亚洲日韩精品无码一区二区三区,日韩精品无码一区二区三区久久久 ,国产高清乱理伦片中文,无码精品久久久天天影视

Display unit:

μSv/h, cps, Bq, Bq/cm2, Bq/l

Display and measurement range:

Dose rate: 0.00 μSv/h to 5,000 μSv/h
Pulses: 0.0 to 10,000 cps
Activity (depends on the radionuclide): 0 to max. 100,000 Bq
Surface activity (depends on the radionuclide): 0 to approx. 5,000 Bq/cm2
Food: 500 to 100,000 Bq/L
(related to Cs-137, 30% statistical uncertainty for 1 Sigma, at 0.1   μSv/h  background radiation)

Gamma sensitivity (Cs-137)

4.3 Counts/sec./μSv/h

Energy response for dose rate   measurements [μSv/h]

24 keV to 1,253 keV +/- 40%, lid has to   be closed, see Figure 33

Detector:

Geiger-Mueller pancake, max. diameter:   53.6 mm; active diameter 44.5 mm,    active counter tube surface 15.55 cm2, window: 2.0 mg/cm2

Grid:

0.8 mm thick stainless steel, easily   removable, 80% transparent

Distance between grid and detector   surface

3.6 mm

Measurement intervals

Automatic adjustment from 1 to 60   seconds
  Adjustable in Count up mode by buttons

Display:

6-digit 7-segment LCD display plus   5-digit alphanumeric display for alarm and status reports

Alarm thresholds:

See Chapter 2.2

Alarm:

Visual and acoustic. The frequency of   the beep will increase according to the level of the alarm threshold.

Acoustic registration of impulses:

Can be activated by buttons and   MiniTRACE Software

Reference source:

Co-60 meeting DIN ISO 8769 (DKD   certified).
  Cs-137: Source number: CDC 7915

User calibration:

Possible using infrared interface.

Battery life:

Typically 2,000 hours

Energy supply:

2 batteries (type: LR6, AA, MN 1500),   protected against changes to polarity.

Operational temperature range:

-10°C to +40°C (14°F to 104°F)

Weight; Dimensions

320 g incl. batteries; 82 mm x 24 mm x   139 m

Compatibility:

IEC 60325, IEC 60846 (partially), IEC   61000-3.

Accessories (optional):

User software for change of settings by   infrared communication.
Infrared reader.
Accessories for food and wipe tests