The HESON HS-XNR-400A melt flow index tester manual provides specifications, installation, operation, and service information.
The HS-XNR-400A melt flow index tester from HESON is designed to measure the volume flow rate of thermoplastic melt (MFR) according to GB/T9643, GB/T3682, JB/T5456, ISO1133 and related standards. It uses automatic sampling, balance weighing, and displays results on an LCD screen with micro‑printer output.
The document includes detailed instrument specifications, a list of accessories, and instructions for delivery, installation, commissioning, training, and after‑sales service. Shanghai HESON Instrument Technology Co., Ltd. provides transport and installation guidance, while the customer handles on‑site lifting. Free operation and basic maintenance training are offered, and a one‑year warranty with 24‑hour on‑site repair response is described. This manual is written in Chinese.
| Measurement range | 0.1-400.00 g/10 min (MFR) |
|---|---|
| Temperature range | Room temperature – 450 °C |
| Temperature control accuracy | ±0.2 °C |
| Timing accuracy | 1 s or 0.01 s |
| Power | 0.45 kW |
| Power supply | AC 220 V, 50 Hz |
| Dimensions | 400 mm × 500 mm × 600 mm |
| Net weight | 60 kg |
| Sample cylinder inner diameter | 9.550 mm ±0.025 mm |
| Sample cylinder length | 160 mm |
| Nozzle material | Carbide tungsten |
| Nozzle length | 8.000 mm ±0.025 mm |
| Nozzle inner diameter | 2.095 mm ±0.005 mm |
It measures melt flow rate from 0.1 to 400.00 g per 10 minutes (MFR).
The tester works from room temperature up to 450 °C.
The whole machine has a one‑year warranty after final acceptance, with free on‑site repair within 24 hours for faults caused by quality.