Chapter Five: Maintenance and Troubleshooting
Appendix A: Product Specifications
53
Appendix A: Product Specifications
All specifications are at 23° C, 120 VAC
Analog Output
Output Linearity
Accuracy (includes
non-repeatability)
x1 Range
x0.1 Range
x0.01 Range
Output Impedance
Output Noise
0.01 - 0.4 Hz
1 kHz - 1 MHz
0 to ±10 V on each range, into >10K ohms load,
available at rear connectors
±(0.005% of r0.001% of full scale)
100 ppm of reading
300 ppm of reading
500 ppm of reading
<1 ohm
< 70 µVolts peak-to-peak on x1 and x0.1 ranges
< 350 µVolts peak-to-peak on x0.01 range
<4 mVolt peak-to-peak
BCD Outputs (270-4 and 270-5 only)
Pressure Information
Decimal points, channel ID
range ID outputs
Output Drive Ability
parallel line 3 state logic
buffered TTL levels
1 TTL load
Electromagnetic Compatibility
1
EMC Directive 89/336/EEC
Dimensions
Standard MKS ½ rack, 3½” H x 9½” W x 12” D
(8.9 cm H x 24.1 cm W x 30.5 cm D)
Display
Linearity
Update Rate
270-0
no display
270-4
4½ digit display (½” red segment LED)
270-5
5½ digit display (½” red segment LED)
270-4
±0.01% of reading ±1 count
270-5
±0.001% of reading ±1 count
270-4
2.5 readings per second
270-5
1.4 readings per second
(Table continued on next page)
1
Requires an overall metal braided shielded cable, properly grounded at both ends, during use.
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