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General Safety

CAUTION:

It is essential that all instructions in this manual be

followed to ensure proper operation of the equipment and safety

of operating personnel.  The use of this symbol is used through-

out manual to highlight important safety issues.  Please pay par-

ticular attention to these items.

       

Electrical Shock Caution:

Certain 

Dust

Alarm

®

ES 

monitors are powered with HIGH VOLT-

AGE.  No operator serviceable parts are inside.  All servicing is

to  be  performed  by  qualified  personnel.  Each 

Dust

Alarm

®

ES

unit is provided with a "protective conductor terminal" 

which  shall  be  terminated  to  earth  ground  potential  (See

Electrical  Installation).    This  product's  design  complies  with

EN61010-1  installation  category  1  (230VAC unit),  category  II

(115VAC unit), category III (VDC unit) and pollution degree 2.

Electromagnetic Compatibility (EMC) for Emissions & Immunity

The 

Dust

Alarm

®

ES

was tested and found compliant according

to applicable standards:

       IEC/EN 61326-1

       Electrical Equipment for Measurement, Control & 

       Laboratory Use - EMC Requirements

SAFET Y

SPECIFICATIONS - CONTINUED

WARRANT Y

Monitor Technologies LLC warrants each 

Dust

Alarm

®

ES 

Broken

Bag Detector it manufactures to be free from defects in material and

workmanship under normal use and service within two (2) years from

the date of purchase. The purchaser must give notice of an defect to

Monitor Technologies LLC within the warranty period, return the prod-

uct  intact  and  prepay  transportation  charges.  The  obligation  of

Monitor Technologies LLC under this warranty is limited to repair or

replacement at its factory. This warranty shall not apply to any prod-

uct which is repaired or altered outside of the Monitor Technologies

LLC factory, or which has been subject to misuse, negligence, acci-

dent,  incorrect  wiring  by  others  or  improper  installation.    Monitor

Technologies LLC reserves the right to change the design and/or

specifications without prior notice.

Power Requirements:

Power Consumption:

Fuse Breaking Capacity:

(Haz-Loc Rating)

Altitude: 

Installation Category:

Pollution Degree:

Process Temperature:

Starting Ambient Temp.:

Running Ambient Temp.:

Ambient Humidity:

Relay Outputs:

(2 Isolated SPDT)

Relay Setpoint:

Relay Threshold Range:

Relay Time Delay:

Fail-Safe State:

Digital Link, Hardware:

Digital Link, Protocol:

Running Averaging:

Local Indicator:

Conduit Connections:

Housing:

Mounting:

Pressure:

Insulation Material:

Probe Material:

Probe Length:

Ship Dims & Weight:

Approvals: 

MET 

US/C

:

ATEX/IECEx:

Conformity:

95-240VAC (±10%), 50/60 Hz;

18-28VDC (±10%)

≤ 5VA (AC); ≤ 2.5W (DC)

1500A @ 250VAC;

300A @ 30VDC

6,562 ft (2000m) max

II

2

Max: 392°F (200°C) at probe location. (CL ll)

Class III installations: Process tempera-

ture must not exceed 325°F (164°C)

4° to 149°F (-16° to 65°C) 

-22° to 149°F (-30° to 65°C)

Max 95% RH, non-condensing 

3A @ 250VAC max each

3A @ 30VDC max each

Factory default:

Alarm-1: 5x ref value

Alarm-2: 20x ref value

1,000,000,000 Max Units

0 to 60,000 sec

(30 sec factory default)

Alarm

RS-485 (3-wire, half duplex, isolated)

Modbus RTU

(Default serial:

Baud Rate: 38.4K

Data bits: 8

Parity: N

Stop Bits: 2)

0 to 6,553 sec time constant

(100 sec factory default)

Bi-color LED:

Green On = Power Applied

Green Flashing = Auto Setup

Red On = Pre-Alarm

Red Flashing = Alarm

Alternating Red / Green = Error

No Light = No Power

(2) 1/2” NPT

Powder coated die-cast aluminum;

NEMA 4X, ENCLOSURE TYPE 4X,

IP66

1” Tri-Clamp Type Quick-Disconnect,

316 SS

87 psi maximum

PPS

0.39” diameter, 316 Stainless Steel

Cust. Specified Length - CSL: 

4.75” (121mm) to 20” (508mm)

[Solid coupling extensions up to 24”

(610mm) available.]

35.5”Lx8”Wx8”H; 7 lbs Approx.

