Lutron CD4303

Conductivity Meter (High Performance) + RS232

Model : CD‑4303

Microcomputer circuit assures maximum possible accuracy, provides special functions and features.
Super large LCD display with contrast adjustment for best viewing angle.
Dual function meter’s display.
Heavy duty & compact housing case, designed for easy carry out & operation.
Records Maximum, Minimum and Average readings with RECALL.
DATA HOLD function for stored the desired value on the display.
Auto shut off saves battery life.
The portable conductivity meter provides fast, accurate readings, with digital readability and the convenience of a remote probe separately.
RS232 PC serial interface.
Innovative feature with built‑in automatic temperature compensation values, adjustable between 0 to 5.0% per ℃.
Wide automatic temperature compensation range from 0 ℃ to 60 ℃, high accuracy.
Carbon rod electrode for long life.
Shows the conductivity & temperature values at the same LCD display.
Temperature function ℃ or ℉ could be selected by push button on front panel easily.
Built‑in low battery indicator.
Wide applications : water conditioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college, water conditioning.

Circuit	Custom one‑chip of microprocessor LSI circuit.	Solution Temp. Coefficient Factor	Preset to 2.0 % per ℃.
Display	* 13 mm (0.5") Super large LCD display with contrast adjustment. * Dual function meter’s display.	Operating Temperature	Automatic from 0 to 60 ℃ (32 to 140 ℉), with temperature compensation factor variable between 0 to 5.0% per ℃.
Measurement & ranges	200 uS – 0.1 uS to 199.9 uS. 2 mS – 0.2 mS to 1.999 mS. 20 mS – 2 mS to 19.99 mS.	Operating Humidity	Less than 80% RH.
Sensor Electrode	Carbon rod electrode, high reliability.	Power Supply	006P DC 9V battery (heavy duty type).
Data Hold	Push button.	Power Current	Approx. DC 7.8 mA.
Memory Recall	Records Maximum, Minimum and Average readings with RECALL.	Weight	350 g / 0.77 LB.
Power off	Auto shut off saves battery life or manual off by push button.	Dimension	Main instrument : 180 x 72 x 32 mm. (7.1 x 2.8 x 1.3 inch) Conductivity probe : Round, 22 mm Dia. x 120 mm length.
Sampling Time	Approx. 0.8 second.	Accessories Included	Instruction manual .......... 1 PC. Conductivity electrode ...... 1 PC. Carrying case ............... 1 PC.
Data Output	RS232 PC serial interface.	Calibration Solution	1.413 mS calibration solution, CD‑14 (optional).
Over input indication	Indication of “----”.

Function	Range	Measuring value	Resolution	Accuracy
Conductivity	200 uS	0.1 to 199.9 uS	0.1 uS	± (2% F.S. + 1 d)
	2 mS	0.2 to 1.999 mS	0.001 mS
	20 mS	2 mS to 19.99 mS	0.01 mS
Temperature	℃	0 ℃ to 60 ℃	0.1 ℃	±0.8 ℃
Temperature	℉	32 ℉ to 140 ℉	0.1 ℉	±1.5 ℉

Selling Unit	EACH
Model No	CD4303
Brand
Description	Conductivity Meter (High Performance) + RS232
Categories	Test & Measurement Equipment Digital Test Equipment Analytical Meters
Data Sheet

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