Dissolved Oxygen Meter

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LT-52 : Microprocessor D.O. Meter

The LT-52 Microprocessor Dissolved Oxygen (D.O.) Meter is a high-precision instrument designed for accurate measurement of dissolved oxygen levels in water and other liquids. Ideal for use in laboratories, aquaculture, wastewater treatment, and environmental monitoring, the LT-52 ensures reliable performance in a wide range of applications. Equipped with advanced microprocessor technology, the meter features automatic temperature compensation (ATC), salinity and altitude adjustments, and a clear digital display for easy data reading. Its user-friendly interface, fast response time, and stable readings make it a dependable tool for routine and critical D.O. analysis.

Product Features :

ACCESSORIES :

TECHNICAL SPECIFICATIONS :

Display	16x2 LCD display
Display format	Temperature and D.O simultaneously
Stprage	1000 sample with date and time
Interface	USB
Do Range	0 To 20 ppm
Resolution	0.1 ppm
Temperature Comp	Automatic With Pt 100 Probe & Manual With Keys
Pressure Adjustment	0 To 999 Mm 01 Hg manual
Salinity Correction	0 To 20 Grill (manual)
Calibration	Automatic
Accuracy	± 2% +1 Digit1
Temperature Range	-20.0 TO+200°C
Resolution	0.1°C
Accuracy	±0.2 %
Input Type	Pt 100
Calibration	Manual
Power	230V A.C 50 HZ
Weight	1 Kg

AD-630 : Professional waterproof Portable DO Meter

The AD-630 Professional Waterproof Portable Dissolved Oxygen (DO) Meter is a rugged and high-precision instrument designed for accurate DO measurement in field and laboratory environments. Ideal for aquaculture, environmental monitoring, wastewater treatment, and industrial applications, the AD-630 delivers fast, stable, and reliable readings even in challenging conditions. Built with a waterproof housing (IP67 rated), the AD-630 is suitable for use in wet and outdoor environments. It features a clear digital display, automatic temperature and salinity compensation, and easy one-touch calibration for user convenience. The ergonomic design, long battery life, and replaceable DO probe make it an essential tool for professionals requiring portable, on-the-go oxygen analysis.

ACCESSORIES :

AD8001/3 - Galvanic DO probe with built-in temperature sensor
AD8001A/P - Spare membrane with O-ring (5 pcs)
AD7040 - Two-component zero oxygen solution
AD7040 - Two-component zero oxygen solution
AD7040 - Two-component zero oxygen solution
AD9551 - Serial communication cable
AD9345 - Hard carrying case (Dimensions: 400 mm x 300 mm x 100 mm)

TECHNICAL SPECIFICATIONS :

Range	0.00 to 45.00 ppm O2
	0.0 to 300.0 % saturation
	0.0 to 50.0°C / 32.0 to 122.0°F
Resolution	0.01 ppm / 0.1%
Resolution	0.1°C / 0.1°F
Accuracy	±1.5% f.s. (DO)
Accuracy	±0.5°C / ±1.0°F
DO calibration	Automatic at 1 or 2 standard points (0 and 100%) or 1 custom point (> 20%)
Tempreature Calibration	User offset adjustment
Temperature Compensation	Automatic from 0 to 50°C
Altitude Compensation	0 to 4000 m (resolution 100 m)
Salinity Compensation	0.0 to 50.0 g/l (resolution 0.1 g/l)
Memory	Log-on-demand: Up to 100 samples
GLP	Yes
PC Interface	RS232 port
Probe (included)	AD8001/3 - Galvanic DO probe with internal temperature sensor, DIN connector and 3 m cable
Environment	0 to 50°C (32 to 122°F) RH max. 100% non-condensing
Battery Type / Life	4 x 1.5 V AA alkaline battery / Approx. 200 hours of continuous use
Auto shutt-off	User selectable: 5 minutes or disabled
Dimensions / Weight	188 x 96 x 70 mm / 460 g

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