---
product_id: 443037944
title: "Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations"
brand: "instrukart"
price: "฿54086"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/443037944-rotronic-hygropalm-hp-21-handheld-humidity-and-temperature-indicator-mini
store_origin: TH
region: Thailand
---

# Fast <3 sec response time Ultra-precise ±1.0% RH accuracy Wide temp range -10 to 60°C Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations

**Brand:** instrukart
**Price:** ฿54086
**Availability:** ✅ In Stock

## Summary

> 🌟 Stay ahead of the curve with precision in your palm!

## Quick Answers

- **What is this?** Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations by instrukart
- **How much does it cost?** ฿54086 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/443037944-rotronic-hygropalm-hp-21-handheld-humidity-and-temperature-indicator-mini)

## Best For

- instrukart enthusiasts

## Why This Product

- Trusted instrukart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged Design Built to Last:** Protected by a durable polycarbonate cage and engineered to withstand wind speeds up to 40 m/s, this tool is your reliable field companion.
- • **Compact & Portable Powerhouse:** Lightweight and battery-powered for ultimate mobility during HVAC installations and maintenance.
- • **Precision that Professionals Trust:** Achieve pinpoint humidity and temperature readings with ±1.0% RH and ±0.2 K accuracy, ensuring flawless HVAC diagnostics.
- • **Seamless Connectivity with Mini USB:** Effortlessly transfer data and integrate with your workflow using the convenient mini USB interface.
- • **Rapid Response for Real-Time Decisions:** Get instant data with a lightning-fast response time under 3 seconds, keeping you ahead in dynamic environments.

## Overview

The Rotronic Hygropalm HP-21 is a handheld humidity and temperature indicator designed for HVAC professionals, offering a wide measurement range (-10 to 60°C, 0-100% RH), exceptional accuracy (±1.0% RH, ±0.2 K), rapid response time (<3 sec), and durable construction with a polycarbonate protective cage. Its mini USB interface ensures easy data transfer, powered by a 9V battery for field-ready portability.

## Description

Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations

## Features

- Measuring Range : -10...60 degreeC / 0…100 %RH Accuracy : At 23 ±5 degreeC : ±1.0 %rh / ±0.2 K ; w. adjustment profile "standard" : at 23 °C / 10, 35, 80 %rh ± 1.0 %rh / ± 0.2 K
- Sensors : Humidity sensor : Hygromer M1-R ; Temperature sensor : PT100 1/3 DIN Class B Probe Protection : Polycarbonate plastic cage, black
- Allowed wind speed : 40 m/s, with filter Long term Stability : <1 %rh / year
- Response Time : t 63 : <3 sec. Power Supply : 9 V battery
- Power Consumption : ~5 mA (without lighting) Dimensions : 274 x 72 x 35 mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Instrukart |
| Manufacturer | INSTRUKART |
| Country of Origin | India |
| Number of Memory Sticks | 1 |
| Item part number | IK Rotronic HP-21 |

## Images

![Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations - Image 1](https://m.media-amazon.com/images/I/41YpUhF0xHL.jpg)

## Frequently Bought Together

- Rotronic Hygropalm HP-21 Handheld Humidity and Temperature indicator with mini Usb interface, HVAC installations
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**Shop now:** [https://www.desertcart.co.th/products/443037944-rotronic-hygropalm-hp-21-handheld-humidity-and-temperature-indicator-mini](https://www.desertcart.co.th/products/443037944-rotronic-hygropalm-hp-21-handheld-humidity-and-temperature-indicator-mini)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*