> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Auto Ranging True RMS Datalogger Digital Multimeter

**Type:** Product page · **SKU:** AQ1098
**Page:** https://core-electronics.com.au/auto-ranging-true-rms-datalogger-digital-multimeter.html ([markdown](https://core-electronics.com.au/auto-ranging-true-rms-datalogger-digital-multimeter.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: digital multimeter.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/digital%20multimeter

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

With features including a 3.75 digit 4000 count display, auto ranging with analogue bar graph and a 10MHz frequency counter, this is undoubtedly the finest multimeter we have ever evaluated. With proper care this multimeter will last a lifetime, and is perfect for research and development, service work and general scientific measurement applications. Supplied complete with high quality silicon rubber leads and durable protective carry case.

#### Features

- True RMS mode
- Q 1098 features RS-232 interface to PC computer (software supplied for DOS and Windows)
- Dual display for frequency, AC voltage and temperature
- 10 Location memory
- Time mode with alarm, clock and stop watch
- MIN, MAX, AVG and relative modes
- Decibel measurement
- Capacitance and inductance measurement
- Temperature mode (°C/°F)
- Pulse signal injection function for logic and audible testing, etc
- Continuity and diode test
- Logic test
- Auto power “off” and “keep on” mode
- Fused 20A input
- Warning buzzer sounds when leads are incorrectly inserted in the 20A current mode
- Back lit display
- Data hold and run mode
- Low battery indication mode
- Overload protection and safety design in compliance with UL 1244 and VDE0411.

 

**Minimum PC Requirements**
IBM Compatible 486 or greater 
100Mhz processor 
Requires RS232 COM port with 9 pin plug (or adaptor to suit) 
Software provided for Windows 7 and earlier. 
 
Software is compatible with Windows 7 and earlier. 
Not Compatible with Mac Os.

**Specifications**

- **DC Voltage**
- Range 400mV, 4V, 40V, 400V, 1000V
- Resolution 0.1mV, 1mV, 10mV, 100mV, 1V
- Accuracy 0.5% +2 digits
- **AC Voltage**
- Range 400mV, 4V, 40V, 400V, 750V
- Resolution 0.1mV, 1mV, 10mV, 100mV, 1V
- Accuracy 1.5% +2 digits
- **DC Current**
- Range 400µA, 400mA, 20A
- Resolution 0.1µA, 0.1mA, 0.01A
- Accuracy 1% +2 digits
- **AC Current**
- Range 400µA, 400mA, 20A
- Resolution 0.1µA, 0.1mA, 0.01A
- Accuracy 1.5% +3 digits
- **Resistance**
- Range 400 Ohm, 4k Ohm, 40k Ohm, 400k Ohm, 4M Ohm, 40M Ohm
- Resolution 0.1 Ohm, 1 Ohm, 10 Ohm, 100 Ohm
- Accuracy 0.5% +2 digits
- **Frequency**
- Range 10kHz, 100kHz, 1MHz, 10MHz
- Resolution 1Hz, 10Hz, 100Hz, 1kHz
- Accuracy 0.01% +2 digits
- **Capacitance**
- Range 100µF
- Resolution 0.01µF
- Accuracy 3% +5 digits
- **Inductance**
- Range 0-20H, 20-50H, 50-100H
- Resolution 0.01H all ranges
- Accuracy 3% +5d, 5% +5d, 10% +5d
- **Temperature**
- Range -20°C - 1200°C (0°F - 2000°F)
- Resolution 1°C /°F
- Accuracy 3% +3d (10 - 350°C), 3% +5d(-20 - 10°C)
 
- **Decibels dBm**
- Range -25 dBm - +59 dBm
- Resolution 0.01 dBm
- Accuracy ±0.5 dBm
- Logic Test 0.8V- 2.0V
- Diode Test Test Voltage 3.3V Max
- Continuity Test Less Than 100 Ohm
- Signal Out (4.5V Sq Wave)2048Hz, 4096Hz, 8192Hz
- Protection 250V/20A Fused
- Dimensions 88W x 37D x 199H

**Downloads**

- Software
- Intruction Manual

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/a/u/auto_ranging_true_rms_datalogger_digital_multimeter__q1098__00.jpg)