Description
New capabilities of Terra-P+
In comparison with “TERRA-P” dosimeter-radiometer, “TERRA-P +” has new features:
- wider measurement range of gamma radiation ambient dose equivalent rate
- measurement of surface beta-particles flux density
- measurement of ambient dose equivalent accumulation time
- automatic subtraction of gamma background at measurement of beta contamination
- programming of threshold level values:
– gamma radiation ambient dose equivalent rate
– gamma radiation ambient dose equivalent
– surface beta-particles flux density
- digital display backlight
- wider operating temperature range
TERRA-P+ is used to:
- control personal radiation safety of the user
- carry out radiation monitoring of:
– apartments and offices,
– items of everyday use,
– clothes,
– means of transportation,
– bank-notes,
– building materials,
– ground surface of infields,
– food items (especially berries and mushrooms)
Purpose of Use
- Measurement of gamma radiation ambient dose equivalent rate (DER)
- Measurement of gamma radiation ambient dose equivalent (DE)
- Measurement of surface beta-particles flux density
- Measurement of ambient dose equivalent accumulation time
- Real time measurement (clock)
TERRA-P+ Features
- Five independent measuring channels with alternate indication of data on the single liquid crystal display
- Built-in gamma, beta sensitive Geiger-Muller counter
- Automatic setting of measurement intervals and ranges
- Audio signalling of each detected gamma-quantum and beta-particle
- Two-tone audio alarm of exceeded programmed threshold levels
- Digital display backlight
- Two AAA size batteries
- Low battery indication
- Shock resistant body
- Small weight and dimension parameters
Measurement ranges and main relative errors | ||
Gamma radiation dose equivalent rate (137Cs) |
µSv/h |
0.1…5 000 |
% |
,where is a numeric value of the measured DER in μSv/h | |
Gamma radiation dose equivalent (137Cs) |
mSv |
0.001…9 999; ±25% |
Beta-particles flux density (90Sr+90Y) |
1/(сm²·min) |
10…10 000; |
% |
,where – is a numeric value of the measured surface flux density in part./(cm2·min) |
|
Dose equivalent accumulation time and accuracy of measurement |
1min…100h; ±0.1s per 24h |
|
Energy ranges of measurement and energy dependence |
||
Gamma radiation |
MeV |
0.05…3.0; ±25% |
Beta radiation |
MeV |
0.5…3.0 |
Ranges of threshold level values programming for: – ambient dose equivalent rate – ambient dose equivalent – flux density |
µSv/h mSv |
0…5 000 0…9 999 0…9 999 |
Resolution of threshold level programming for: – ambient dose equivalent rate – ambient dose equivalent – flux density |
µSv/h mSv |
0.01 |
Battery life |
hours |
2 000 |
Operating temperature range |
°С |
-20…+50 |
Weight |
kg |
0,15 |
Dimensions |
mm |
120×52×26 |
Delivery Kit
- MKS-05 “TERRA-P+” dosimeter-radiometer
- leather case
- operating manual
- packing box