Model 9900RM - Single or Multi-Component Gas Analyzer

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The new Model 9900RM is a single or multi-component gas analyzer that can be used alone or as an integrated part of a continuous emissions monitoring (CEM) system. The analyzer is 19” rack-mountable and supports Modbus/RS485 and Ethernet connectivity.  This is a rugged, single or multi-gas analyzer, free of interference from water and CO2.

The Model 9900RM can be configured to measure most gas species that absorb in the UV. Species typically measured directly by the Model 9900RM include: SO2, NO, NO2, H2S, COS, CS2, NH3, and BTX. Up to five components can be measured simultaneously making the system very economical for multicomponent analysis needs.

The simple and robust design of the Model 9900RM is complemented by powerful data processing capabilities. The user-friendly keyboard enables programming of such variables as timing and frequency of local zero and span checks. Both analog and digital outputs are available and serial communications via Modbus protocol. An optional paramagnetic oxygen sensor can be included to provide O2 corrected concentrations.

* Lower ranges available upon request

  • Maximum full scale on all systems: 100%
  • Methodology: Multiple wavelength, high resolution, non-dispersive ultraviolet
  • Optional O2: Integral paramagnetic sensor
  • Accuracy: Better than 1.0% of standard full scale range O2 : ±0.1%
  • Repeatability: ±0.5% full-scale of standard ranges O2 : ±0.2% (reading varies by 0.05% due to A/D resolution)
  • Linearity:
    • SO2: < ±1.0% full scale
    • NO, NO2, NOx, H2S:< ±1.5% full scale
    • O2: ±0.1%
  • Response Time: 90% in 30 seconds or less
  • Number of Gases:
    • 1 (single species version)
    • Up to 5 (multi-species version)
  • Typical Sample Flow: 0.25 - 5 l/min (0.6 - 10.5 SCFH)
  • Sample Gas Requirements: Noncorrosive, non-condensing, free from oil and with less than three micron particulates (0-95%, non-condensing)
  • Sample System Limits: 5 psig max (without the dynamic pressure compensation option, the reported concentrations will be directly proportional to barometric pressure)
  • Pressure and Temperature Compensation: Optional

Ambient Conditions

  • Storage: -20 to 60˚C (-4 to 140˚F)
  • Operating: -20 to 50˚C (-4 to 122˚F) without Paramagnetic O2 sensor, 0 to 50˚C (32 to 122˚F) with Paramagnetic O2 sensor 0.95 Relative Humidity
  • Zero Drift: Typically better than 2% full scale standard ranges in 24 hours

Utility Requirements

  • Electrical:
    • 120 VAC +/-10%,  50/60 Hz
    • 240 VAC +/-10 %, 50/60 Hz
  • Power Consumption: < 200 W maximum start-up (from a cold start) with average power dependant on ambient temperature
  • Outputs:
    • Four isolated Analog Outputs, each configurable to 0-20 mA, 4-20 mA, 0-5V DC, 1-5V DC
    • One configurable relay contact, Form A (SPST), normally open. Switching: maximum 240 V DC, 0.5 A DC, limited to 10 W. Carry: maximum 1.2 A DC
  • Inputs: Two isolated dry inputs
  • Communications:
    • Modbus RTU RS485 and Modbus TCP
    • Fast Ethernet - network connection
  • Physical Dimensions (W x H x D): 48.2 cm x 17.7 cm x 60.256 cm (19 in. x 7 in. x 23.7 in.)
  • Weight: 18.2 kg (40 lb)

CEC/NEC:
Class I Division 2 Group ABCD, T4
Ex nA IIC T4
Class I, Zone 2 AEx nA IIC T4; IP20

Pollution Degree 2 / Installation
Category II

IECEx:
Ex nA IIC T4 Gc

ATEX:
II 3G Ex nA IIC T4 Gc

EMC:
IEC/EN 61326
FCC (47 CFR 15)
Industry Canada (ICES-0003)

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