44
S
YSTEM
S
PECIFICATION
Operational Environment:
Fresh water or seawater to a depth of 3000m.
-10 to +50°C Operational.
-20 to +65°C Storage.
Electrical:
2 Connectors.
Connector 1 – Power and data (RS232).
Connector 2 – Sensors
Mechanical:
Main Housing – 316 stainless steel pressure housing with removable
end cap. Display – acetal or 316 stainless steel, solid potted.
Material:
316 Stainless Steel & Acetal
Size:
Ø50 x 199.5mm - 2 Digit. Ø50 x 230mm - 4 Digit Display: 80 x 40mm,
Dual 4 Digit Display: 80 x 72mm.
Weight:
4 Digit 1.5kg (in air), 1.1kg (in water).
Display Type and Range:
Blue 7 segment LEDs – digits 14.2mm High
2 digit: -99 to 99
up to 1 decimal place.
4 digit: -9999 to +9999
up to 3 decimal places
Leading zero suppression except immediately before decimal point.
Counter Sensor Interface:
Suitable for reed switch contact closures and 2 or 3 wire proximity
sensors, including NAMUR type.
Strain Gauge Sensor Interface
Strain Gauge Measurement
Accuracy:
± 1.0% of full scale (From 10% to
100% of full scale)
Offset Variation:
± 1.0% of full scale
Transducer Sensitivity Range:
2, 5 and 10 mV/V
System Calibration
Frequency:
Annually.
Sensor Supply:
+5V Nominal (+5.5V unloaded) up to 10mA.
+10V Nominal (+11.5V unloaded) up to 10mA
Maximum Input frequency on any:
single input
2kHz.
Minimum dwell time on any input:
250µ seconds.
Power Supply:
Battery - D Cell Normally NiMH Rechargable Capacity >7000mAH.
May be fitted with Primary cell – Duracell or equivalent for higher
Capacity and / or longer shelf / standby life.
1 x D Cell Type
Power Supply/Battery Life:
5 Days Average Display on Continuously, 5 Months Standby.
This depends on the sensor type in use. Please check with Zetechtics
for a specific application. Active sensors running off the +5V or +10V
sensor supply will significantly affect the battery life.
