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ADEMCO’s 5809 wireless fixed heat and rate-of-rise temperature
sensor offers expanded fire detection and installation flexibility. It is ideal
for hard to wire locations and applications that require more than smoke
detection. With no wires to run, the 5809 is fast and easy to install.
The 5809 combines both rate-of-rise and fixed temperature
sensors. Fires typically cause a rapid rise in temperature in the surrounding
area. The 5809’s rate-of-rise thermostat senses the rise in temperature and
signals an alarm if the increase is 15° or more per minute. A built-in fixed
temperature sensor will also signal an alarm if the environmental temperature
rises above 135°F. The 5809 is UL Listed (UL521) and CSFM approved for
commercial and residential applications.
The 5809 is UL Listed (UL521) and CSFM approved for commercial
and residential applications.
- Contains a built-in transmitter which can send alarm,
supervisory and battery condition messages to the system’s
receiver/control unit
- Powered by a three-volt lithium
battery. If the battery voltage gets too low, the 5809 sends a low
battery signal to the control panel
- Features a tamper switch, which causes a trouble signal to be sent to the control if the unit is removed from the mounting base
- UL Listed for Commercial (when using 5881EH Receiver) or Residential applications
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Commercial fire/burglary control and cost savings by eliminating a dedicated phone line
- VISTA-128FBP Fire/Burglary Control Panel
- 6160CR Commercial Fire Keypad
- 7845CF Cellular Fire Radio
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At System Sensor, innovation
is more than an ideal; innovation is our
way of life. Every day we design fire,
carbon monoxide and heat detection and
notification devices that use the most
innovative technologies in the most inventive
ways. We create products for our
customers that are convenient to install,
efficient to operate and offer the highest
level of reliability. In other words, we
make it our business to develop advanced
ideas that deliver advanced solutions.
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The System Sensor CO1224 carbon monoxide detector safeguards
life with its electrochemical sensing technology, the industry’s
most reliable technology that accurately measures and provides
early warning of carbon monoxide levels in the air.
We offer the broadest lines in conventional smoke detection.
Our new i3™ Series takes a unique approach toward reducing costs with
its installation ease, intelligence, and instant inspection.
And our carbon monoxide, heat and beam detectors provide an effective solution when specialty detection is required.

Conventional Detection
Series: 100 Series
Type: Plug-in Smoke Detector
Model: 2151
Description: The 2151 is a low profile, plug-in photoelectric smoke detector.
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Specifications: 2151| Detection: | Photoelectric |
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| Operating Voltage: | (Mounting Base Dependent) |
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| Alarm Current: | (Mounting Base Dependent) |
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| Temperature Range: | 32° to 120°F (0° to 49°C) |
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| Humidity Range: | 10% to 93% RH, noncondensing |
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| Dimensions: | 2.0″ (51mm) H x 4.1″ (104mm) Dia. (unflanged base) or 6.1″ (155mm) Dia. flanged base |
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| Weight: | 3.1 oz. (88 g) |
Specifications: 1451| Detection: | Ionization |
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| Operating Voltage: | (Mounting Base Dependent) |
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| Alarm Current: | (Mounting Base Dependent) |
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| Standby Current: | 120 µA max. |
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| Temperature Range: | 32° to 120°F (0° to 49°C) |
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| Humidity Range: | 10% to 93% RH, noncondensing |
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| UL Listed Velocity Range: | 1200 fpm max. |
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| Sensitivity: | 1.9% ± 0.6%/ft. nominal |
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| Dimensions: | 3.2″ (8.1cm) H x 4.0″ (10.2cm) Dia. (unflanged base) or 6.2″ (15.7cm) Dia. flanged base |
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| Weight: | 0.5 lb. (227 g)
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Specifications: 1400
Specifications: 4451HT| Detection: | Heat |
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| Heat Sensor: | 190°F (88°C) fixed |
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| Operating Voltage: | (Mounting Base Dependent) |
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| Alarm Current: | (Mounting Base Dependent) |
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| Standby Current: | 100 µA |
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| Temperature Range: | 32° to 150°F (0° to 66°C) |
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| Humidity Range: | 10% to 93% RH, noncondensing |
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| Wiring Gauge: | 12-18 AWG, twisted pair recommended |
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| Dimensions: | 2.1″ (53mm) H x 4.1″ (104mm) Dia. |
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| Weight: | 5 oz. (150 g) |
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Why Beam Smoke Detection?
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Beam
smoke detection provides better coverage for high-ceiling or large open
areas where spot detectors are not well suited, such as churches,
warehouses, atriums and barns.
