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Process Control Instrumentation, Field Devices and Industrial Automation
PRODUCTS & SERVICES is a provider of process control and field instruments for Oil & Gas, Industrial Machinery, Pipelines, Custody Transfer, Tank Gauging, Waste Processing, Water Treatment Plants, Burner Management Systems and Incinerators, Conveyor Control, Food & Beverage, Motor, Pump & Compressor Control, Wireless Telemetry, Data Logging, Real-Time Process Data to Web.

Our Broad spectrum of products, 20+ years of experience with industrial automation, process control and hands-on approach ensure the success of Your project

At ControlSystemsUSA, you deal with the people who have actual and extensive experience in the use of process control instrumentation.

We are authorized resellers of instruments such as

  • Radio Modems
  • Flow Transmitters, Indicators, Sensors and Switches.
  • Pressure Switches, Indicators and Transmitters.
  • Level Switches, Indicators and Transmitters.
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$108.80     Availability: 7 Days
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Intec NZH-101 Room Electro-mechanical Humidistat to detect relative humidity in the air. Polyga bands sensor. Continuous monitoring. SPDT output. Humid or dehumidification on/off control. NEMA1. IP20. CE Listed.

Part# with Options:        NZH-101
Price with Options:        108.80


(1) Setpoint for Intec NZH-101

Availability 7 Days  ]


Electro-mechanical humidistats to detect and control relative humidity in air.


To sense the relative humidity in air, and for low- or line-voltage on/off single-stage control of humidifiers, dehumidifiers, compressors, solenoids, valves, relays, and other electrical equipment in commercial and industrial environments, i.e., offices, computer rooms, food storage warehouses, greenhouses, indoor swimming pools; dairy-, textile-, paper- and printing plants, and many more.

  • Continuous monitoring
  • Humid- or dehumidification on/off control
  • Switched output, SPDT
    • 24...230 VAC, 5 (0.2)A
    • 50 VDC, 1A
  • Scaled setpoint knob
  • Easy to install
  • Maintenance-free in clean air applications

Sensor Performance
Relative humidity in air 0-100% rH (rF)
Operating range 30-100% rH (rF)
Condition non-aggressive air
Sensor element Polyga bands of multi-synthetic fibers, water-resistant
Accuracy 3% rH (rF)
Permissible air velocity, maximum2970 ft/min (15 m/sec)
Response time< 72 sec. for 50% step change, at 394 ft/min (2 m/sec)
Type of Control
General On/Off, single stage control, with (1) microswitch output
Stage level/setpoint Field adjustable over the full operating range
dial knob range30-100% rH (rF)
hysteresis/switching differential 4@ 50% rH (rF) environment
Microswitch SPDT, airtight
contact rating 24...230 VAC, 5(0.2)A
50 VDC, 1A
Working temperature32F to 140F (0C to 60C)
Storage temperature-4F to 158F (-20C to 70C)
Humidity0-95% rH (rF), non-condensing
Working pressure Atmospheric 10%
Enclosure materialABS, fire-retardant
Enclosure colorLight grey
Enclosure protectionNEMA1 (IP20)
InstallationRoom, Wall (surface) mounted
Enclosure dimensions2.8 x 4.6 x 1.4 in. (70 x 115 x 35 mm)
Cable entrySlot entry, backside of enclosure base
Wire connectionTerminal block, screw type for lead wire
Wire sizeMax. 16 AWG (1.5 mm 2 )
Weight 0.3 lbs., (0.12 kg)
Approvals / Listings CE
Electromagnetic compatibility (EMC)resistance interference, conformity EN50082-2
interference emmission, conformity EN50081-2
Warranty 18 months material and workmanship

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