CS-3 SPECIFICATIONS

Operating Principal:

Self-oscillation split-beam Cesium Vapor (non-radioactive Cs-133)

Operating Rage:

15,000 to 105,000 nT

Gradient Tolerance:

40,000 nT/metre

Operating Zones:

10° to 85° and 95° to 170°

Hemisphere Switching:
a) Automatic
b) Electronic control actuated by the control voltage levels (TTL/CMOS)
c) Manual

Sensitivity:

0.0006 nT √Hz rms

Noise Envelope:

Typically 0.002 nT P-P, 0.1 to 1 Hz bandwidth

Heading Error:

+/- 0.25 nT (inside the optical axis to the field direction angle range
15° to 75° and 105° to 165°)

Absolute Accuracy:

<2.5 nT throughout range

Output: a) continuous signal at the Larmor frequency which is proporational to the magnetic field (proportionality constant 3.49857 Hz/nT) sine wave signal amplitude modulated on the power supply voltage
b) square wave signal at the I/O connector, TTL/CMOS compatible Information Bandwidth: Only limited by the magnetometer processor used

Sensor Head:

Diameter: 63 mm (2.5)

Length:

160 mm (6.3)

Weight:

1.15 kg (2.6 lb)

Sensor Electronics:

Diameter: 63 mm (2.5)

Length:

350 mm (13.8)

Weight:

1.5 kg (3.3 lb)

Cable, Sensor to Sensor Electronics:

3m (9 8), lengths up to 5m (16 4) available

Operating Temperature:

-40°C to +50°C

Humidity:

Up to 100%, splash proof

Supply Power:

24 to 35 Volts DC

Supply Current:

Approx. 1.5A at start up, decreasing to 0.5A at 20°C

Power Up Time:

Less than 15 minutes at -30°C

OPTIONS
Options: Your CS-2 sensor can be upgraded to a CS-3, just call for details.
Processors: Options may be quoted upon request.
Systems: We can provide you with suggestions for all your ancillary requirements
regardless of the installation.
Software: Software processing, interpretation and presentation offered upon request.
Training: Training programs may be provided either at our office or at your location to
meet your requirements.