In addition, depending upon the application, beam smoke detection is more economical than spot detection.
The
Beam responds fast to all types of fires, works with all colors of
smoke, including black, and better addresses stratification concerns.
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Better Coverage for Large Open Areas

BEAM DETECTION OFFERS 20 TIMES THE COVERAGE
OF A SINGLE SPOT-TYPE SMOKE DETECTOR!
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The 5600 Series
Mechanical Heat Detectors
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Copyright © 2006 System Sensor. All rights reserved. |
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Why Mechanical Heat Detection?
System Sensor’s 5600 series mechanical heat detectors are ideal for property protection against fire and for non-life-safety installations where smoke detectors are inappropriate due to:
- Excessive steam, moisture, dust, humidity or temperature
Typical applications include:
- Residential, such as kitchens, attics and garages.
- Commercial, such as warehouses, storage facilities, restaurant kitchens, elevator machine rooms, elevator shafts and electrical closets.
Clear Visual Indication
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5600
series mechanical heat detectors feature clear visual indication of the
activation method and temperature rating. Seven models have
simple-to-read alpha-numeric text on the exterior.
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One
model (5601P) has no letters, numbers or markings on the exterior. It
is ideal for residential applications where external markings may
compromise the visual integrity of the product and its surroundings.
5600 Series Configurations
5600 series mechanical heat detectors are available in multiple configurations to satisfy a broad range of installations:
- Single- and dual-circuit models
- Fixed temperature and combination
- Fixed temperature/rate-of-rise
- 135ºF or 194ºF ratings
| 5600 Series Model Numbers
Model # |
Description |
5601P |
Single circuit, Fixed/ROR, 135°F “Unmarked” |
5602 |
Single circuit, Fixed/ROR, 194°F |
5603 |
Single circuit, Fixed 135°F |
5604 |
Single circuit, Fixed 194°F |
5621 |
Dual circuit, Fixed/ROR, 135°F |
5622 |
Dual circuit, Fixed/ROR, 194°F |
5623 |
Dual circuit, Fixed 135°F |
5624 |
Dual circuit, Fixed 194°F |
Operating Principles
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Rate-of-Rise (ROR)
The ROR function will initiate an alarm when the rate of temperature increase exceeds 15 degrees Fahrenheit per minute.
The
air inside the chamber (dome) expands faster than it can escape. The
increasing pressure inside the chamber begins to depress a thin
diaphragm, which, in turn closes the contact and initiates a fire alarm
condition.
The ROR function is restorable and can be
tested. Care should be taken so the temperature does not exceed the
fixed temperature element.
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Operating Principles
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Fixed temperature
Every
5600 series model has a circular external heat collector. The fusible
alloy of the external collector will melt and initiate an alarm when
the temperature surrounding the detector reaches a predetermined level
(either 135 degrees Fahrenheit or 194 degrees Fahrenheit).
The
external collector will be released from the dome of the unit and cause
an internal diaphragm to depress the integral alarm contact.
The
fixed temperature function is not restorable because the external heat
collector has been destroyed and, therefore, cannot be tested.
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5600 Series Installation Advantages
5600 series mechanical heat detector features make installation easy by:
- Using SEMS-type Philips-head terminal screws to provide an easier and more positive wiring connection.
- Having
conductors that are clamped by the SEMS-type terminals instead of
wrapping a conductor around a screw, a method used by other
manufacturers.
- Accommodating 14 to 22 AWG conductors.
5600 Series Installation Advantages
5600 series mechanical heat detectors mount to the most common back boxes, including:
- Single-gang
- 3.5″ and 4″ octagonal
- 4″ square back box with square to round plaster ring
A reversible mounting base accommodates surface and flush mount installations.

5600 Series Mechanical Heat Detectors
System Sensor’s 5600 series mechanical heat detectors provide an effective solution when specialty detection is required
What Is Sprinkler Systems Monitoring?
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- Sprinkler systems monitoring is the monitoring of water flow, pressure and valve positions within a sprinkler system.
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Wet Pipe Sprinkler System
Sprinkler Monitoring Devices
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- Sprinkler monitoring devices monitor condition variances within the sprinkler system.
- System Sensor product categories:
- Waterflow detectors
- Pressure switches
- Supervisory switches
- Explosion proof models are available for all System Sensor sprinkler monitoring devices.
