Page 498 - Med Plaza and Cancer Center

2/DESCRIPTION

2.4 Specifications

Specifications Indicating Gauge Switch Gauge
Indicated Range
Nominal 50 psi Medical
Gases (Oxygen, Air, 0-100 psi 0-100 psi
Nitrous Oxide, Carbon Dioxide)
Nominal 180 psi Nitrogen 0-300 psi 0-300 psi
Vacuum Systems 0-30 in. Hg. 0-30 in. Hg.
Accuracy
Nominal 50 psi Medical ± 2 psi (25-75 psi) ± 2 psi (33-66 psi)
Gas ± 3 psi elsewhere ± 3 psi elsewhere
Nominal 180 psi ± 6 psi (75-225 psi) ± 6 psi (100-200 psi)
Nitrogen ± 9 psi elsewhere ± 9 psi elsewhere
Vacuum Systems ± .6 in. Hg. (7.5-22.5 in. Hg.) ± .6 in. Hg. (10-20 in. Hg.)
± .9 in. Hg. elsewhere ± .9 in. Hg. elsewhere
Overpressure Limit
Nominal 50 psi Medical Gas 110 psig 150 psi
Nominal 180 psi Nitrogen 330 psig 400 psi
Vacuum Systems 0 45 psi

Adjustable Range
Nominal 50 psi Medical Gas N.A. 40-80 psi
Nominal 180 psi Nitrogen N.A. 125-225 psi
Vacuum Systems N.A. 10-20 in. Hg.

Switch Gauge Factory Set Points
Oxygen, Nitrous Oxide, 40 psig (decr. pres.) &
Air, Carbon Dioxide 60 psig (incr. pres.)
(50 psi line pressure)
Nitrogen 160 psig (decr. pres.) &
(180 psi line pressure) 200 psig (incr. pres.)
Vacuum Systems 12 in. Hg. (decr. vac.)
(19-25 in. Hg. line vac.)

2.4.1 Electrical Characteristics Alarm Indicators: Visual- Light emitting diode bars (Red
LED) Audible- Horn 90 db at 2200 Hz
Power Requirements: 120 VAC (operating range 104
127), 60 Hz from emergency supply, 25 watts max. 220 Remote Alarm: Relay Contacts- 250 mA at
VAC (operating range 198-242), 50 Hz from emergency
28VDC/30VAC
supply, 25 watts max-Export Only
Normal Indicators: Visual- Light emitting diode
Transformer: 120 VAC primary/14.0 vac secondary; 40 (Green LED)
VA. 220 VAC primary/14.0 vac secondary: 40 VA-Export
Only Leakage Current: Less than 100 ,uA (with ground open)

Note: The 120 VAC Model is listed by Underwriters Circuit Type: Closed loop, alarm on ground contact or
Laboratories. The 220 VAC unit has not been investigated. open circuit.

Circuitry: Interconnecting wiring via locking connectors. Control Unit:
Microprocessor based; removable P.C. boards. 12VDC Microprocessor: Motorola 6805 Series
and 5VDC operating voltages.
Note: All Specifications are approximate and subject to
change without notice.

0178-0135-000 Rev. A 2-5