Model : 6311

Description :

pH & ORP analyzer, 1/ 4 DIN panel mount IP-65 case. Features 4 fully programmable relays for pH or ORP and one for wash. RS-485 interface, password protected with individual ID' s. 4-20 mA analog output is fully programmable, assignable & reversible. Tinned lead connectors. CE Approved .

* Ph/ ORP/ temp. measurement & control
* Display pH electrode efficiency
* User selectable ATC element: 3k balco, 10k, and pt-1000
* Reversible & isolated 4~ 20ma output
* RS-485 output
* Bumpless calibration
* Graphic LCD dispaly, 128 x 64with backlight
* Membrane switch with audio feedback
* Auto temp. compensation
* High 50/ 60 hz noise rejection
* Pipe/ wall/ panel mounting
* 1/ 4 DIN watertight enclosure
* One programmable relay for temp.
* CE approved
* Programmable linear/ ORP current output or programmable linear/ anti-logarithmic current output

Specifications :

*
Range Resolution Accuracy
pH -2.00 to 16.00 0.01pH ± 0.1 % pH ± 1 LSD
ORP( Absolute) -2500 to 2500mV 1mV ± 0.1 % mV
ORP( Relative) -6499 to 6499mV 1mV ± 0.1 % mV
Temp. -10.0 to 120 ° C 0.1° C ± 0.3° C
*
pH
o Temperature compensation range: -10.0 to 120.0 ° C
o Buffer recognition: 4.01, 7, 10.01 / 4.00, 6.86, 9.18
o Buffer temperature range: 0 to 60.0 ° C
o Electrode slope compensation: ± 30% of ideal slope
o Electrode offset compensation: ± 100 mV
o Input impedance: Greater than 10 exp( 13) ohms
o Calibration auto end point sensing: Yes
Output Relays
o pH or ORP: 4programmable for pH or orp
o Temperature: 1programmable, manual relay
o Control type: On/ off
o Relay output ( resistive load only) : 5amps at 115 VAC 2.5 amps at 230 VAC
o Relay set point hysteresis: User programmable
Current Output
o Type: Isolated 4 to 20 mA
o Range: Selectable zero, & span
o Accuracy: ± 0.02mA
o Isolated voltage: 500 VDC
o Maximum load: 500 w
General
o ATC sensor: 3k balco, 10k, and pt-1000, selectable
o Security protection: 4digit password
o Keypad: Audio feedbackup
o Communication: RS-485
o Pre-amplifier voltage: ± 5 VDC, 20mA max output
o Power source: 115/ 230 VAC, 50/ 60hz
o Dimensions: 1/ 4 DIN, depth 148mm
o Weight: 940 gm