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Fire Sprinkler System Types
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Two main types of systems:
- Wet pipe (most common)
- Dry pipe
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Wet Pipe Sprinkler Systems
- Wet pipe systems are:
- Filled with water at all times.
- Best suited in areas where pipes are not subject to freezing temperatures or accidental discharge.
- With a wet pipe system:
- Heat from fire causes an operating element in the sprinkler head to activate, resulting in water being discharged.
- Water discharges only through sprinklers that have been exposed to the high temperatures from a fire.
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Wet Pipe Sprinkler Systems
- Devices that typically comprise a wet pipe system include:
- Waterflow detectors that monitor the flow of water within the pipe.
- Supervisory switches that monitor the open valve positions, which ensure the system is operable during a fire condition.
- Alarm pressure switches that are sometimes used to monitor water flow.
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Dry Pipe Sprinkler Systems
- Dry pipe systems:
- Are filled with water only during activation.
- Contain compressed air to hold back water.
- Are best suited in areas that are subject to freezing temperatures.
- With a dry pipe system:
- When a sprinkler head opens, air in the pipe releases and a valve opens, allowing water to fill the system.
- An activated sprinkler causes the
system’s pressure to change, which activates a pressure switch, then
activates an alarm at the panel.
- Water discharges only through sprinklers that have been exposed to the high temperatures from a fire.
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Dry Pipe Sprinkler Systems
- Devices that typically comprise a dry pipe system include:
- Supervisory pressure switches that
monitor the pressure level. If the pressure falls too low, the air
pressure regulator turns the air compressor on to add pressure to the
system. If the system pressure rises too high, air will be drained from
the system. In each case, the pressure switch sends a trouble signal to
the releasing panel.
- Alarm
pressure switches that detect the activation of a sprinkler head. When
air pressure drops too quickly, an alarm is activated. This loss of
pressure will over-power the abilities of the pump that adds pressure
to the system.
- Supervisory switches that monitor the positions of the valves, ensuring the system is operable during a fire condition.
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Waterflow Detectors
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- Waterflow detectors monitor the water flow within a fire sprinkler system that is caused by the activation of a sprinkler head.
- System Sensor waterflow detectors:
- WFD Conventional
- WFDT – Branch line signaling and residential
- WFDTH – Residential
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Waterflow Detectors
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- Conventional saddle type waterflow detectors:
- Are available for pipes sized two inches to eight inches.
- Include models WFD20, WFD25, WFD30-2, WFD35, WFD40, WFD50, WFD60 and WFD80.
- Are often installed in riser applications: risers are the vertical supply pipes in a sprinkler system.
- Use floor control assemblies, as pictured.
- Are compatible with Schedule 10 & 40 pipe.
- Enclosure specifications are:
- NEMA 4
- UL listed for indoor/outdoor applications
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T-tap models
- T-tap models (branch line and residential detectors):
- Include System Sensor models WFDT, WFDTH and WFDTNR.
- Are
designed for “thread-in” applications, which are compatible with a one
inch NPT. Also, 12 paddles are offered for a variety of pipe material
and sizes.
- Primary signalling in residential systems and branch line signalling in larger systems.
- Are resistant to tampering.
- Enclosure specifications are:
- NEMA 4 (WFDT only).
- UL listed for indoor/outdoor applications.
T-tap models
- WFDTH
- Indicates a discharge from a sprinkler head.
- Is designed for primary signaling in residential systems.
- Fits within standard 2×4 stud wall construction.
- Has the same electrical and mechanical characteristics as the WFDT.
- WFDTNR
- Is used primarily in residential applications.
- Is identical to the WFDT and WFDTH, but does not have a mechanical retard.
Waterflow Detectors
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- Unique water flow product features include:
- Field-replaceable terminal block with front mounted terminals.
- Field-replaceable retard mechanism.
- No need to drain the entire system.
- New delay adjustment dial.
- More user-friendly with the approximate delay in seconds posted directly on the dial.
- Two 1/2 inch conduit openings.
- One open
- One knock-out type
- Wiring diagrams on the inside cover and on the terminal block.
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Pressure Switches
- Alarm pressure switches (EPS10 series):
- Sense water flow in the piping, which is caused by discharge from a sprinkler head.
- Are available in one- and two-switch models.
- Include System Sensor models EPS10-1 and EPS10-2.
- Supervisory pressure switches (EPS40 and EPS120 series):
- Monitor and help maintain a desired pressure level within the system.
- Are available in one- and two-switch models.
- Include System Sensor models EPS40-1, EPS40-2, EPS120-1 and EPS120-2.
- Are most commonly used in dry pipe systems.