(902x203x203mm; 3.2kg Approx.)
Ordinary Locations;

Hazardous Locations with intrinsically

safe probe [Ex ia]

US/CAN

: Class II, Division 1, Groups E,F,G

T85°C…T201°C -30°C≤T

amb

≤+65°C

Class III T85°C…T165°C 

-30°C≤T

amb

≤+65°C

US

: Zone 20 AEx ia ta IIIC

T85°C…T201°C Da -30°C≤T

amb

≤+65°C

CAN

: Ex III 1D Ex ia ta IIIC T85°C…

T201°C Da -30°C≤T

amb

≤+65°C X

Ex II 1D Ex ia ta IIIC 

T85°C… T201°C Da -30C≤Tamb≤+65C X

CE Mark;

CHINA RoHS 2

Probe Cleaning Procedure:
1)  

Clean  the  sensor  probe  and  especially  the  insulator  with 

    a damp rag and allow to dry; do not use liquids – install the 

    sensor in the duct or the Faraday shield.  If the red LED is on

    or flashing, the sensor was fouled by a build-up of conductive

    material over the insulator.

2)

 If  cleaning  did  not  eliminate  the  false  signal,  consult  the 

    factory for assistance.

If the preceding information and procedures contained within

the Troubleshooting and Maintenance sections do not prove

sufficient, contact the factory.

7

SPECIFICATIONS

Fuses - 

                        

External circuits connected to RELAY-1 & 

Haz-Loc Versions:        RELAY-2 terminals: 

shall be provided with fuses 

                                             conforming to the IEC 60127 series and UL 248 series. 

                                      Fuses shall be rated for 5A max, 250VAC or 30VDC.
                                      

AC Mains Supply: 

AC input power terminals shall 

                                       be protected by a fuse value no greater than 85mA.

                                      

DC Supply:

DC input power terminals shall be 

                                          protected by a fuse value no greater than 250mA.

Summary of Contents for DustAlarm ES

Page 1: ...uipment and the safety of all personnel Before discarding shipping container please inspect it thoroughly and verify that all parts ordered are accounted for Sometimes smaller parts become stuck under carton flaps and other packaging materials In the event that information contained herein does not completely satisfy your requirements or answer your questions you may contact Technical Support on o...

Page 2: ...m of a dust collec tion system Signal output is varied as the measured dust changes When the signal generated by moving dust particles exceeds a preset threshold an alarm output is generated Influence of Particle Material The signals transmitted by different types of dust particles can vary greatly from one material to another For example Inorganic electro conductive materials metals create the lo...

Page 3: ...cting where there is laminar flow and the dust particles are evenly dis persed within the air stream This ensures the sensor probe is exposed to a particle stream in an area where the most stable airflow condition exists Such an area has no airflow disturbance caused by elbows duct size transitions diverter valves etc In the event there are such flow disturbances near the selected mounting area en...

Page 4: ...ion In installations where multiple cir cuits are used i e independent circuits for power input and relay out put individual disconnects are required The disconnects shall be with in close proximity of the equipment accessible to operators and marked appropriately as the disconnect for the associated circuit Ensure the disconnect ratings are appropriately sized to the circuit protected See Specifi...

Page 5: ...n be daisy chained to multiple sensors on the same RS 485 network to minimize the amount of wiring Protocol used on this network is Modbus RTU The RS 485 network cabling should be a single route that travels from device to device with no branches that form T s or stars A network termination should be activated on any device that is at the physical end of an RS 485 network For the dust sensor model...

Page 6: ...minutes and is indicated by a flashing green LED Ensure no unusual events occur that could provide for false measurements during this auto setup period At the end of the of the period the green LED will become constantly lit 5 Using the Auto Set up method will automatically configure these parameters Running average of measured signal 100 sec time constant default Alarm 1 threshold 5x measured val...

Page 7: ...Pressure Insulation Material Probe Material Probe Length Ship Dims Weight Approvals MET US C ATEX IECEx Conformity 95 240VAC 10 50 60 Hz 18 28VDC 10 5VA AC 2 5W DC 1500A 250VAC 300A 30VDC 6 562 ft 2000m max II 2 Max 392 F 200 C at probe location CLll Class III installations Process tempera ture must not exceed 325 F 164 C 4 to 149 F 16 to 65 C 22 to 149 F 30 to 65 C Max 95 RH non condensing 3A 250...

Page 8: ...B U L L E T I N 764A Monitor Technologies LLC 44W320 Keslinger Rd t Elburn IL 60119 t 630 365 9403 t 800 766 6486 t monitor monitortech com t www monitortech com ARB JSC MAR 19 2021 DOC 001 764A 4 ...

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