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Brand: AMETEK
AMETEK ta7000 UHP Gas Purity Monitor (R and F)
Description
AMETEK ta7000 ultra-high-purity gas impurity monitors, R and F versions
The AMETEK Trace Analytical ta7000 is a benchtop or rack-mounted monitor that detects trace impurities in ultra-high-purity (UHP) bulk gases at parts-per-billion and sub-ppb levels. The ta7000 platform combines a dedicated sample processing system, one high-sensitivity detector and on-board data analysis electronics. Two detector versions are offered: the ta7000R with a reduction gas detector for hydrogen and carbon monoxide, and the ta7000F with a flame ionization detector for carbon dioxide, methane and non-methane hydrocarbons.
Seven Star LLC supplies the ta7000 in Oman and the GCC as an independent supplier in Muscat. This page decodes the model suffixes in the data sheet and lists what you must tell us so the right ta7000 is quoted.
Decoding the ta7000 model names
The letter after ta7000 identifies the detector, and the suffix after the hyphen identifies the carrier or sample gas for which the monitor is configured. The data sheet lists the following models.
| Model family | Detector | Impurities measured | Sample gases listed |
|---|---|---|---|
| ta7000R | Reduction gas detector (RGD) | H2 and CO | N2, Ar, He, O2, CO2 (models ta7000R-N2, ta7000R-Ar, ta7000-He, ta7000-O2, ta7000-CO2) |
| ta7000F | Flame ionization detector (FID) | CH4, CO2 and non-methane hydrocarbons (NMHC) | N2, Ar, He, O2, H2, CO2 (models ta7000F-N2, -Ar, -He, -O2, -H2, -CO2) |
ta7000 technical specifications
| Parameter | Specification |
|---|---|
| Manufacturer / part number | AMETEK Process Instruments (Trace Analytical) / ta7000 (R and F versions) |
| Detection limit | Below 500 ppt for both versions |
| ta7000R impurity limits | H2 and CO below 0.5 ppb on the listed sample gases |
| ta7000F impurity limits | CH4 below 0.5 to 1.0 ppb, CO2 below 1.0 to 2.0 ppb, NMHC below 2.0 ppb depending on the sample gas |
| Range | 0 to 199.9 ppb |
| Accuracy, EDL mode | R: greater of ±0.25 ppb H2, ±0.25 ppb CO or ±10 % of reading. F: greater of ±0.25 ppb CH4, ±0.5 ppb CO2, ±1.0 ppb NMHC or ±10 % of reading |
| Response time | R: 5 min to 99 %, 30 min to 75 % in EDL mode. F: 10 min to 99 %, 60 min to 75 % in EDL mode |
| Resolution | 0.1 ppb on the display; 0.01 ppb over communication ports |
| Sample inlet pressure | 70 to 90 psig, stability ±2 %, regulator required |
| Flow rate | 300 sccm minimum; sample bypass at 50 sccm |
| Sample temperature | 16 to 38 °C, optimum when held within ±2 °C |
| Maximum impurity levels | 200 ppb moisture, CO2 and hydrocarbons |
| Ambient temperature | 16 to 32 °C |
| Chassis | 430 mm wide x 180 mm high, about 670 mm deep; 15.9 kg |
| Power | 100–120 VAC or 200–240 VAC, 50/60 Hz |
| Outputs | Backlit LCD graphics display, printer port, RS-232 serial PLC port, optional 4–20 mA and status relays |
How the ta7000 detects parts-per-trillion impurities
Inside the monitor a proven chromatograph with rotorless valves separates the impurities from the carrier gas, then a single detector measures them. An internal calibration system and an on-board carrier gas purifier remove most of the maintenance burden that normally comes with gas chromatography at this level. The EDL integration mode uses an algorithm that separates the measurement signal from random electronic noise, and that is how the ta7000 reaches the sensitivity quoted in its data sheet.
Where the ta7000 fits
The manufacturer lists purifier outlet monitoring, air separation and general gas purity monitoring as applications, and semiconductor and LCD/OLED display manufacturing as key markets. In the GCC the relevant users are industrial gas producers with air separation plants, electronics or specialty gas facilities, and laboratories that need to prove purity at the point where the purified gas enters the distribution system. It is a quality-control instrument rather than a general process analyzer, so it is not an alternative to the AMETEK 993X or IPS-4 for combustion or sulfur streams.
ta7000 selection checklist
- Impurities of concern: H2 and CO (R) or CH4, CO2 and NMHC (F). If both sets are needed, two monitors are required.
- Sample gas: N2, Ar, He, O2, H2 or CO2, since each has a dedicated model.
- Inlet pressure: confirm 70 to 90 psig is available with a stable regulator.
- Impurity levels: the data sheet limits moisture, CO2 and hydrocarbons to 200 ppb in the sample.
- Output needs: RS-232 PLC link is standard; 4–20 mA with status relays is optional.
- Laboratory or cleanroom conditions that hold ambient temperature between 16 and 32 °C.
ta7000 installation and maintenance
Use electropolished stainless tubing with face-seal fittings for the sample line, since adsorption in poor tubing will ruin a ppt measurement. Gas ports are a 1/4 inch face seal carrier and sample inlet, with 1/8 inch and 1/16 inch VICI compression connections for actuator air, sample outlet and calibration. The F version also needs FID hydrogen and air supplies and an H2 shut-off line supplied at 57 psi.
Allow time for the system to condition after installation. Response is independent of concentration but it is slow by design, so judge stability over hours, not minutes. Keep records of calibration and diagnostic reports from the printer port for quality audits.
