Martel Electronics 320 - Manual (Page 54)

Storage: -30 ºC to 50ºC, with batteries; -30 ºC to 70
ºC without batteries.
OVERPRESSURE:
Operating, without damage or calibration shift:
0-100 psi 300% of sensor range
300-1500 psi 150% of sensor range
2000-5000 psi 150% of sensor range
or 6100 psi whichever
is less.
Custom order ranges will deviate. Consult factory for
overpressure specification.
PRESSURE FITTINGS: 1/8” FNPT 316SS.
ELECTRICAL CONNECTIONS: Miniature recessed
banana jacks.
DISPLAY: Simultaneous pressure and electrical on 32
character alphanumeric LCD display.
BATTERY: Ni-Cd (four AA cells); 50 hours nominal
at 25 ºC, rechargeable.
BATTERY CHARGER: 115 VAC, 50/60 Hz, wall
mount; 12-14 hours for full charge; optional 12 VDC
charger available.
LOOP POWER SUPPLY MODULE: Rechargeable
Ni-Cd batteries (eight AA cells); 6 hours nominal @
20 mA @ 25 ºC; voltage, 24 VDC ±5%.
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