Temp/Humidity Indicator · RHT Series

Temperature Humidity Indicator

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Product Models

Temperature Humidity Indicator Models

Model options

0.5"

RHT005

Model RHT005

Display size 0.5" (12mm)

Enclosure 96×96mm ABS Plastic

Dimensions 96mm × 96mm × 130mm

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RHT01

Model RHT01

Display size 1" (25mm)

Enclosure MS Powder Coated

Dimensions x x x

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RHT02

Model RHT02

Display size 2" (50mm)

Enclosure MS Powder Coated

Dimensions 300mm × 270mm × 65mm

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RHT04

Model RHT04

Display size 4" (100mm)

Enclosure MS Powder Coated

Dimensions 620mm × 200mm × 125mm

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4" (4D)

RHT04-4D

Model RHT04-4D

Display size 4" (100mm) 4-digit

Enclosure MS Powder Coated

Dimensions 445mm × 440mm × 60mm

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RHT06

Model RHT06

Display size 6" (150mm)

Enclosure MS Powder Coated

Dimensions 750mm × 550mm × 80mm

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RHT005 Temperature Humidity Indicator

Display Size 0.5" (12mm)

Sensor Integral

Enclosure 96×96mm ABS Plastic

Protection IP54

Outputs None / 4–20mA / Relay

Dimensions 96mm x 96mm x 130mm

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RHT02 Temperature Humidity Indicator

Display Size 2" (50mm)

Sensor Integral / Remote

Enclosure MS Powder Coated

Protection IP54

Outputs None / 4–20mA / Relay / RS485

Dimensions 300m x 270mm x 65mm

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RHT04 Temperature Humidity Indicator

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

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RHT04-4D Temperature Humidity Indicator

Display Size 4" (100mm)

Digits 4 per parameter

Sensor Integral / Remote

Enclosure MS Powder Coated

Protection IP54

Outputs None / 4–20mA / Relay / RS485

Dimensions 445mm x 440mm x 60mm

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RHT06 Temperature Humidity Indicator

Display Size 6" (150mm)

Sensor Remote

Enclosure MS Powder Coated

Protection IP54

Outputs None / 4–20mA / Relay / RS485

Dimensions 750mm x 550mm x 80mm

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Need a different size, input range, or enclosure? Tell us your requirement — we custom-build to spec.

About This Product

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The RHT Series Temperature Humidity Indicator measures and displays both ambient temperature and relative humidity on a bright LED display, purpose-built for industrial sites where standard HVAC sensors fall short. Available in 0.5" and 1" digit sizes with integral or remote sensor options. Outputs include 4–20mA, relay, and MODBUS RS485 — making the RHT Series straightforward to integrate into existing SCADA, BMS, or PLC systems. The IP54-rated enclosure handles dusty and humid plant environments without special enclosures or housings.

Simultaneous temperature and relative humidity display
Choice of 0.5" (12mm) or 1" (25mm) LED digit size
Integral sensor or remote sensor up to 2m cable length
Output options: None / 4–20mA / Relay / 4–20mA + Relay / MODBUS RS485
Single-side display; wall-mount enclosure
Powered by 230V AC or 24V DC supply
IP54-rated enclosure for industrial and utility environments

±0.5°C

Temp Accuracy

±3% RH

Humidity Accuracy

IP54

Protection Rating

Max Remote Sensor Cable

Technical Specifications

Full Specification Table

Parameter	Specification
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Model	Variant	Display Size (mm)	Dimensions (W × H × D mm)
RHT005	0.5"	0.5" (12mm)	96mm × 96mm × 130mm
RHT01	1"	1" (25mm)	x x x
RHT02	2"	2" (50mm)	300mm × 270mm × 65mm
RHT04	4"	4" (100mm)	620mm × 200mm × 125mm
RHT04-4D	4" (4D)	4" (100mm) 4-digit	445mm × 440mm × 60mm
RHT06	6"	6" (150mm)	750mm × 550mm × 80mm

How to Order

Ordering Information

Parameter	Options
Code Format	`[BASE_CODE]-[SENSOR]-[OUTPUT]-[IPRATING]-[PS]`
Sensor	TP — Tip Sensor (included) (default)
Output	OP0 — No Output (default) OP1 — 4–20 mA Retransmission OP2 — Relay Hi/Lo OP3 — 4–20 mA + Relay Hi/Lo OP4 — RS485 Modbus RTU
IP Rating	IP54 — IP54 Rain + Dust Resistant (default) IP65 — IP65 Fully Dust Tight, Air Tight
Power Supply	PS1 — 230V AC, 50Hz (default) PS2 — 24V DC