英国Harwell 红色4034 pmma辐射剂量计，Harwell Radspin丙氨酸辐射剂量丸，英国Harwell Dosimeters氨酸辐射剂量丸，

测量alpha射线，Beta射线，gamma射线，X射线辐射！

 品名：Harwell Red 4034 pmma辐射剂量计，Harwell Amber 3042 pmma 辐射剂量计, Harwell Radspin辐射剂量剂，Harwell Alanine Pellets剂量计。

Harwell红色4034剂量计

说明书

用于测量辐射剂量的Harwell红色4034剂量计

1、材料：单批红色4034剂量计由一块聚甲基丙烯酸甲酯板材制作。

2、尺寸：30mm×11mm。厚度3±0.55mm

3、测量重复性：同批剂量计，在不均匀度小于±1%的辐照场中同时辐照，用640nm波长测量，在5-50kGy剂量范围内，其吸光率测量的变异系数小于2%。

4、校准能力：在校准范围内，所有吸光率测量数据的平均值与使用最小二乘拟合的四阶多项式的数据相比，误差在2%以内。

5、溯源性：Harwell剂量计的校准，溯源到英国国家物理实验室吸收剂量标准。

                  与英国国家物理实验室相互比较来验证每批剂量计的校准性能。

6、保质期：从发售日期起10年内。

7、包装：用聚酯/铝箔/聚酯/聚乙烯材料制成的带有标签的小袋密封包装，每箱1000片。

Harwell Red 4034

Harwell Red 4034 Dosimeters

Red 4034 are made from radiation-sensitive poly-methylmethacrylate (pmma) in the form of optically transparent pieces individually sealed in laminate sachets. They darken when irradiated, and the radiation-induced darkening, accurately measurable by means of a spectrophotometer, is a function of the radiation dose absorbed.

Dose Range

Red 4034 has a functional dose range of 5 kGy to 50 kGy which makes it idea for a wide range of irradiation processes.

Material

The 4034 Red is made from single batches of cast sheets of poly-methylmethacrylate (pmma)

Dimensions

Harwell Dosimeters then cut the sheets down into plaques of 30mm x 11mm with a thickness of 3mm (+/- 0.55mm)

Packaging

After inspection the dosimeters are packaged into sealed sachets made of polyester/aluminium foil/polyester/polyethylene laminate. With each sachet being labeled with a unique bar coded label.

Packed 1,000 per carton.

(Packing to defined AQL's checked to BS6001 (ISO 2859-1), single normal inspection, level II.)

Measurement reproducibility

Coefficient of variation of specific absorbance measurements on sets of dosimeters for the batch, simltaneously irradiated together, in a gamma radiation field uniform within +/- 1%, is 2% over the entire calibrated range, 5 to 50 kGy.

Calibration quality

Over the calibrated range, all mean specific absorbance data points thus obtained are within 2% of a fourth-order polynomial least-squares fit to the data.

Shelf-life

Ten years from the date of release.

Traceability

Harwell calibration is traceable to the UK standard of absorbed dose at the National Physical Laboratory (NPL).