Highlights
General
- Measurement of the dose rate
- Monitoring radiation exposure and ensuring an acceptable limit value
- Display of immediate changes in the gamma radiation field
Features
- Adjustable proportional mode and ionization chamber mode
- Special radioactive control device for performance control of the probe
- Comparison between measured value and reference value with deviation information
Measuring
- Measurement in continuous or pulsed gamma fields
- Equivalent doses and dose rates H*(10) in an energy range from 15 keV to 6.7 MeV
- Accurate determination of the received dose
Product Overview
Technical Data
| LB 135 TOL/G | Ident no. 72320 |
| Type | H*(10) gamma dose rate monitor |
| Energy range | 15 keV to 6700 keV |
| Dose range | LDR: 10 nSv to 10 mSv HDR: 50 µSv to 10 Sv up to 9999 s |
| Dose rate range | LDR: 0.1 µSv/h to 10 mSv/h HDR: 1 mSv/h to 10 Sv/h |
| Life span of the counting tube | 500 mSv in low-dose mode |
| Auxiliary voltage Power consumption | 4.75 to 5.25 V 80 to 120 mA |
| Ambient temperature in operation | -20°C to +40° |
| Storage ambient temperature | -20°C to +50°C |
| Rel. humidity (Probe) | 10% to 90% (non-condensing) |
| Rel. humidity (Display unit) | 10% to 85% (non-condensing) |
| Protection class (Probe) | IP 53 |
| Protection class (Display unit) | IP 43 (according to DIN IEC 60529) |
| Weight (Probe) | ca. 300 g |
| Weight (Display unit) | ca. 800 g (incl. batteries) |
| Data storage | 2400 recordings with date and time |
| Dimensions | 160 x 160 x 55 (L x H x D in mm) |
| Communication | USB (1 host for USB stick), RS-485 (for detector) |
| Alerts | Acoustical and/or visual |
| Warnings | Detector failure, temperature, warning threshold and measuring range threshold exceedance |
| Operating voltage | 6 VDC ±5% |
| Battery supply | 4 batteries rechargeable via mains unit |
| Radioactive control device | Ident no. 72270 |
| Source | 90Sr |
| Activity | 2,5 kBq |
| Tolerance | +0%, -30% |