Dissolved Oxygen (DO) 1000 Controller from Oakton Instruments

Dissolved Oxygen (DO) 1000 Controller

Use for accurate dissolved oxygen control in your wastewater or aquaculture process.

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	Large dual LCD shows DO plus temperature simultaneously
	Two set point,two SPDT relay operation- choose from lo/lo hi/lo or hi/hi control
	Select between three control modes: on/off, proportional pulse length or proportional pulse frequency
	Separate alarm relay
	Push button one- or two-point calibration
	Key in salinity and pressure manually, the controller automatically calculates offset values
	Selectable readout in mg/l, ppm or % saturation
	Separately adjustable high and low set point hysteresis bands
	Transmitter/recorder output for hard copy recording
	Two level password protection
	LED indicators signal control activities
	Built-in memory backup

Our OAKTON 1000 series 1/4 DIN dissolved oxygen controller features independent 100% and zero adjustment calibrations and offset adjustment capabilities to ensure high accuracy for your exact conditions. Its 0 to 2000 second selectable time delay and adjustable set point hysteresis bands means you can tailor control relay action to your specifications.

Each unit is selectable for isolated 0-20 or 4-20 mA transmitter/recorder output; 110 or 220 VAC; normally open or closed relays; and manual or automatic temperature compensation. The compact 1/4 DIN size fits into standard panel cutouts. The IP54 rated front panel keypad is weather resistant. Includes mounting hardware.

Click below to download Acrobat (.pdf) file of:
DO 1000 controller Product Bulletin
DO 1000 controller Manual
Tech Tip: Comparison Between Polargraphic and Galvanic DO Sensor Technologies

Measures	Dissolved oxygen, °C
% saturation Range	0.00 to 200%
% saturation Resolution	1%
% saturation Accuracy	±1.5% full-scale
mg/l (ppm) Range	0.0 to 20.00 mg/l (ppm)
mg/l (ppm) Resolution	0.01 mg/l (ppm)
mg/l (ppm) Accuracy	±1.5% full-scale
Temperature Range	0 to 50°C
Temperature Resolution	0.1°C
Temperature Accuracy	±0.5°C
Calibration Dissolved Oxygen	one or two points (100% and 0% saturation)
Calibration Temperature	offset up to ±5°C
Control Type	on/off or proportional (selectable)
Number of Inputs	one
Number of Set Points	two (high and low)
Separate Alarm Relay	yes
Output Control	2 SPDT relays, 6 A at 110 VAC, 250 VAC maximum
Output Alarm	1 SPDT relay, 6 A at 110 VAC, 250 VAC maximum
Output Pulse	pulse length (0.5 to 20 sec) or pulse frequency (60 to 120 pulses per min)
Output Current	isolated 0-20.4-20 mA, with 20% to 100% full-scale scalable boundaries, 600 maximum load
Hysteresis	0.1 to 1.0 mg/l; 1 to 10%
Relay Selay	selectable, 0 to 2000 seconds
Input Impedance	10^12 M
Electrical Isolation	yes, galvanically
Salinity Correction	manual input from 0.0 to 50.0 ppt; automatic correction
Barometric Pressure Correction	manual input from 0.0 to 50.0 ppt; automatic correction
Temperature Sensor	100 Pt RTD
Temperature Compensation	Automatic or manual from -9.9 to 125°C
Password Protection	two level password
Display	dual line LCD, 4-digit upper and 3 1/2 digit lower
Operating Temperature	-10 to 60°C
Housing	1/4 DIN
Dimensions	3.8" x 3.8" x 6.9" (9.6 x 9.6 x 17.5 cm)
Shipping Weight	2.5 lbs (1.2 kg)

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