Appendix
5.4
FMRC Approval
Factory Mutual Research Corporation
1151 Boston-Providence Turnpike
Norwood, Massachusetts 02062
Approval of the transmitter does not include
or imply approval of apparatus to which the
transmitter may be connected and which proc-
esses the electronic signal for the eventual end
use. In order to maintain an FMRC approved
system, the control instrument, to which the
subject instrument is connected, must be
FMRC approved.
The following sensors have been FMRC
approved for use with the Model S104:
l
10001-1 Aluminum Body General
Purpose Combustible Gas Sensor
l
10058-1 Stainless Steel Body General
Purpose Combustible Gas Sensor
The following apparatus have been FMRC
approved (although they have not been
verified as part of a Model S104 system):
l
Model DC100 Single Channel Readout
Relay Display Module
l
Model DC110 Eight Channel Readout
Relay Display Module
l
Model DC120 Explosion Proof Dual
Channel Readout Relay Display Module
l
Model DC130 Dual Channel Readout
Relay Display Module
Factory Mutual Research Corporation has
tested the Model S104 according to the crite-
ria listed under FMRC Approval Standards
for Combustible Gas Detectors, Class Num-
bers 6310 & 6320.
FMRC has tested the Model S104 using the
specifications listed in section 5.1, permitting
an operating temperature range of -40°F to
+140°F (-40°C to +60°C), a general purpose
sensor (10001-1 or 10058-1) attached to the
housing (i.e. not remoted), calibration per-
formed with a General Monitors’ Portable
Purge Calibrator using 50% LEL gas (Meth-
ane, Hydrogen, Butadiene, Butane, Ethane or
Propane) and the procedure listed in section
4.1 of this Instruction Manual.
25
GENERAL MONITORS
Model S104
