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UNIDOS webline Dosemeter

UNIDOS webline Dosemeter

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UNIDOSwebline Dosemeter


Open Section J: Electrometers, Dose Monitoring, MOSFET & Diodes(PDF) to view related products. (Opens in a new tab)

UNIDOSwebline Dosemeter

UNIDOSwebline is a high-precision, secondary standard reference class dosemeter combined with modern network features.

This unique dosemeter offers high quality, reliability and an excellent adaptation to the measuring tasks. The Ethernet interface based on the TCP/IP protocol makes it possible to integrate the UNIDOSwebline in a LAN for remote access and email capability. Its large, user-configurable TFT display guarantees visibility from wide angles. UNIDOSwebline features an easy to use menu prompting operation with help texts. Important settings can be password protected (different levels). The operation language is selectable. A comprehensive statistic and data logging function is implemented. Up to 100 measuring values are stored in a list. The data can be reviewed and exported. Mean value and relative standard deviation are displayed on the measuring screen. Chamber data are stored in a comprehensive chamber library. Air density is corrected by keying in air pressure and temperature or by means of radioactive check devices. The check device data are stored in a database. An internal clock calculates the isotope radioactivity decay. The device features both mains and battery operation.

Ease of Use
• Active, configurable TFT display.
• Large measuring display easily visible from great distances and wide viewing angles.
• Easy and fast menu-driven handling with navigation knob and help texts

Network compatibility
• Integration in a LAN with the internet standard TCP/IP. Operation, measuring data acquisition and communication from every VNC client in the network via TCP/IP interface.
• Extensive self-test routines with the possibility to e-mail status reports


Highest classification in all applications (radiation therapy, diagnostic radiology, health physics).

Surpasses the requirements for reference class dosemeters according to IEC 60731, the IPEM secondary standard dosemeter guidelines, IEC 61674 for diagnostic radiology and IEC 60846 for health physics.


Type of Product:  High precision dosemeter according to IEC 60731, IEC 61674 and IEC 60846.

Measuring Quantities/Units: 
Absorbed dose to water (Gy)
Air Kerma (Gy)
Photon equivalent dose (Sv)
Ambient dose equivalent H*(10)
Exposure (R)
Dose length product (Gy-cm)
Activity (Bq), (Ci)
Corresponding rates of before mentioned- Charge (C)
Current (A).

Measuring Ranges: 
Charge:  2 pC  8.991 C
Current:  200 fA  2.5µA

Charge:  10 fC
Current:  1 fA

Long-term Stability:  <0.5% p.a.
Non-linearity:  <0.5% according to IEC
Interval Time:  1-9,999 s
Temperature Range:  50-104°F (10-40°C) 
Relative Humidity Range:  20-80%, max 20 g/m³

Leakage Current:  ±1 fA.
Amplifier Zeroing:  automatically within approx. 75 s
Chamber Voltage:  400 V in 1 V increments
Interfaces:  IEEE802 (TCP/IP), RS232
Power Supply:  (85 - 265) VAC, (50/60) Hz resp. rechargeable batteries AA (NiMH)
Dimensions:  152 mm x 257 mm x 262 mm (H x W x D) 5.98 in x 10.12 in x 10.31 in
Weight:  Approx. 5.9 kg, 13.0 lbs

Data Sheet


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