J.U.M. Engineering GmbH

- Model 3-700 - High Temperature Total Hydrocarbon Analyzer



The J.U.M Heated Total Hydrocarbon Analyzer Model 3-700 FID is designed to be installed directly upstream of a FTIR analyzer (e.g. Gasmet) to continuously measure the total concentration of hydrocarbons within a gaseous sample. All controls which allow to calibrate the FTIR or FID individually are built in. Sources can be ambient air, exhaust gases from a combustion process e.g. stack emissions, from any type of an industrial vent, from an internal combustion engine, or from any other emission containing hydrocarbons. The 3-700 fully complies with EN 12619, EN 13526, QAL 1 (EU), with 2. BImSchV, 13. BImSchV and 17. BImSchV, (Germany) and with EPA Method 25A and Method 503 (USA). It can be used as a table top instrument but is ideally suited to be integrated in CEMs.

Especially designed to be directly coupled eizj a FTIR multi gas emissions analyzer (e.g. Gasmet), the J.U.M. Engineering HFID Model 3-700 is a very compact 19' rack mount heated total hydrocarbon analyzer for high accuracy, sensitivity and stability.

The Model 3-700 uses a hydrogen flame ionization detector (FID) in a heated oven to prevent the loss of high molecular weight hydrocarbons and to provide reliable performance in the analysis of trace level of contaminants in high purity gases, air and other gases.

All sample wetted components are integrated into the heated chamber.

Separate inlet fittings for zero and calibration gas. FTIR sample is automatically routed to waste during FID calibration. Miniature protective 2 µm filter disk in 'sample T fitting'.

Equipped with the proprietary J.U.M. Engineering built in burner air supply which reduces maintenance and overall operating cost.

While the 3-700 is a self extracting, open bypass based instrument which extracts the sample from its internal bypass system, it fits any application, where a dry or wet sample stream with a flow of 2 to 6 liters per minute is available. It may also be used to measure total VOC in hot steam.

  • Made in Germany
  • All critical components including pumps, sample filters, detectors and main electronics are manufactured in house
  • Fully heated to 190 degree C
  • Equipped with zero and span gas inlets to be selected from internal selector or from remote sources. Auto cal check optional
  • Typical sensitivity 0.01 ppm CH4
  • 21/2 digit LED display. Optional direct concentration display to read up to 3 decade ranges without range change
  • Internal sample pump and air pump
  • Internal combustion air supply (No external air cylinder needed)
  • Very low fuel consumption (less than 20 cc/min @ 100% H2)
  • Disposable sample filter in rear panel
  • Automatic ignite capability (optional)
  • Automatic flame out alarm contact and fuel shut off
  • Sample pressure regulator not in contact with sample gas
  • Multiple range capability, 5 selectable ranges are standard
  • 19' rack mount unit, only 132 mm high

  • Stack gases (CEM) and all other Environmental and process applications
  • Air and gas scrubber efficiency
  • Process chemical gas analysis
  • Personnel safety
  • Solvent recovery
  • Catalytic converter and thermal combustor testing
  • Automotive and engine emissions
  • Fence line (perimeter) monitoring

The Flame Ionization Detection (FID) method is used to determine the presence of total hydrocarbon concentrations in a gaseous sample. Burning hydrocarbon-free hydrogen in hydrocarbon-free air produces a negligible number of ions.

Once a sample containing hydrocarbons is introduced into this flame a very complex ionization process is started. This process creates a large number ions. A high polarizing voltage is applied between the two electrodes around the burner nozzle and produces an electrostatic field. Now negative ions migrate to the collector electrode and positive ions migrate to the high voltage electrode. The so generated ionization current between the two electrodes is directly proportional to the hydrocarbon concentration in the sample that is burned by the flame. This signal is measured and amplified by our electrometer-unit.

A sample pressure regulator provides a controlled back pressure at the sample capillary which gives admittance of a constant sample flow rate to the burner. This technique without the conventional back pressure regulator is used by J.U.M. Engineering for over 30 years to provide the highest possible sample flow rate stability and lowest maintenance. Our compactly designed flow control module for controlling the fuel and air flow rates via needle valves use high precision pressure regulators. The needle valves are factory adjusted and sealed to ensure the optimization of the burner.

  • Method of analysis: Flame Ionization Detector
  • Sensitivity: Max 1 ppm CH4 full scale
  • Response time: 02 seconds
  • Tsotime: 12 seconds
  • T90 time with heated line (75m) and filter: less than 8 seconds
  • Zero drift: <10% full scale/24h
  • Span drift: <10% full scale/24h
  • Linearity: Up to 10000ppm within 1% FSD
  • Oxygen synergism: <12%FSD
  • Measuring ranges (ppm): 0-10,100, 1000, 10000, 100000, others on request
  • Analog outputs: 0-10 VDC and 4-20 mA
  • Display: 3 1/2 digit
  • Sample pump: approx 25 l/min capacity @ operating temp
  • Zero and span adjust: Manual on front panel
  • Fuel consumption 100% H2: approx 20 ml/min @ 15 bar (22 psig)
  • Fuel consumption 40%H2/60%He: approx 90 ml/min @ 15 bar (22 psig)
  • Burner air consumption: built in burner air supply
  • Oven temperature: 190°C(374°F)
  • Temperature control: |j-processor PID controller
  • Power requirements: either 230VAC/50Hz, 850 W or 115VAC/60HZ, 850 W
  • Ambient temperature: 5-43°C(41-110°F)
  • Dimensions (W x D x H): 19' (483 mm) x 460 mm x 132 mm
  • Weight: approx 23 kg (44 lbs)

J.U.M. reserves the right, at any time and without notice, to change specifications presented in this data sheet and assumes no responsibility for the application or use of the devices described herein.

  • AMU 37: Automatic range change
  • AZM37: Automatic flame ignition
  • DCC37: Dual concentration alarm w. individual adjustable thresholde and alarm outputs
  • ENGA 37: 6-digit display, 0-100.000 ppm
  • FOAS 37: Flame out control with automatic fuel shut off valve
  • LT0 37: Measurement of low trace hydrocarbon levels. Requires external, zero grade combustion air supply!
  • PDA 37: Sample pressure monitor with alarm
  • RCA 37: 0-20 mA analog output instead of 4-20 mA
  • RCC37: Remote control range change
  • RCIO 37: 0-20 mA analog output, galvanically isolated
  • RCI4 37: 4-20 mA analog output, galvanically isolated
  • TPR37: EXTERNAL temperature controller for heatead sample line, e.g. JUM TJ100

Availability of options may change unannounced! Please contact us before specifying your purchase order!

Customer reviews

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