	Two set point, two SPDT relay for on/off control
	Reliable power supply from 85 to 250 V AC/DC withstands voltage fluctuations
	Two separately adjustable hysteresis bands prevents rapid contact switching at either set point
	Selectable symmetrical mode operation eliminates electrical noise
	Two-point pH calibration; offset ORP and temperature calibration
	4-20 mA output for remote monitoring or hard copy recording
	Two level password protection for calibration and setup parameters
	Toggle between pH (or mV) and temperature display
	Removable terminal strips offer quick and easy connections
	Battery back-up of memory maintains set-up if power fails

These sturdy, compact controllers withstand voltage fluctuations from 85 to 250V AC/DC! They are ideal for installation were electrical fluctuations are common, or install them in series throughout areas of differing electrical conditions.

Advanced setup mode lets you set relay values, select pH or ORP control, select manual or automatic temperature compensation, and more. It also lets you view electrode slope and offset, and previous calibration points.

The 1/8 DIN housing is ready to install in standard panels and NEMA rated boxes. Includes mounting hardware; accepts electrodes with BNC connectors and 100 Pt RTD ATC elements.

Click below to download Acrobat (.pdf) file of:
pH 200 controller product bulletin
pH 200 controller manual

Measures	pH, mV, °C
pHRange	0.00 to 14.00 pH
pHResolution	0.01 pH
pHAccuracy	±0.01 pH
pHCalibration	up to 2 points (1.68, 4.01, 6.86, 7.00, 9.00, 10.00, 12.45)
mVRange	±1000 mV
mVResolution	1 mV
mVAccuracy	±2.0 mV
mVCalibration	offset up to ±150 mV
TemperatureRange	-10.0 to 110.0°C
TemperatureResolution	0.1°C
TemperatureAccuracy	±0.5°C
TemperatureCalibration	offset to ±10°C
Control type	on/off
Number of inputs	one
Number of set points	two (high and low)
Separate alarm relay	no
OutputControl	2 SPDT nonpowered relays, 6A at 110 VAC; 250 VAC max.
OutputCurrent	4 to 20 mA output, isolated
Hysteresis	adjustable; 0.0 pH to 2.0 pH or 0 to 300 mV
Input impedance	10^12
Temperature Sensor	2 or 3 wire 100W Pt RTD
Temperature Compensation	Automatic or manual, from 0 to 100°C
Password protection	two level (calibration and setup parameters)
Display	scrolling 14-segment LED, four digit
Operating Temperature	0 to 50°C, 10 to 95% RH
Housing	1/8 DIN
Dimensions	48 x 96 x 150 mm; panel mount 91 x 45 mm
Shipping weight	3 lb (1.4 kg)

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