No está claro cuán grande es el papel de los antibióticos https://antibioticos-wiki.es en las relaciones competitivas entre los microorganismos en condiciones naturales. Zelman Waxman creía que este papel era mínimo, los antibióticos no se forman sino en culturas limpias en entornos ricos. Posteriormente, sin embargo, se descubrió que en muchos productos, la actividad de síntesis de antibióticos aumenta en presencia de otros tipos o productos específicos de su metabolismo.
Euroasia-instruments.kz
UltraRAE 3000 Portable Handheld Compound-Specific VOC Monitor
The UltraRAE 3000 is the most advanced Compound-Specific Monitor on the market. Its Photoionization Detector’s (PID) extended range of 0.05 to 10,000 ppm in VOC mode and 50 ppb to 200 ppm in benzene-specific mode makes it an ideal instrument for applications from entry pre-screening during refinery and plant maintenance to hazardous material response, marine spill response and refinery down-stream monitoring. Key Features Easy to Use Superior Performance Low Cost of Ownership Dual detection mode for total benzene exposure assessment: 60-second snap- shot or 15-minute STEL measurement
- Detects benzene down to 50 ppb (0.05 ppm)
• Unique 15-minute benzene STEL calculation
High sensitivity to benzene (down
with 15-minute real-time benzene-specific
to 50 ppb) providing a lower detection Applications range for potentially lower future benzene exposure limits
• Highly specific readings, combining a
9.8eV UV lamp and RAE-Sep™ benzene tube
Lower risk of false alarms through advanced speciation method producing benzene readings you can trust Extremely Versatile Total VOC measurement mode with
• VOC mode or Benzene-Specific mode for
extended range of 0.05 to 10,000 ppm
• Real-time wireless data transmission with
Wireless
built-in Bluetooth and optional RAELink3 portable modem
• Integrated RAE Systems Correction Factors
list for more than 200 compounds, measuring more compounds than any other PID
• Field-interchangeable battery pack is
CERTIFIED UltraRAE 3000 Specifications Sensor Specifications* Monitor Specifications* Gas Monitor Range Resolution Response Time (T90)
10" L x 3.0" W x 2.5" H (25.5 x 7.6 x 6.4 cm)
Photoionization sensor with standard 9.8 eV or optional 10.6 eV
• Rechargeable, external field-replaceable lithium-ion battery pack
Butadiene Operating Hours UltraRAE 3000 Ordering Options Display Graphic Monitor Only Includes
1 operation and 2 programming keys, 1 flashlight on/off button
• UltraRAE 3000 Monitor, Model PGM-7360
Direct Readout
• Wireless communication module built-in, as specified
• Datalogging with ProRAE Studio Package for
• 95dB buzzer (at 12"/30 cm) and flashing red LED to indicate
• RAE UV lamp and RAE-Sep™ Tubes, as specified
• STEL and TWA: 1 beep and flash per second
• Alarms latching with manual override or automatic reset
• Additional diagnostic alarm and display message for low battery
Highly resistant to EMI/RFI. Compliant with EMC directive
(2004/108/EC); R & TTE directive (1999/5/EC)
IP Rating
• Lithium-ion (Li-Ion) battery with universal AC/DC
Datalogging
Standard 6 months at one-minute intervals
Calibration
2-point or 3-point calibration for zero and span. Calibration memory
for 8 calibration gases, alarm limits, span values and calibration dates
Sampling Pump
• Internal, integrated flow rate at 400 cc/min
• Sample from 100' (30m) horizontal y and vertical y
Monitor with Accessories Kit Low Flow Alarm
• Hard transport case with pre-cut foam padding
Communication
• Download data and upload instrument setup from PC through
• Charging/download cradle (instead of charging/
• Wireless data transmission through built-in BlueTooth™
Frequency for RAELink3 902 to 928 MHz (License free), 2.400 to 2.4835 GHz (license-free), Optional Modem
Up to 15'/4.5m (2.400 GHz - Bluetooth™), extendable with RAELink3
Hazardous Area US and Canada: , C
lassified as Intrinsical y Safe for use in
Optional Calibration Kit Approval
Class I, Division 1 Groups A, B, C, D. Europe: ATEX II 2G EEx ia IIC T4 Operating Temperature -4° to 113° F (-20° to 50°C)
• Calibration regulator and flow controller
Humidity
0% to 95% relative humidity (non-condensing)
Attachments Optional Guaranteed Cost of Ownership Program
• 4-year repair and replacement guarantee
Warranty
3 years for 10.6 eV lamp, 1 year for 9.8. eV lamp, pump, battery,
*Specifications are subject to change Ordering Information www.raesystems.com Part Numbers Monitor with Accessories, Calibration Kit P/N 059-D311-200 Toll-Free: 877-723-2878 RAE Systems Inc.
The Charlotte County School Board shall provide programs to improve the education of limited English proficient children by assisting the children to learn English and meet Virginia’s challenging academic content and student academic achievement standards. Assessments The School Board will annually assess the English proficiency of all students with limited English proficiency
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