---
product_id: 407953833
title: "Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display"
brand: "real instruments"
price: "S$5"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/407953833-real-instruments-ht-1890-digital-manometer-dual-port-air-pressure
store_origin: SG
region: Singapore
---

# LCD backlight 11 units Low battery alert Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display

**Brand:** real instruments
**Price:** S$5
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Measure with Confidence!

## Quick Answers

- **What is this?** Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display by real instruments
- **How much does it cost?** S$5 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/407953833-real-instruments-ht-1890-digital-manometer-dual-port-air-pressure)

## Best For

- real instruments enthusiasts

## Why This Product

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

## Key Features

- • **Clear Visibility:** Large LCD display ensures readability in any lighting condition.
- • **Smart Functionality:** Max/Min/Average values with data hold and zero adjustment for precise control.
- • **User-Friendly Design:** Lightweight and compact for effortless one-handed operation.
- • **Precision Measurement:** Experience accurate readings with 11 selectable units for versatile applications.
- • **Versatile Applications:** Ideal for HVAC, medical equipment, and gas appliance troubleshooting.

## Overview

The Real Instruments HT-1890 Digital Manometer is a dual-port air pressure meter designed for precision and versatility. With 11 selectable units, a large LCD backlight display, and features like data hold and zero adjustment, this lightweight device is perfect for HVAC professionals and technicians needing reliable measurements in various applications.

## Description

Product Description This HVAC Digital Manometer is professional instrument to measure gauge.Offering 11 selectable units of measure,Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 55.4 in. H2O (inches of water). Max/Min recording are useful features,Data Hold and Auto Power Off functions. The also features Zero function for offset correction or measurement.It is ideal forcarrying out servicing and troubleshooting on air conditioning and refrigeration systems. Digital Manometer HT-1890 (Basic) One Set Included 1 x Manometer 2 Pairs of Tubing 1 x 1/8" Barb Access Fitting 1 x Carrying Pouch 1 x Instruction Manual 1 x 9V Battery (Included) Professional Instrument to Measure Gauge Low Range/High-Resolution Gauge or Differential Pressure. Measuring Ranges: ±13.79 kPa / ±2 psi / ±55.4 H2O. High Accuracy: 0.001psi. 11 Selectable Units of measure: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2,FtH2O, cmH2O, kgcm2. Large LCD with backlight. MAX/MIN/AVG values and Zero function. Data Hold and Auto Power Off functions. Error Codes for out of range indication. Warning: Pressure inputs of 10 psi or higher will damage the instrument. Do not apply pressure higher than the maximum pressure listed in the specification table Features Low Range/High Resolution Gauge or Differential Pressure. Data Hold and Auto Power Offfunctions . Multi-Application Specifically for use in HVAC, pneumatic controls, medical equipment, gas appliance repair and installation, laboratory testing,computer peripherals.

## Features

- ✅【𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧】: This air pressure meter has many functions such as 11 selectable units for measurement, convenient for use. Max./Min./Average values, and with a relative time clock. Low battery indicator and pressure unit indicator. Zero adjustment, offset and DIF function. Data hold and automatically shutdown function.
- ✅【𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧】: This differential gauge is widely used for measuring ventilation and air conditioning system, spot check, clean room, or any gas pressure system troubleshooting.
- ✅【𝐋𝐚𝐫𝐠𝐞 𝐋𝐂𝐃 𝐃𝐢𝐬𝐩𝐥𝐚𝐲】: The digital manometer is equipped with large LCD backlight display for clear reading even in the dark.
- ✅【𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞】: The meter has compact size and light weight, easy to carry and comfortable to hold. It is suitable for one hand operation, up a hand for other work.
- ✅【𝐌𝐮𝐥𝐭𝐢-𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧】: Specifically for use in HVAC, pneumatic controls, medical equipment, gas appliance repair and installation, laboratory testing,computer peripherals.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Real Instruments |
| Manufacturer | Real Instruments |
| Country of Origin | India |
| Number of Memory Sticks | 1 |
| Item Weight | 410 g |
| Package Dimensions | 21.08 x 11.43 x 5.33 cm; 410 g |
| Item part number | HT-1890 |

## Images

![Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display - Image 1](https://m.media-amazon.com/images/I/51gmVUmf3FL.jpg)
![Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display - Image 2](https://m.media-amazon.com/images/I/51Nb72ULnGL.jpg)
![Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display - Image 3](https://m.media-amazon.com/images/I/41VeIQSPS9L.jpg)
![Real Instruments HT-1890 Digital Manometer Dual Port Air Pressure Meter Differential Air Pressure Gauge u Tube kit electrometer 11 Selectable Units Data Hold Zero Adjustment LCD Backlight Display - Image 4](https://m.media-amazon.com/images/I/41QXJtRmzzL.jpg)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-14*