Introduction, Specifications, Electrical connections / terminal assignments – Super Systems Hydrogen Nitrider Analyzer User Manual

Page 4: Getting started

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Basic Nitriding Sampling System – Hydrogen Analyzer

Super Systems Inc.

Page 4 of 12

Introduction

This instrument uses the measurement of Hydrogen to display % Hydrogen (H

2

), % Dissociation (DA), and

% Ammonia (NH

3

). When the flow rates of Nitrogen, Ammonia, and Dissociated Ammonia are manually

entered, the instrument can also calculate Nitriding Potential (K

N

).

Specifications

Power Requirements: 100-240 VAC

Current Draw: Max. 0.2 Amps

Sensor Technology: Thermal Conductivity

User Interface: 3.5” Color QVGA TFT LCD Touch Screen

Measurement Range: 0-100% H

2

Hydrogen Measurement Accuracy: +/- 0.01%

Hydrogen Measurement Repeatability: +/- 0.01%

Hydrogen Measurement Resolution: 0.01%

Analog Outputs: Two Isolated 4-20mA (User Configurable)

Analog Output Resolution: 0.005mA

Analog Output Accuracy: +/- 0.01% of Range

Analog Output Linearity: +/- 0.01%

Analog Output Load Resistance: Minimum 0 Ohm, Maximum 500 Ohm

Digital Communications: RS485 Modbus, Ethernet

Enclosure Size (Without Filter): Approx. 13”L x 13”W x 6”D / 330mmL x 330mmW x 142mmD

Enclosure Weight: 22.5 lbs. / 10.2 kg.

Enclosure Ventilation: Continuous Purge Fan, Dual Vents

Recommended Flow Rate: 1.5 to 2.0 SCFH / 0.71 to 0.94 lpm

Process Gas Fittings: Stainless Steel Compression for ¼” OD Tubing

Calibration Gas Fitting: 1/8” Barb (can be removed for 1/8” Female NPT Port)

Operating Environment: 10-90 %RH (Non-Condensing)

Operating Temperature: 32 to 122°F / 0 to 50°C

Sample Gas Temperature: 32 to 158°F / 0 to 70°C

Electrical Connections / Terminal Assignments

Wire Number

Function

1000

AC Line Power (100-240VAC)

1002

AC Neutral Power

Ground

AC Ground

1121

Analog Output Common (+)

1111

Analog Output #1 (-)

1121

Analog Output Common (+)

1131

Analog Output #2 (-)

1081

RS485 (-)

1091

RS485 (+)

Getting Started

Please refer to the enclosed drawing for instructions regarding the proper electrical and mechanical

installation of this instrument. The flow meter on the door of the enclosure should be adjusted to

maintain 1.5 SCFH of process gas flow.

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