Technical Specifications; Definitions - Chentronics iS3-MB Manual

TOLERANCE NOTES
FABRICATED TOLERANCES
≥ 2 ft (610 mm) ± 0.250 in (6.4 mm)
< 2ft (610 mm) ± 0.125 in (3.2 mm)
MACHINED TOLERANCES
± 0.050 DECIMAL DIM (1 PLACE)
± 0.010 DECIMAL DIM (2 PLACES)
± 0.005 DECIMAL DIM (3 PLACES)

Technical Specifications

Definitions

FLICKER – Flicker or Flicker Frequency refers to the modulation of flame intensity due to micro-
explosions.
FDORT – Flame Detector ON Response Time – the period of time from flame intensity rising
above the user adjustable threshold to flame relay contacts closed.
FDRT – Flame Detector Response Time –the period of time between the loss of a sensed flame
and the signal indicating the absence of flame.
MFFRT – Marginal Flame Fail Response Time – period of time from flame intensity falling below
the the user adjustable threshold to the flame relay contacts open.
ROL – Ring of Light – multi-colored LED status indication on the back of the scanner.
iScan Software – Flame Scanner Communications software used to monitor and configure the
iScan3 device.
GAIN – When a signal is amplified, GAIN is the ratio of the amplified signal relative to the
original.
DISCRIMINATION – The ability to distinguish between multiple flames. An example of good
discrimination is when the MB scanner is able to recognize a pilot flame with other burner's
main fuel flame in the background. The status of the background Flames does not affect the
ability to detect the pilot flame (ON or OFF).
RELATED DOCUMENT – MUST COMPLY WITH SCHEDULE DOCUMENT(S):
FOR A LIST OF RELEVANT PATENTS
AND TRADEMARKS PLEASE SEE
CHENTRONICS.COM/LEGAL-NOTICES
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ON:
AR
7/8/19
LAST REV BY: ON:
MNL-ISCAN3
ISCAN3 MANUAL
DCO No
.
12804
DWG. No.
MNL-ISCAN3
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