Information to send with a ta7000 RFQ
- R or F version and the full model suffix for your gas
- Sample gas purity target and expected impurity range
- Supply voltage and communication needs
- Laboratory space and rack or bench arrangement
- Spare parts or calibration gas requirements
Site conditions in Oman for the ta7000
Safety and analytical equipment in Gulf plants has to perform reliably in heat, dust and humidity. Before installing the ta7000, check the operating temperature range, ingress protection and hazardous-area approvals against the actual location, and consider shading or weather protection for units exposed to direct sun. Sensor positioning should follow the gas properties and the site fire and gas philosophy, with access kept clear for testing.
Plan the test and calibration routine from the start. Record the configuration and alarm settings of each ta7000, keep the required calibration gas or test equipment available, and agree a replacement interval for consumable parts so that the system stays compliant with the inspection regime at sites across Oman.
Documents and quotation
The manufacturer data sheet for the ta7000 is attached on this page for reference.
Send the ta7000 model suffix, sample gas and impurity targets, and we will confirm configuration, lead time and available documents.
Datasheets & Documents
- Datasheet AMETEK ta7000 Datasheet Download
Reviews (0)
About brand
AMETEK is the American maker of electronic instruments and electromechanical devices, headquartered in Berwyn, Pennsylvania. It was founded in 1930 as American Machine and Metals. In process industries it is known through brands such as Western Research (sulfur recovery and H2S analysers), Thermox (oxygen analysers), Land (pyrometers), Drexelbrook (RF level) and Chandler Engineering.
Seven Star LLC is an independent supplier in Muscat. We list AMETEK process analysers, pyrometers, portable testers and spare parts, and supply them to gas plants, refineries and power stations in Oman and the GCC.
AMETEK company profile
| Established | 1930, USA, as American Machine and Metals; later renamed AMETEK |
|---|---|
| Headquarters | Berwyn, Pennsylvania |
| Structure | Two groups: Electronic Instruments (EIG) and Electromechanical (EMG) |
| Process brands | Western Research, Thermox, Land, Drexelbrook, Chandler Engineering, Ranarex |
Milestones
- 1930: American Machine and Metals is formed in March and listed on the New York Stock Exchange as AME.
- Early 1960s: The company is renamed AMETEK.
- 2021: AMETEK acquires Magnetrol.
AMETEK products we list
| Product | Type | Typical use |
|---|---|---|
| 888, 900, 930 | Western Research sulfur recovery analysers | Tail gas, air demand and H2S in sulfur pits on Claus units |
| 931, 933, 9900RM/WM | UV gas analysers | H2S in natural gas and multi-component process streams |
| 5000, 3050-OLV, 5100HD, 5100P | Moisture analysers | Water content in natural gas and process gases; the 5100 models use TDLAS |
| 241CE II, Chanscope II / Model 13 | Dew point analysers and testers | Hydrocarbon and water dew point of natural gas |
| WDG 1200/1210, WDG-V, TM2000 | Thermox oxygen analysers | Combustion control on heaters and boilers, and trace oxygen |
| SPOT+, Cyclops L | Land pyrometers | Non-contact temperature of furnaces, kilns, tubes and hot metal |
| 120HD, Ranarex, Drexelbrook RCT-1210 | Portable analysers and level | Hydrogen purity in generators, gas specific gravity, RF level measurement |
Most of these analysers work on light absorption. UV analysers such as the 933 and 9900 measure H2S and SO2 by their absorption bands, and tail gas analysers use this to keep the H2S to SO2 ratio near 2:1 for the best Claus conversion. TDLAS moisture analysers use a tuned laser on a single water line, so they respond fast and do not suffer from the glycol and methanol contamination that affects sensor-based analysers.
Where AMETEK instruments are used
In Oman and the GCC, AMETEK analysers run on gas processing and sulfur recovery units, gas pipelines and custody points, refinery heaters and boilers, power station generators and steel and cement furnaces.
Ordering AMETEK products: what we need
Send the model and the complete part or sales order number from the nameplate. For a new analyser, send the gas composition, the component and range to be measured, the sample pressure and temperature, and the hazardous area classification. For spare parts, send the part number and the analyser serial number.
Facts checked against AMETEK company history, October 2026.
Browse AMETEK products by category: Gas Analyzer Accessories, Gas Analyzer Systems, Liquid Analytical Accessories, Level Transmitter.
FAQ
Questions about the AMETEK ta7000 UHP Gas Purity Monitor (R and F)
Answers from our engineering team on installation, compatibility and integration.
01What is the difference between ta7000R and ta7000F?
The ta7000R uses a reduction gas detector for hydrogen and carbon monoxide. The ta7000F uses a flame ionization detector for CO2, methane and non-methane hydrocarbons.
02What detection limit does the ta7000 reach?
The data sheet gives a detection limit below 500 ppt for both versions, with a measuring range of 0 to 199.9 ppb.
03What sample gases can the ta7000 handle?
Dedicated models exist for N2, Ar, He and O2 on both versions, plus CO2 on the R and F and H2 on the F. Each model is configured for its gas.
04What inlet pressure does the ta7000 need?
The sample supply must be 70 to 90 psig with plus or minus 2 percent stability, so a regulator is required, and flow must be at least 300 sccm.
05What outputs does the ta7000 provide?
A backlit LCD display, a printer port for reports, an RS-232 serial port for PLC data and alarms, and optional 4-20 mA with status relay contacts.
Reviews
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