Pathfinder model SK-252

Pathfinder model SK-252

MICROPROCESSOR - A computer on a chip of silicon with thousands of transistors and on-board memory, programmed to perform specific tasks as measurement and control with a high level of performance.

KITS

SK252 pH CONTROLLER	$27000	SK252 ORP CONTROLLER	$270.00
SENSOREX S650CD PROBE	$121.00	SENSOREX S660CD PROBE	$144.00
S653 CAP/CABLE 10 FT.	$ 49.00	S653 CAP/CABLE 10FT	$ 49.00

MANUAL

The Model , SK252 is a microprocessor programmable controller that accepts any combination pH or ORP electrode as an input. Outputs are; one on-off or PID (with FUZZY LOGIC) proportional control relay; this output can be an SSR drive pulse, 3A mechanical contacts or a 4-20mA control signal, The output can be programmed to operate above or below the set point; the 4 to 20 mA output can be used as a proportional pump control signal or a recorder signal proportional to the pH or ORP level (0 to 100% of full scale or any portion there of. Optional programmable alarms can be added to alarm high, low, zone, with absolute or deviation set points. Optional RS 485(Modbus Protocol) output monitors up to 31controllers and comes with free windows based software Optional digital input for remote set point, timer or auto-tune control. The power source is from100 to 240 VAC, 50/ 60Hz free voltage there is no need to change connections for different voltages. The controller is programmable from the front panel via 3 switches, and calibration is done using two front panel adjustment pots. The front panel is a 1/16 DIN, NEMA 4X rated and mounting hardware is provided

SPECIFICATIONS:

Inputs...................................... pH or ORP combination electrode

Control outputs..........................( 1 ) 3A SPDT relay, or voltage pulse SSR, or 4-20mA

Alarm outputs (option)...............(up to 2) 1A SPST relay

Recorder output.........................4 to 20mA non-isolated( in place of a control output)

Front panel..................................NEMA-4X rated

Enclosure..................................1/16DIN panel mount (48x 48 x 95.8mm)

Power.......................................100 to 240vac 50/60 Hz

Programmable timer...................0 to 99h59m

Indicating Accuracy.......... ....... + 0.5% of Fullscale + 1 digit

Sampling Time......................... ..5 Seconds

Indication pH........................... 00.00 to 14.00 pH

Range ORP............................. -1000 to +1000 mv

ATC..........................................1000 ohm pt sensor ( for pH)