Knowledge Base

Kestrel 4 Series Manuals, Downloads, and Troubleshooting Documents

Kestrel 4 Series Instruction Manuals

Instruction Manual Kestrel 4000 Series Weather & Environmental Meters 4000, 4200, 4250, 4300, 4400, 4500 and 4600

Instruction Manual Kestrel Heat Stress Tracker 4400 & 4600

Kestrel Communicator Software Instructions

User Guide for the Ketsrel 4000 Portable Vane Mount


Kestrel 4 Series Instruction Manuals (Ballistics)

Application Instructions Applied Ballistics Profile Loader (Build 050)

Instruction Manual for Kestrel 4500 Shooter's Weather Meter with Applied Ballistics

Instruction Manual for Kestrel 4500 Shooter's Weather Meter with Horus Atrag Ballistics Software

Overview of the setup and use of the Kestrel 4500 Shooter's Weather Meter with Applied Ballistics

Kestrel Companion is a Android app that will communicate with Kestrel 4500 Sportsman and Applied Ballistic Bluetooth units.


Kestrel 4 Series Downloads

Kestrel Horus Help Files - Connecting with Bluetooth and FAQs

Kestrel Communicator Interface Software, v 2.1.1 compatible with ALL Kestrel 4000 series models

Application that allows gun profile transfers for the Kestrel 4500 Horus units.

Windows compatible PC Interface Driver For use with Kestrel 4 to connect and transfer data to a PC

Prolific USB to serial driver

Updating your Kestrel AB Firmware to 4.93 - Bluetooth and Non Bluetooth models

Use this link to upgrade your Kestrel 4500 Bluetooth Firmware 4.93

Updating your Horus Firmware to 4.93 on K4 Unit - Bluetooth and Non-Bluetooth units

Updating your Kestrel Sportsman with AB Firmware to 4.93 - Bluetooth and Non Bluetooth models

Use this link to upgrade your Kestrel 4500 Firmware 4.93 for Non Bluetooth Units


Kestrel 4 Series Troubleshooting Documents

Connecting my 4000 Series Kestrel Using Bluetooth

FAQ Connecting your Kestrel 4XXX Series to a MAC

FAQ How to update the Kestrel 4500 firmware using the NK Bootloader Program


Kestrel 4 Series Certificates of Comformity

Certificate of Conformity (COC) Kestrel 4400 & 4600

EMC DECLARATION OF CONFORMITY 4000, 4000NV, 4100, 4200, 4250, 4300

EMC DECLARATION OF CONFORMITY 4400, 4400BT

EMC DECLARATION OF CONFORMITY 4500, 4500NV


Support Documents for all Kestrels

Replacing the Kestrel Impeller

Explanation of flow lines on the back of a Kestrel 5000 Series unit.

Instructions on changing a Kestrel 4000 series battery door.

Fine Dead Fuel Moisture and Probability of Ignition Tables