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thermo賽默飛世爾Ramsey（原“美國拉姆齊”）微波料位測量探測儀

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品牌：Thermo 熱電
生產(chǎn)廠家：thermo賽默飛世爾
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The Ramsey Microwave Plugged Chute Detector from Thermo Fisher Scientific is a totally non-contacting microwave plugged chute detector with a range from 10 cm (4 in) minimum to 150 m (492 ft) maximum. These reliable units can see through non-metallic wall build-up and detect the presence or absence of any material.

The switch can be used in pressurized coal down comers; electro-static precipitator hoppers; and in fly ash, clinker and coal transfer chutes. It provides high and low level point level detection.

High temperature applications are not a problem for the Ramsey Microwave Plugged Chute Detector. Each unit is protected from the process by a polyethylene, ceramic or tempered safety sight glass window. The switch is a safe and environment-friendly replacement for nucleonic switches and is not restricted by OSHA or FCC regulations.

The switch can be used in pressurized coal down comers; electro-static precipitator hoppers; and in fly ash, clinker and coal transfer chutes. It provides high and low level point level detection.

資源文章

Field Service Contract - Ramsey Bulk Products

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Ramsey Microwave Switch/Plugged Chute Detector(192 Kb)

Input Voltage :	115 VAC nominal, 100-130 VAC acceptable, 50-60 Hz; 240 VAC nominal, 200-270 VAC acceptable, 50-60 Hz; AC supplies lined fuse: 100 mA, 250 VAC; Both MRS & MRR units include terminals for 24 VDC power supply
Power Consumption :	MRA <5 VA Remote Amplifier
Power Density :	Rated from sender (MRS) to receiver (MRR) at approximately 20µW/cm²; no interconnection wiring between sender and receiver; Complies with FCC Title Rules Part 15; Caution sign posting not required
Transmitted Signal Frequency :	10.525 GHz, + 25MHz
Transmitted Signal Average Power Density :	20μW/cm² typical; Linearly Polarized Field; Beam angle (3 dB) approximately 30 degrees (conservative)
Maximum range - ideal conditions :	150 m (492 ft)
Minimum range - ideal conditions :	10 cm (4 in); Minimum ranges are dependent on application conductivity
Mounting - 1 :	1. DN80 (3 in - NPT) male thread or four 6 mm (0.250 in) blind bolt holes in flange; A. DN80 (3 in - NPT) weldments supplied for standared integral mounting; B. Flange is used for remote mount in high vibration applications - isolation shock mounts are available
Mounting - 2 :	DN100 (4 in - NPT) weldments with PTFE (Teflon) and UHMW windows
Mounting - 3 :	Ceramic window assemblies
Mounting - 4 :	Firebrick window assemblies available on custom basis
Mounting - 5 :	DN50 (2 in - NPT) sight glass window
Mounting - 6 :	Waveguides - custom assemblies available
Adjustments - MRA :	Test swtich - momentary push-button. Single turn coarse and single turn fine adjustment potentiometers for set point. Relay time delays adjustable from 100 ms to 30 seconds via two independent on/signal make and off/signal break potentiometers with automatic reset.
Fail Safe - Switch Selectable :	Presence or absence of material
High level fail-safe position :	Relay is activated when material is present
Low level fail-safe position :	Relay is activated when no material is present
Temperature :	MRS & MRR: -30°C to +65°C (-20°F to +150°F). For higher temperature applications, remote mounting with windows is necessary. Custom waveguide assemblies can also be provided.
Temperature - WHMW Window :	+80°C (+176°F)
Temperature - Ceramic Window :	+800°C (+1,470°F)
Temperature - Firebrick Assemblies :	Consult factory for manufacturer's specifications.
Cabling Entry(ies) :	MRA, MRS, MRR: 9.525 mm (0.375 in) NPT
Relay Contact Output :	MRA: SPDT - 10 amps @ 250 VAC resistive, 10 amps @ 125 VAC resistive
Enclosure :	NEMA-4X; Meets Class 2, Div. 1, Groups E, F & G (DIP - Dust Ignition Proof) classification; FM approval pending
Enclosure - Windows :	UHMW (ultra-high molecular weight) polyethylene standard, PTFE (Teflon) available
Shipping Weights :	11.8 kg (26 lb) per pair