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electromed.co.in · industrial display solutions
Part of Temperature Humidity Indicator family
View all Temperature Humidity Indicator models
Industrial Instruments · RHT Series

RHT04 Temperature Humidity Indicator

4" Large Format

RHT04 is a large-format temperature and humidity indicator with 4-inch (100mm) LED digits for long-distance visibility on factory floors, processing halls, and large storage facilities. Wall-mount or roof-hanging installation with an MS powder-coated enclosure ensures durability in demanding industrial environments. Ideal for central monitoring points visible across an entire bay or section.

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Other models in this family
RHT005 Temperature Humidity Indicator 0.5" Panel Mount RHT02 Temperature Humidity Indicator 2" Standard RHT04 Temperature Humidity Indicator 4" Large Format RHT04-4D Temperature Humidity Indicator 4" Four-Digit Precision RHT06 Temperature Humidity Indicator 6" Jumbo
4" Large Format Flow Panel
Key Specifications

At a Glance

Display Size
4" (100mm)
Sensor
Integral / Remote
Enclosure
MS Powder Coated
Protection
IP54
Outputs
None / 4–20mA / Relay / RS485
Dimensions
620mm x 200m x 80mm
Technical Specifications

Full Specification Table

ParameterSpecification
ModelRHT04
Display Size4" (100mm) Red LED 7-Segment
No. of Digits3 + 3 (Temp + RH%)
Measured ParametersTemperature and Relative Humidity
Temp Range0–50 °C
Humidity Range10–95% RH
Temp Accuracy±0.5 °C
Humidity Accuracy±3% RH
Sensor TypeIntegral / Remote (up to 2m cable)
Output OptionsNone / 4–20 mA / Relay / 4–20 mA + Relay / MODBUS RS485
Power Supply230 V AC, 50 Hz / 24 V DC
EnclosureMS Powder Coated
ProtectionIP54
MountingWall mount / roof hanging
Dimensions620mm x 200m x 80mm
MakeElectro-Med
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