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Humidity Instruments

Specification

Models
TMW92
TMW93
TMW90
HMW92
HMW92D
HMW93
HMW93D
HMW90		 T-only 2-wire, current output
T-only 3-wire, voltage output
T-only configurable model
RH+T 2-wire, current output
RH+T 2-wire, current output with display
RH+T 3-wire, voltage output
RH+T 3-wire, voltage output with display
RH+T configurable model

Relative humidity

 

Measurement range
Accuracy 
     Temperature Range 
      0...90 %RH
      90...100 %RH
      Temperature range

      0 ... 90 %RH
      90 ... 100 %RH
Stability in typical 
HVAC applications
Humidity sensor 

0 ... 100 % RH

+10 ... 40 °C (+50 ... +104 °F)
±1.7%RH
±2.5 %RH
-5 ... +10 °C, +40 ... + 55 °C
(+23 ... +50 °F, +104 ... +131°F)
±3 %RH
±4 %RH 

±0.5 %RH/year
Vaisala HUMICAP® 180R

Temperature

 

Measurement range
Accuracy
     +20 ... +30 °C 
      (+68 ... +86 °F)
     +10 ... +20 °C, +30 ... +40°C
     (+50 ... +68 °F, +86 ... +104 °F)
     -5 ... +10 °C, +40...+55°C
     (+23 ... +50 °F, +104 ... +131 °F)
Temperature sensor

-5 ... +55 °C (+23 ... +131 ºF)

±0.2 °C (± 0.36 °F)

±0.3 °C (± 0.54 °F)

  ±0.5 °C (± 0.90 °F)

Digital temperature sensor

Operating environment

 

Operating temperature range
Storage temperature range
Electromagnetic compliance
    

-5 ... +55 °C (+23 ... +131 °F)
-30 ... +60 °C (-4 ... +140 °F)
Complies with EMC
standard EN61326-1, Industrial Environment

Inputs and outputs

 

Current output models
Outputs
Loop resistance
Supply voltage

Isolation between output channels
Voltage output models
Outputs
Load resistance
Supply voltage

Max. current consumption

Relay
Service port


2 x 4 ... 20 mA, loop powered
0 ... 600 Ω
20 ... 28VDC at 500 Ω load
10 ... 28VDC at 0 Ω load
 500VDC

2 x 0 ... 5V, 2 x 0 ... 10V
10 kΩ min
18 ... 35 VDC
24 VAC ±20 % 50/60 Hz
12 mA
max. with relay 25 mA

1 pcs (max. 50 VDC, 500 mA)
RS-485 line for temporary service use

Mechanics

 

IP class
Standard housing color
Optional housing colors
(configurable models only) 

Housing material
Output connector 

Service port connector 
Weight

IP30
White (RAL9003*)
Black (RAL9005*)
Grey (RAL7035*)
Light Ivory (RAL1015*)
ABS/PC, UL-V0 approved
Screw terminals
max. wire size 2 mm2 (AWG14)
4-pin M8
155 g
*RAL code is only indicative with potential small variations in color shade 


For complete specifications, please see the brochure or user guide in "Documents".

Description

The wall-mounted Vaisala HMW90 Series HUMICAP® Humidity and Temperature Transmitters measure relative humidity and temperature in indoor environments, where high accuracy, stability, and reliable operation are required.

HMW90 in brief:

  • A flexible product family with a variety of options and features
  • Both analog and digital output models available
  • Exceptionally easy configuration, installation, and field adjustment
  • Accuracy up to ±1.7%RH
  • Comes with a calibration certificate
  • Calculated humidity parameters (Td, x, h, Tw, a, T-Td)
  • Field exchangeable measurement modules for easy maintenance
  • Humicap180R for best stability and reliability

Typical applications:

  • Museums and archive facilities
  • Production and warehouse facilities
  • Data centers
  • Laboratories
  • Testing environments

HMW90 series includes the following models:

  • TMW92 T transmitter, current output
  • TMW93 T transmitter, voltage output
  • HMW92(D) RH+T transmitter, current output (with display)
  • HMW93(D) RH+T transmitter, voltage output (with display)
  • HMW95(D) RH+T digital transmitter (with display)
  • TMW90 T transmitter, configurable analog output model (link to order form)
  • HMW90 RH+T transmitter, configurable analog/digital model (link to order form)

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