
o Input impedance: Greater than 10 exp( 13) ohms
o Calibration auto end point sensing: Yes
DO
o Salinity compensation: 0.0 to 40.0 ppt
o Pressure compensation: 600 to 1100mbar
Output Relays
o Relays numbers: One programmable relay for temperature
two high
o Control type: On/ off
o Relay output ( resistive load only ) : 5a at 115v or 2.5a at 230v
o Set point hysteresis: User programable
Current Output
o Current output: Isolated & reversible 4 to 20 mA
o Range: Selectable zero & span
o Accuracy: ± 0.02 mA
o Insulated voltage: 500VAC
o Max load: 500 ohm
General
o ATC sensor: Thermistor, 10 k ohm at 25 ° C
o Security protection: 4digit password
o Dimension: 1/ 4 DIN, depth 148 mm
o Weight: 950 gm
o Power source: 115/ 230 VAC, 50/ 60hz
o Pre-amplifier voltage: ± 5 VDC, 20mA max output
o Communication: RS-485
o Keypad: Audio feedbackup