[Home](/) / [Module](/categories/7-module) / [ECM](/groups/201-ecm) / [Gravimetric ECM I](/types/1955-gravimetric-ecm-i)

# Gravimetric ECM I

## Tools

[Reprocess](/reprocess?type=1955) · Build: [Gravimetric ECM I Blueprint](/industry?blueprint=11631) · Blueprint requirements: [Gravimetric ECM I Blueprint](/blueprints/11631-gravimetric-ecm-i-blueprint) · [Appraise](/appraise) · Market: [Amarr orders](/market?type=1955&region=10000043); [Amarr regional history](/market?type=1955&region=10000043&tab=history); [Dodixie orders](/market?type=1955&region=10000032); [Dodixie regional history](/market?type=1955&region=10000032&tab=history); [Hek orders](/market?type=1955&region=10000042); [Hek regional history](/market?type=1955&region=10000042&tab=history); [Jita orders](/market?type=1955&region=10000002); [Jita regional history](/market?type=1955&region=10000002&tab=history); [Rens orders](/market?type=1955&region=10000030); [Rens regional history](/market?type=1955&region=10000030&tab=history)

Orders cover the selected hub region. Price history is regional, not station-specific.

## Overview

Market: [Ship Equipment](/market/9-ship-equipment) / [Electronic Warfare](/market/657-electronic-warfare) / [Electronic Counter Measures](/market/677-electronic-counter-measures) / [Gravimetric Jammers](/market/717-gravimetric-jammers)

ECM · Module · Tech I

## Facts

| Fact | Value |
| --- | --- |
| Volume | 5 m³ |
| Portion size | 1 |
| Base price | 20,000.00 ISK |
| Published | Yes |


## Prices

| Market | Value |
| --- | --- |
| Jita 4-4 sell minimum | 48,820.00 ISK |
| Jita 4-4 buy maximum | 6,173.00 ISK |
| The Forge sell minimum | 48,820.00 ISK |
| The Forge buy maximum | 6,173.00 ISK |
| Sell volume | 2005 |
| Buy volume | 4298 |
| Snapshot loaded | 2026-09-10T05:51:58.412Z |
| HTTP last modified | 2026-09-10T05:19:49.000Z |
| Source | snapshot |


[Order book](/types/1955-gravimetric-ecm-i/prices) · [Price history](/types/1955-gravimetric-ecm-i/history)

## Fitting

| Attribute | Value |
| --- | --- |
| CPU usage | 40 tf |
| Powergrid Usage | 1 MW |


## Structure

| Attribute | Value |
| --- | --- |
| Structure Hitpoints | 40 HP |


## Capacitor

| Attribute | Value |
| --- | --- |
| Activation Cost | 48 GJ |


## Miscellaneous

| Attribute | Value |
| --- | --- |
| Activation time / duration | 20 s |
| Meta Level | 0 Level |
| Overload ECM Bonus | 20 % |
| Required Thermodynamics Level | 1 Level |
| Tech Level | 1 Level |


## Required Skills

| Attribute | Value |
| --- | --- |
| Primary Skill required | 3427 typeID |


## EW - Target Jamming

| Attribute | Value |
| --- | --- |
| Gravimetric ECM Jammer Strength | 3.3 |
| Ladar ECM Jammer Strength | 1.1 |
| Magnetometric ECM Jammer Strength | 1.1 |
| RADAR ECM Jammer Strength | 1.1 |


## Turrets

| Attribute | Value |
| --- | --- |
| Effectiveness Falloff | 27000 m |
| Optimal Range | 28800 m |


## Heat

| Attribute | Value |
| --- | --- |
| Heat Damage | 6.6 HP |


## Materials

| Reprocessing yield | Quantity |
| --- | --- |
| [Tritanium](/types/34-tritanium) | 2,884 |
| [Pyerite](/types/35-pyerite) | 919 |
| [Megacyte](/types/40-megacyte) | 2 |


[Reprocessing calculator](/reprocess?type=1955)

## Industry

| Blueprint | Activity | Quantity |
| --- | --- | --- |
| [Gravimetric ECM I Blueprint](/blueprints/11631-gravimetric-ecm-i-blueprint) | manufacturing | 1 |


## Variations

- ['Plunderer' Gravimetric ECM](/types/20577-plunderer-gravimetric-ecm) (Storyline)
- [BZ-5 Scoped Gravimetric ECM](/types/19946-bz-5-scoped-gravimetric-ecm) (Tech I)
- [CZ-4 Compact Gravimetric ECM](/types/19944-cz-4-compact-gravimetric-ecm) (Tech I)
- [FZ-3a Enduring Gravimetric ECM](/types/19942-fz-3a-enduring-gravimetric-ecm) (Tech I)
- [Gravimetric ECM II](/types/2571-gravimetric-ecm-ii) (Tech II)
- [Legion Gravimetric ECM](/types/28735-legion-gravimetric-ecm) (Faction)
- [Panola's Modified Gravimetric ECM](/types/85005-panolas-modified-gravimetric-ecm) (Officer)

## Formats

Links: [Markdown](/types/1955-gravimetric-ecm-i.md) · [JSON](/types/1955-gravimetric-ecm-i.json)