HZ1821 Automatic Petroleum Kinematic Viscosity Tester (ASTM D445 Water Bath)

Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of HZ1821 Automatic Petroleum Kinematic Viscosity Tester (ASTM D445 Water Bath) in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.

HZ1821 Automatic Petroleum Products Kinematic Viscosity Tester (with Dynamic Viscosity Calculation)

I. Overview

The instrument meets the requirements of the national standard GB/T 265 Petroleum Products – Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity. It accommodates four viscosity tubes for simultaneous experiments and can also be used as a high-viscosity constant temperature water bath for other tests.

The tester features a color LCD large-screen English display with a keypad-free design, providing clear and intuitive operation. Precision platinum resistance PT100 is used for temperature measurement, with an adjustable range of 10 °C to 100 °C. The main and auxiliary heaters switch automatically to maintain stable temperature control. The capillary constant is stored even when power is turned off, ensuring convenience and continuity between testing sessions.

The instrument automatically calculates the viscosity value, streamlining the testing process and reducing manual calculation errors. This product also complies with ASTM D445. Manual cleaning of test tubes is supported, and automatic calculation of viscosity values ensures accurate and efficient results.

II. Main Technical Indicators and Parameters

Constant Temperature Bath: Round glass tank with uniform temperature distribution and excellent temperature control performance (dual-tank configuration available).

Temperature Control: Equipped with a precision digital temperature controller. The actuator employs a solid-state relay (SSR), featuring accurate temperature control, no contact, no noise, no spark, fast response, and long service life.

Capillary Holder: Three‑point vertical design – flexible and convenient operation with reliable clamping.

Capillary Viscometer Options: Compatible with Pinkevitch (Pin-type) viscometer, Ubbelohde viscometer, or Cannon-Fenske viscometer.

Data Output: USB input function – data can be exported to a PC for long‑term storage.

Storage Capacity: Stores up to 199 sets of historical test results for easy query.

Output Format: USB export format – CSV or Excel.

Temperature Control Range: Room temperature +10 °C to 100 °C (freely settable); optional two‑cylinder two‑hole configuration up to 150 °C.

Temperature Control Accuracy: ±0.1 °C.

Display Mode: Digital display.

Number of Test Holes: 4 holes.

Stopwatch Timing: 0.05 s to 99 min 99.99 s.

Heating Power: 1800 W.

Power Supply: AC 220 V ±10%, 50 Hz ±5%.

Dimensions: 190 mm × 380 mm × 280 mm.

Consumables Required (Customer‑Supplied): Water or glycerin. In strict accordance with national standards, the viscosity tube must be cleaned with the following reagents before each experiment: solvent naphtha or petroleum ether.

Packing List

Our Services:

Within one year from the date of purchase, any product quality issues will be covered by free repair or replacement. We provide lifelong maintenance and technical support services. If any abnormality or malfunction is detected, please contact us to arrange the most convenient solution.

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