- Cover a range of pressure ratings from 4-20 psi to 10-200 psi.

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Supervisory Switches
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- Supervisory switches monitor the open position of valves used in a sprinkler system.
- Three styles of supervisory switches are:
- OSY2: Outside Screw & Yoke
- PIBV2: Post Indicator and Butterfly Valve
- PSP1: Special Purpose
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OSY2 Supervisory Switches
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OSY2:
- Requires fewer and less expensive conduit fittings for an electrical connection.
- Has a rugged mounting bracket that does not bend.
- Offers larger diameter carriage bolts that allow the OSY2 to securely mount on valves.
- Has wiring diagrams on the inside cover of the device.
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PIBV2 Supervisory Switches
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PIBV2:
- Requires fewer and less expensive conduit fittings for an electrical connection.
- Offers
bi-directional mounting that allows for reverse action of the switch to
accommodate both rising and falling flag installations.
- Has a new, longer actuating arm with a breakaway feature, as pictured.
- Has wiring diagrams on the inside cover of the device.
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PSP1 Supervisory Switches
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PSP1:
- Has a versatile 360 degree mounting option.
- Has a plug that snaps securely into the jack.
- Works where other switches will not, providing a solution for every application.
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Explosion Proof Sprinkler Monitoring Products
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Explosion proof products:
- Are designed for installation in hazardous locations.
- System Sensor offers a full line of explosion proof products, including:
- Waterflow detectors
- Pressure switches
- Supervisory switches
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Explosion Proof Sprinkler Monitoring Products
- Explosion proof waterflow detectors and pressure switches are classified as follows:
- Class I, Groups B, C and D, Divisions 1 and 2
- Class II, Groups E, F and G, Divisions 1 and 2
- Class III, Divisions 1 and 2
- WFDEXP model numbers include:
- WFD20EXP, WFD25EXP, WFD30-2EXP, WFD35EXP, WFD40EXP, WFD50EXP, WFD60EXP and WFD80EXP
- EPSEXP model numbers include:
- EPS10EXP, EPS40EXP and EPS120EXP
Explosion Proof Sprinkler Monitoring Products
Explosion proof supervisory switches are classified as follows:
- Class I, Groups C and D, Divisions 1 and 2
- Class II, Groups E, F and G, Divisions 1 and 2
Model numbers include:
- OSYEXP: Outside Screw and Yoke
- PIBVEXP: Post Indicator or Butterfly Valve
Sprinkler Alarm Notification Products
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- PDRP Series Fire Alarm Control Panel
- PDRP-1001 Two-zone pre-action/deluge.
- Initiating and release circuit fault & fuse protection with up to 90 hours of standby.
- Outdoor Horn/Strobe – P12015K
- UL outdoor listed.
- Watertight when used with the WBB weatherproof back box.
- 120 VAC, 15 candela.
- Alarm Bells
- SSV series (120VAC) & SSM series (24VDC).
- Available in 6 inch, 8 inch and 10 inch.
- 80dB+ sound output.
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System Sensor’s intelligent smoke detectors use advanced communications protocols to
ensure accuracy and stability. Sophisticated software provides false alarm reduction
and automatically monitors detector sensitivity. Extensive research and development allow
us to optimize technologies based on environment and risk.
Take a look at laser technology used in clean rooms and communications centers,
difficult environment smoke detectors for dusty or dirty facilities, multi-criteria
devices for areas requiring stability and performance and intrinsically safe smoke
detectors for hazardous environments.

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Intelligent Detection
Series: Eclipse
Type: Intelligent Smoke Detector
Model: ED-T
Description: Eclipse Series Fixed Temperature/Rate-of-Rise/High-Temperature Thermal Detector
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Specifications: ED-T| Operating Temperature Range: | Thermal:
-4° to 100°F (-20° to 38°C), 135° to 174°F
setpoint; High-Temp: -4 to 150°F (-20° to 66°C), 175°
to 190°F setpoint |
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| Operating Humidity Range: | 10% to 93% RH noncondensing |
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| Dimensions: | 4.1″ Dia., 2.1″ High in EB base |
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| Thermal Ratings: | 135°F (57°C) fixed temperature setpoint; 15°F (8.3°C) per min. rate-of-rise; 190°F (88°C) high-temp |
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| Shipping Weight: | 4.8 oz. (136 g) |
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| Voltage Range: | 15 – 30 volts DC peak |
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| Standby Ratings: | 451 µA @ 24 VDC (continuous broadcasts)
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