Model : 6309PDT pH, Dissolved oxygen, Temperature In-line Analyzer

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
pH Range : -2.00 to 16.00
pH Resolution : 0.01pH
pH Accuracy : 0.1% ± 1 LSD

Dissolved Oxygen ( ppm) Range : 0.0 to 60.00 ppm
Dissolved Oxygen ( ppm) Resolution : 0.01 ppm
Dissolved Oxygen ( ppm) Accuracy : ± 0.2% of span

Dissolved Oxygen ( % ) Range : 0 to 500.0%
Dissolved Oxygen ( % ) Resolution : 0.1%
Dissolved Oxygen ( % ) Accuracy : ± 0.2% of span

Temp. Range : -10.0 to 120° C
Temp. Resolution : 0.1° C
Temp. Accuracy : ± 0.1° C

pH
pH temperature compensation range: -10.0 to 120.0° C
pH buffer recognition: 4.01, 7, 10.01 / 4.00, 6.86, 9.18
pH buffer temperature range: 0 to 60.0 ° C
pH electrode slope compensation: ± 30% of ideal slope
pH electrode offset compensation: ± 100 mV
Input impedance: Greater than 10 exp( 13) ohms
Calibration auto end point sensing: Yes

DO
Salinity compensation: 0.0 to 40.0 ppt
Pressure compensation: 600 to 1100mbar

Output Relays
Relays numbers: One programmable relay for temperature
two high
Control type: On/ off
Relay output ( resistive load only ) : 5a at 115v or 2.5a at 230v
Set point hysteresis: User programable

Current Output
Current output: Isolated & reversible 4 to 20 mA
Range: Selectable zero & span
Accuracy: ± 0.02 mA
Insulated voltage: 500VAC
Max load: 500 ohm

General
ATC sensor: Thermistor, 10 k ohm at 25 ° C
Security protection: 4digit password
Dimension: 1/ 4 DIN, depth 148 mm
Weight: 950 gm
Power source: 115/ 230 VAC, 50/ 60hz
Pre-amplifier voltage: ± 5 VDC, 20mA max output
Communication: RS-485
Keypad: Audio feedbackup