PE NCI 900 Network Interface Box, Perkin Elmer (CAT#: STEM-CPO-0611-ZJF)

The manufacturer of the PE NCI 900 Network Interface Box, Perkin Elmer is Perkin Elmer.
Refurbished Perkin Elmer/PE NCI 900 network interface box. (Models available: NCI 901 & NCI 902).

Condition: Refurbished, Certified Pre-owned
Dynamic Range: 134 dB minimum, 1 V range, 1 Hz
Input Impedance: 10 MW Differential Input
Input Ranges:
Unipolar
0.1 V: -0.0005 to +0.0995 V
1.0 V: -0.005 to +0.995 V
2.0 V: -0.01 to +1.99 V
10.0 V: -0.05 to 9.95 V
Bipolar
0.1 V: -0.05 to +0.05 V
1.0 V: -0.5 to +0.5 V
2.0 V: -1.0 to +1.0 V
10.0 V: -5.0 to +5.0 V
Resolution:
6 nV on 0.1 Volt Scale at 10 Hz
60 nV on 1.0 Volt Scale at 10 Hz
120 nV on 2.0 Volt Scale at 10 Hz
0.6 mV on 10 Volt Scale at 10 Hz
Sampling Rate: 200 Hz to 0.1 Hz
Maximum Gain Error: ±2.0%
Maximum Std. Dev. Gain Error on 1.0 V Range: ±0.01%
Maximum Nonlinearity: ±0.01% FS
Rack/Vial: Contact Closure or TTL Compatible
Start/Stop Inputs:
0.0 V to 0.8 V = “LOW”
2.8 V to 5.0 V = “HIGH”
Hold “LOW” at least 10 ms
Level Sensitive/Not Latched
Operating Temperature: 0° to +45°C
Storage Temperature: –20° to +60°C
Operating Altitude: 0 to 2000 meters
Storage Altitude: 0 to 12,000 meters
Relative Humidity: 20% to 80% (non-condensing)
Optional: RVP/RELAY timed events option p/n S9000095R

Four programmable unipolar and four programmable bipolar voltage ranges (see below for specifications). Each voltage range provides a dynamic range of 1: 5,000,000 (134 dB) at a sampling rate of one point per second. When using older versions of chromatography programs, the effective range is limited to 1: 1,000,000 (120 dB).
Two, sense-input lines (Start and Stop). The sense-input lines signal the NCI to start or stop data collection.
One Instrument Ready relay. The Instrument Ready relay is on whenever the NCI is ready to take data from the chromatograph.
Fourteen optional relays. You can program these relays from a host computer to control external devices associated with the chromatography procedure.
4 MB of dynamic memory. This dynamic memory stores data and executing programs.
The NCI 902 contains two A/D converters. The second A/D converter allows you to collect data from two detectors during a single run.
The NCI 902 front panel has membrane switches and LEDs for controlling and monitoring sampling. The membrane switches allow you to start and stop data collection. The LEDs allow you to determine if the power to the NCI is on, if the NCI is ready to start the next run, if the NCI is currently acquiring data, and if the detector data are in range.

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