diff --git a/api/routers/equipment.py b/api/routers/equipment.py
index 26113d9..440c2c6 100644
--- a/api/routers/equipment.py
+++ b/api/routers/equipment.py
@@ -71,6 +71,7 @@ class EquipmentOutputPayload(BaseModel):
     type: str = "float"
     unit: str = ""
     description: str = ""
+    equipment_parameter_id: str = ""
     artifact: bool = False
 
 
diff --git a/web/app/equipment/register/page.tsx b/web/app/equipment/register/page.tsx
index 97f4e69..93de1e4 100644
--- a/web/app/equipment/register/page.tsx
+++ b/web/app/equipment/register/page.tsx
@@ -44,19 +44,27 @@ const UNIT_OPTIONS = [
   { value: "Torr", label: "Torr" },
   { value: "Pa", label: "Pa" },
   { value: "sccm", label: "sccm" },
+  { value: "SLPM", label: "SLPM" },
   { value: "V", label: "V" },
+  { value: "VDC", label: "VDC" },
+  { value: "VRMS", label: "VRMS" },
+  { value: "VAC", label: "VAC" },
   { value: "A", label: "A" },
   { value: "Hz", label: "Hz" },
   { value: "kHz", label: "kHz" },
   { value: "MHz", label: "MHz" },
+  { value: "ohms", label: "ohms" },
   { value: "s", label: "s" },
   { value: "min", label: "min" },
   { value: "°C", label: "°C" },
   { value: "nm", label: "nm" },
   { value: "um", label: "um" },
   { value: "nm/min", label: "nm/min" },
+  { value: "Å", label: "Å" },
+  { value: "Å/min", label: "Å/min" },
   { value: "%", label: "%" },
   { value: "rpm", label: "rpm" },
+  { value: "ratio", label: "ratio" },
   { value: "count", label: "count" },
   { value: "a.u.", label: "a.u." },
 ];
@@ -77,6 +85,7 @@ interface EquipmentOutput {
   type: string;
   unit: string;
   description: string;
+  equipment_parameter_id: string;
   artifact: boolean;
 }
 
@@ -352,6 +361,7 @@ function formDataFromEquipment(equipment: EquipmentInfo): FormData {
           type: output.type || "float",
           unit: output.unit || "",
           description: output.description || "",
+          equipment_parameter_id: output.equipment_parameter_id || "",
           artifact: Boolean(output.artifact),
         }))
       : cloneInitialData().outputs,
@@ -613,6 +623,7 @@ function EquipmentRegisterContent() {
           type: "float",
           unit: "",
           description: "",
+          equipment_parameter_id: "",
           artifact: false,
         },
       ],
@@ -735,6 +746,7 @@ function EquipmentRegisterContent() {
         name: output.name.trim(),
         unit: output.unit.trim(),
         description: output.description.trim(),
+        equipment_parameter_id: output.equipment_parameter_id.trim(),
       }))
       .filter((output) => output.name);
 
@@ -1168,10 +1180,11 @@ function EquipmentRegisterContent() {
                 experiment outputs, not from equipment registration.
               </p>
             </div>
-            <div className="grid grid-cols-[2fr_1fr_1fr_2fr_1fr_auto] gap-2 px-1 text-xs font-medium text-[hsl(var(--muted-foreground))]">
+            <div className="grid grid-cols-[2fr_1fr_1fr_1fr_2fr_1fr_auto] gap-2 px-1 text-xs font-medium text-[hsl(var(--muted-foreground))]">
               <span>Name</span>
               <span>Type</span>
               <span>Unit</span>
+              <span>Eq Param ID</span>
               <span>Description</span>
               <span>Raw file</span>
               <span />
@@ -1180,7 +1193,7 @@ function EquipmentRegisterContent() {
               {formData.outputs.map((output, index) => (
                 <div
                   key={`output-${index}`}
-                  className="grid grid-cols-[2fr_1fr_1fr_2fr_1fr_auto] items-center gap-2"
+                  className="grid grid-cols-[2fr_1fr_1fr_1fr_2fr_1fr_auto] items-center gap-2"
                 >
                   <input
                     value={output.name}
@@ -1207,6 +1220,14 @@ function EquipmentRegisterContent() {
                     <option value="file">file</option>
                   </select>
                   {renderUnitSelect("", output.unit, (value) => updateOutput(index, "unit", value))}
+                  <input
+                    value={output.equipment_parameter_id}
+                    onChange={(event) =>
+                      updateOutput(index, "equipment_parameter_id", event.target.value)
+                    }
+                    placeholder="e.g., 413"
+                    className={inputClass}
+                  />
                   <input
                     value={output.description}
                     onChange={(event) =>
diff --git a/web/lib/api-client.ts b/web/lib/api-client.ts
index f7f466a..6df1078 100644
--- a/web/lib/api-client.ts
+++ b/web/lib/api-client.ts
@@ -592,6 +592,7 @@ export interface EquipmentOutput {
   type: string;
   unit: string;
   description: string;
+  equipment_parameter_id?: string;
   artifact: boolean;
 }