Portable Density Meter

LONN ND80 inline viscometer with vibrating fork technology for continuous viscosity measurement. ±1% FS accuracy, dual 4-20mA + RS485, Ex certified, ANSI flange, 316L/Hastelloy.

Measurement Principle： Vibrating fork (tuning fork)
Viscosity Range： 0 – 5,000 cP (segment calibratable)
Viscosity Accuracy： ±1% FS
Temperature Range： -10°C to +200°C (standard) / up to +400°C (high-temp)
Output： Dual 4-20mA (viscosity + temperature) + RS485 Modbus
Power Supply： 24V DC
Process Connection： ANSI 150LB RF Flange
Wetted Materials： 316L SS / Hastelloy C

Online Viscometer — LONN-DN60 Integrated Viscosity Meter

LONN-DN60 online viscometer with integrated sensor and transmitter. 0-5,000,000 cP range, Ex d IIC T6, 4-20mA + RS485. Wide temperature 0-300C. Built-in display.

Measurement Principle： Tuning fork vibration
Viscosity Range： 0 – 5,000,000 cP (segment calibratable)
Viscosity Accuracy： ±3.0% of reading
Explosion Protection： Ex d IIC T6 (flameproof)
Output： 4-20mA + RS485 Modbus RTU
Power Supply： 24V DC
Medium Temperature： 0°C to +300°C
Protection Class： IP67 / IP68 (probe)

Split Type Viscometer — LONN-DN100 Online Viscometer

LONN-DN100 split type viscometer for online viscosity measurement in hazardous areas. Ex d IIC T6 flameproof, 4-20mA + RS485 Modbus. Also measures density.

Measurement Principle： Tuning fork vibration
Viscosity Range： 0 – 10,000 mPa·s (calibratable segment)
Viscosity Accuracy： ±2.5% of reading
Explosion Protection： Ex d IIC T6 (flameproof)
Output： 4-20mA active + RS485 Modbus RTU
Power Supply： 24V DC

Portable Density & Concentration Meter LONN800A – Split-Type Touch Screen

LONN800A split-type portable density & Concentration meter and handheld concentration meter, ±0.001g/cm³ density accuracy, ±0.5% concentration accuracy. Tuning fork sensor, 4.3″ touch screen, detachable probe, 5-second response.

Measurement Type： Density + Concentration (split-type)
Density Range： 0-2.5 g/cm³
Density Accuracy： ±0.001 g/cm³
Density Resolution： 0.0001 g/cm³
Density Repeatability： ±0.0002 g/cm³
Concentration Range： 0-100% (pre-programmed curves at 20°C)
Concentration Accuracy： ±0.5%
Response Time： ≤ 5 seconds
Power Supply： Built-in lithium battery (7.4V DC) + USB-C charger
Display： 4.3-inch color LCD touch screen
Sensor Type： Tuning fork vibration (detachable probe)
Probe Material： 316L stainless steel
Cable Length： 1.5 m standard (extendable to 10 m)

LONN800 Professional Handheld Density & Concentration Meter

LONN800 handheld density & concentration meter is aportable, battery-powered density and concentration measurement instrument designed for on-site testing in pharmaceutical, chemical, ±0.003g/mL accuracy. Measures density, concentration & Baumé. Portable, battery-powered, 2-second response.

Measurement Type: Density + Concentration + Baumé (integrated)
Density Range: 0-2 g/mL (custom calibration available)
Density Accuracy: ±0.003 g/mL
Density Resolution: 0.0001 g/mL
Density Repeatability: ±0.0005 g/mL
Concentration Range: 0-100% (calibrated at 20°C)
Concentration Accuracy: ±0.5%
Response Time: 2 seconds
Power Supply: Built-in lithium battery (3.7V DC) + charger
Display: LCD with backlight (button operation)

LONN7001 Tee Ultrasonic Density & Concentration Meter — Flange DN25 Inline

LONN7001 tee ultrasonic density & concentration meter with flange DN25 connection. Non-nuclear acoustic impedance, 4-20mA/RS485. For chemical & petrochemical inline monitoring.

Measurement Principle： Ultrasonic Acoustic Impedance
Measuring Range： 0–100% solids (concentration); 0.5–3.0 g/cm³ (density)
Accuracy： ±1% of reading (concentration)
Output： 4-20mA + RS485 Modbus RTU
Process Connection： Flange DN25 (ANSI/DIN/JIS)
Process Temperature： -25°C to +150°C
Power Supply： 24V DC or AC220V

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