---
product_id: 304598663
title: "SLING HYGROMETER JRM by 99 IN"
brand: "99 in"
price: "E£ 2422"
currency: EGP
in_stock: true
url: https://www.desertcart.com.eg/products/304598663-sling-hygrometer-jrm-by-99-in
store_origin: EG
region: Egypt
---

# Precision 0.5°C graduation Includes extra wick & psychrometric charts Wide temp range -10°C to 50°C SLING HYGROMETER JRM by 99 IN

**Brand:** 99 in
**Price:** E£ 2422
**Availability:** ✅ In Stock

## Summary

> 🌬️ Master humidity like a pro with the SLING HYGROMETER JRM!

## Quick Answers

- **What is this?** SLING HYGROMETER JRM by 99 IN by 99 in
- **How much does it cost?** E£ 2422 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/304598663-sling-hygrometer-jrm-by-99-in)

## Best For

- 99 in enthusiasts

## Why This Product

- Trusted 99 in brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust & Lightweight:** Durable ABS plastic body designed for easy handling and long-term use
- • **Battery-Free Operation:** No batteries needed—eco-friendly and always ready when you are
- • **Wide Temperature Range:** Operates reliably from -10°C to 50°C, perfect for diverse environments
- • **Complete Hygrometer Kit:** Comes with sling case and humidity charts for on-the-go professionals
- • **Accurate Humidity Readings:** Dual wet & dry bulb thermometers for precise relative humidity measurement

## Overview

The SLING HYGROMETER JRM by 99 IN is a precision instrument featuring dual psychrometer thermometers mounted on a durable ABS plastic handle. It measures wet and dry bulb temperatures within a -10°C to 50°C range with 0.5°C accuracy, enabling accurate relative humidity calculations. Supplied with a sling case, extra wick, and psychrometric charts, it’s a complete, battery-free solution for professionals needing reliable humidity data in the field.

## Description

Sling Hygrometer Make : JRM by 99 INSTRUMENTS  Pair thermometers mounted on a plastic plate to measure wet and dry bulb temperature to compute relative humidity.  Specifications:  → * 1. Range == :-10/50 °C OR 20/120 °F  → * 2. Least Count/Graduation == :0.5 °C OR 1 °F  → * 3. Body Material == :ABS Plastic  → * 4. Include == :Extra Wick and Psychrometric Charts

## Features

- ✅ Whirling Hygrometer
- ✅ 2 no. Psychrometer
- ✅ Prismatic pair thermometer filled on specially designed plastic handle and water bottle
- ✅ It supplied with sling case and humidity chart
- ✅ RANGE: -10°C TO 50°C

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | 99 IN |
| Battery Description | No batteries required |
| Mounting Type | Freestanding |
| Upper Temperature Rating | 5E+1 Degrees Celsius |
| Temperature Accuracy | 0.5 |
| Manufacturer | 99 INSTRUMENTS |
| Number of Memory Sticks | 1 |
| Item part number | SLING |
| Battery type | No batteries required |

## Product Details

- **Brand:** 99 IN
- **Battery Description:** No batteries required
- **Mounting Type:** Freestanding
- **Upper Temperature Rating:** 5E+1 Degrees Celsius
- **Temperature Accuracy:** 0.5

## Images

![SLING HYGROMETER JRM by 99 IN - Image 1](https://m.media-amazon.com/images/I/31VKjUxlIcL.jpg)
![SLING HYGROMETER JRM by 99 IN - Image 2](https://m.media-amazon.com/images/I/31VKjUxlIcL.jpg)
![SLING HYGROMETER JRM by 99 IN - Image 3](https://m.media-amazon.com/images/I/31VKjUxlIcL.jpg)

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---

*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-02-21*