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Tekran - Model 1115 -Synchronized Multi-Port Sampling System
The Tekran Model 1115 Synchronized Multi-Port Sampling System works in a similar fashion to the Model 1110, but the Model 1115 allows sampling of up to eight separate input sources. Switching between the sources is synchronized with the instrument sampling cycle. The number of sampling cycles in each position is programmable by the user. The Model 1115 can be configured in 4, 6 or 8 ports with either high-flow or low-flow options. Common applications are measuring multiple sampling locations for indoor air and performing breakthrough studies for an array of sorbents.
The Tekran 1115i Synchronized Multi-Port Sampling System is an updated version of the 1115 designed for use with the 2537X analyzer. The 1115i provides complete customization of valve activation programming. Valves may be triggered on preset activation time, preset delay interval, A/B cycle status of the 2537X, measured Hg concentration, external ADC device triggers, or activation based on monitored trigger inputs channels. This greatly expands the potential applications of the device.
- Either manual or automatic selection among up to eight sample input lines
- Sample switching is synchronized to instrument sampling cycle
- Fully programmable switching pattern. For example, pairs of readings in each position may be sampled, eliminating any A. B cartridge bias
- Either the home port (Port #0) or the Model 2537 ZERO solenoid may be designated for flushing between samples
- Positive indication of sampling position on Model 2537 data output line
- Continuous display of instrument conditions: Idle/Cal/Run. A/B, Zero Solenoid. Perm Source
- Manual control of instrument Zero and Perm Source, and Calibration Initiate functions
- Manual setting of three instrument Event Flag inputs
- Four, six or eight port manifolds available
- High-flow manifolds have large orifice Teflon valves with %" Quikgrip fittings
- Low-flow manifolds have miniature Teflon valves with Vx-28 fittings
- All Teflon sampling path
- Flux measurement
- Multiple stream process monitoring
- Speciation studies
Additional Functions
The Model 1115 allows manual activation of the following functions at any time using the controller keypad.
- Event Flags 1, 2 & 3
- Calibrate Request
- Zero Solenoid & Perm Source
- Manual control of the Port Selection Solenoids
Manifold Options: The Model 1115 controller includes the following standard components.
- Control Unit
- Power Adaptor
- Instrument Interface Cable (10 ft)
- User Manual
One of the valve manifolds below must be specified along with the controller in order to make a complete sampler. High-flow manifolds contain ¼” fittings and are ideal for low-level ambient work where flow rates may be up to a few liters/minute. Low-flow manifolds have minimal dead volume and use 1/8” tubing with miniature valves having ¼-28 fittings. They are suitable for flow rates of up to 500 ml/min. Each manifold is supplied with a 10 ft. long cable for connection to the controller.
- Opt. 104 Four Port high-flow rate manifold
- Opt. 204 Four Port low-flow rate manifold
- Opt. 106 Six Port high-flow rate manifold
- Opt. 206 Six Port low-flow rate manifold
- Opt. 108 Eight Port high-flow rate manifold
- Opt. 208 Eight Port low-flow rate manifold