Model : 6311 pH, ORP, Temperature In-line Analyzer

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

ORP( Absolute) Range : -2500 to 2500mV
ORP( Absolute) Resolution : 1mV
ORP( Absolute) Accuracy : ± 0.1 % mV

ORP( Relative) Range : -6499 to 6499mV
ORP( Relative) Resolution : 1mV
ORP( Relative) Accuracy : ± 0.1 % mV

Temp. Range : -10.0 to 120 ° C
Temp. Resolution : 0.1° C
Temp. Accuracy : ± 0.3° C

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

Output Relays
pH or ORP: 4programmable for pH or orp
Temperature: 1programmable, manual relay
Control type: On/ off
Relay output ( resistive load only) : 5amps at 115 VAC 2.5 amps at 230 VAC
Relay set point hysteresis: User programmable

Current Output
Type: Isolated 4 to 20 mA
Range: Selectable zero, & span
Accuracy: ± 0.02mA
Isolated voltage: 500 VDC
Maximum load: 500 w

General
ATC sensor: 3k balco, 10k, and pt-1000, selectable
Security protection: 4digit password
Keypad: Audio feedbackup
Communication: RS-485
Pre-amplifier voltage: ± 5 VDC, 20mA max output
Power source: 115/ 230 VAC, 50/ 60hz
Dimensions: 1/ 4 DIN, depth 148mm
Weight: 940 gm