The ERiS2-D , which is the evolution of the Eris1D model, is a portable radiometer, small in size, compact and very light, which allows two different types of measurement: the measurement of gamma radiation and X-Rays dose rate (µSv/h), and the measurement of the alpha, beta and gamma radioactive contamination rate (cps).

The ERiS2-D has a Geiger-Müller detector with an open mica window for detecting the alpha, beta and gamma contamination. The measure of contamination rate (cps) is performed placing the filter so that the window of the detector is completely open. The measure of equivalent dose rate (µSv/h) is performed placing the filter so that the window of the detector is completely covered. The way to switch the type of measure is very easy: simply turning the filter, covering or not the window. A sensor detects the filter position and sets automatically the measuring type on the display.

The monitor is ready to use as soon as it is turned on and the surfing on the menu is very intuitive and user-friendly. Its sophisticated firmware calculates the average value of the detected events in last seconds, correcting the dead time of the detector. This reading is very stable, but it is automatically updated when the radiation field varies more than three times the standard deviation of the previous reading. This makes the monitor has a fast response time and steady readings.

Both the measuring mode in µSv/h and the measuring mode in cps, the ERiS2-D has a search mode consisting of a graph with the last 30 measures with a time constant of only 5 seconds, so it is possible to intuitively see small changes in radiation levels. In adition, in the measuring mode in cps it has the counter mode where it is possible to count during a time set by the user, ideal for smear measurements.

The two types of measurement, radiation rate and pollution rate, have independent and adjustable alarm threshold values remaining memorized in the non-volatile memory. If the measurement exceeds these values, an alarm message will be displayed on the screen, in addition to an indication bright and/or sound. In addition, the ERiS2-D continuously checks the status of the equipment , displaying a message on the screen in case the level of the battery is low, or there is a fault in the detector.

The ERiS2 allows you to save the measurements , which include the date, time, measurements, unit, etc. It saves manually, or automatically with sampling times configurable. A simple software allows the download and storage of the data on a PC.

AVAILABLE MODEL:

Model	Reference	Description
ERiS2-D	LAM049V01	Monitor for radiation and contamination measuring	Quote request

INCLUDED ELEMENTS:

	ERIS2-D
Batteries charger	✔
USB communication cable	✔
User's manual (in USB drive)	✔
Data download software (in USB drive)	✔
Calibration Certificates (ISO9001)	✔

COMMON TECHNICAL SPECIFICATIONS:

	ERIS2-D
Memory	Record of date, time, measurement, parameters, status, etc. Selection of manual, automatic or timer. Capacity for approx. 8000 memory locations.
Connectivity	-USB 2.0, Mini-B type connector, for communication and battery recharge.
Power	High capacity internal rechargeable Lithium-Ion battery. Autonomy depends on the operational options. Maximum autonomy without recharge of approx. 300 hours (measuring background).
Response time	Dynamic, minimum 2 s, 3-sigma criterion (standard deviation of the mean).
Pushbuttons	Cover and high quality membrane keys.
LED	Bicolor, alarm indication (red), and battery recharge (blue).
Display	Graphic LCD, with backlight controlled by keyboard.
Audio	Piezoelectric, indication of alarms. Controlled by keyboard.
Dimensions	11.7 x 7.2 x 2.5 cm.
Weight	220 g.
Temperature range	-10ºC to +50ºC
Humidity range	max. 90% RH (no condensed).

MEASURING TECHNICAL SPECIFICATIONS:

	ERIS2-D
Detector type	Geiger-Müller, mica window of 7 cm² (with protection grill, 80% of transparency)
Measuring type	- With filter: Gamma y Rayos-X, H*(10), en Sv/h. - Without filter: Alfa, Beta, Gamma, en cps.
Gamma sensibility	approx. 3 cps/µSv/h (related to Cs137)
Rate indication range	- With filter: 0.01 µSv/h - 3 mSv/h - Without filter: 0.00 cps - 10 Kcps
Optimal Energy range	20 KeV to 3 MeV
Typical 2pi efficiences (without filter, 4mm from the source)	Sr90+Y90 (β) ∼ 38% Cl36 (β) ∼ 37% C14 (β) ∼ 10%
Energy dependence (with filter, related to Cs137)	-Max deviation ±25% from 200 KeV to 3 MeV (relative to Cs137) -High dependence from 20 KeV to 200 KeV
Accuracy	Max deviation ±15% over the measurement range (relative to Cs137).

FUNCTIONS AND FEATURES:

	ERIS2-D
Password for changing parameters	YES
Language selection	YES, Spanish or English
Dead time correction	YES
Measuring units	Sv/h, cps
Self-test with indication of alarms, detector error, low battery, and out of range	YES
Dinamic time constant, 3-Sigma criteria	YES
Display maximum	YES
"Search" function	YES
data memory	YES
Data Download software	YES

	USB communication cable Communication cable Included with ERiS2 models		Standard battery charger Standard battery charger for ERiS2, from main power 100-220VAC Included with ERiS2 models
	Batteries charger, for vehicles Charger of ERiS2 batteries, for charging in vehicle with lighter adapter (12V)		Case for ERiS2 Protection and transport case for ERiS2, with strap

ERiS2-D Radiation and Radioactive Contamination Monitor - Brochure in English

This table shows a comparative between instruments for measuring radiation.

	ERiS2-R	ERiS2-M/G	ERiS2-D	RM1001-RD	RM1001B-RD
Gamma and X-Rays H*(10) measurement	✔	✔	✔	✔	✔
Alpha, Beta, Gamma contamination measurement		with external sondes	✔
Internal detector	✔	Optional	✔	Optional	Optional
External sondes		Optional		Optional	Optional
Multiprobe		✔
Hand-held	✔	✔	✔	✔
Stationary		Optional		Optional	✔
Wall holder		Optional		Optional	✔
Rechargeable battery	✔	✔	✔		✔
External power				✔	✔
Data store	✔	✔	✔		Optional
Data Download/Register software	✔	✔	✔		Optional