diff --git a/edc-web/app/static/js/fixture.js b/edc-web/app/static/js/fixture.js
index a93ff14..20221a3 100644
--- a/edc-web/app/static/js/fixture.js
+++ b/edc-web/app/static/js/fixture.js
@@ -1,5 +1,16 @@
 // 工装配置页
 
+// ─── 频率/峰峰值转换常量 ─────────────────────
+// 协议: 工作频率 f(Hz) = 10 * X,  X 为 DB/设备中存储和传输的原始值
+// 协议: 峰峰值 V = ((X * 3.3) / 4095) * 4,  X 为 DB/设备中存储和传输的原始值(正整数)
+const FREQ_SCALE = 10;
+const PEAK_SCALE = 4095 / (4 * 3.3);  // ≈ 310.227
+
+function rawFreqToHz(x) { return x * FREQ_SCALE; }
+function hzToRawFreq(hz) { return Math.round(hz / FREQ_SCALE); }
+function rawPeakToV(x) { return parseFloat(((x * 3.3) / 4095 * 4).toFixed(2)); }
+function vToRawPeak(v) { return Math.round(v * PEAK_SCALE); }
+
 let baseTests = [];  // 所有车检器基准参数
 let selectedBaseTest = null;
 let pollTimer4C = null;   // 0x4C 参数查询轮询
@@ -82,8 +93,8 @@ function renderBaseTestTable() {
             <td>${t.type_num}</td>
             <td>${esc(t.dev_name)}</td>
             <td>${t.SensMin}~${t.SensMax}</td>
-            <td>${t.FreMin}~${t.FreMax}</td>
-            <td>${t.PeakMin}~${t.PeakMax}</td>
+            <td>${rawFreqToHz(t.FreMin)}~${rawFreqToHz(t.FreMax)}</td>
+            <td>${rawPeakToV(t.PeakMin)}~${rawPeakToV(t.PeakMax)}</td>
         </tr>
     `).join("");
 }
@@ -108,10 +119,10 @@ function fillFromBaseTest(t) {
     document.getElementById("param-dev-type").value = t.type_num;
     document.getElementById("param-sens-min").value = t.SensMin;
     document.getElementById("param-sens-max").value = t.SensMax;
-    document.getElementById("param-fre-min").value = t.FreMin;
-    document.getElementById("param-fre-max").value = t.FreMax;
-    document.getElementById("param-peak-min").value = t.PeakMin;
-    document.getElementById("param-peak-max").value = t.PeakMax;
+    document.getElementById("param-fre-min").value = rawFreqToHz(t.FreMin);
+    document.getElementById("param-fre-max").value = rawFreqToHz(t.FreMax);
+    document.getElementById("param-peak-min").value = rawPeakToV(t.PeakMin);
+    document.getElementById("param-peak-max").value = rawPeakToV(t.PeakMax);
 }
 
 function onDevTypeChange() {
@@ -202,10 +213,10 @@ function fillFormFromParam(param) {
     document.getElementById("param-dev-type").value = param.DevType || 0;
     document.getElementById("param-sens-min").value = param.SensMin || 0;
     document.getElementById("param-sens-max").value = param.SensMax || 0;
-    document.getElementById("param-fre-min").value = param.FreMin || 0;
-    document.getElementById("param-fre-max").value = param.FreMax || 0;
-    document.getElementById("param-peak-min").value = param.PeakMin || 0;
-    document.getElementById("param-peak-max").value = param.PeakMax || 0;
+    document.getElementById("param-fre-min").value = rawFreqToHz(param.FreMin || 0);
+    document.getElementById("param-fre-max").value = rawFreqToHz(param.FreMax || 0);
+    document.getElementById("param-peak-min").value = rawPeakToV(param.PeakMin || 0);
+    document.getElementById("param-peak-max").value = rawPeakToV(param.PeakMax || 0);
     document.getElementById("param-far-tol").value = (param.FarTol || 0) * 10;
     document.getElementById("param-near-tol").value = (param.NearTol || 0) * 10;
     document.getElementById("param-step-tol").value = (param.StepTol || 0) * 10;
@@ -299,10 +310,10 @@ function getFormParams() {
         minus_dis: Math.round((parseInt(document.getElementById("param-minus-dis").value) || 0) / 10),
         sens_min: parseInt(document.getElementById("param-sens-min").value) || 0,
         sens_max: parseInt(document.getElementById("param-sens-max").value) || 0,
-        fre_min: parseInt(document.getElementById("param-fre-min").value) || 0,
-        fre_max: parseInt(document.getElementById("param-fre-max").value) || 0,
-        peak_min: parseInt(document.getElementById("param-peak-min").value) || 0,
-        peak_max: parseInt(document.getElementById("param-peak-max").value) || 0,
+        fre_min: hzToRawFreq(parseFloat(document.getElementById("param-fre-min").value) || 0),
+        fre_max: hzToRawFreq(parseFloat(document.getElementById("param-fre-max").value) || 0),
+        peak_min: vToRawPeak(parseFloat(document.getElementById("param-peak-min").value) || 0),
+        peak_max: vToRawPeak(parseFloat(document.getElementById("param-peak-max").value) || 0),
         far_tol: Math.round((parseInt(document.getElementById("param-far-tol").value) || 0) / 10),
         near_tol: Math.round((parseInt(document.getElementById("param-near-tol").value) || 0) / 10),
         step_tol: Math.round((parseInt(document.getElementById("param-step-tol").value) || 0) / 10),
diff --git a/edc-web/app/static/js/vehicle_base_test.js b/edc-web/app/static/js/vehicle_base_test.js
index 66449d3..98cfd5f 100644
--- a/edc-web/app/static/js/vehicle_base_test.js
+++ b/edc-web/app/static/js/vehicle_base_test.js
@@ -1,5 +1,16 @@
 // 车检器测试基准参数管理
 
+// ─── 频率/峰峰值转换常量 ─────────────────────
+// 协议: 工作频率 f(Hz) = 10 * X,  X 为 DB/设备中存储和传输的原始值
+// 协议: 峰峰值 V = ((X * 3.3) / 4095) * 4,  X 为 DB/设备中存储和传输的原始值(正整数)
+const FREQ_SCALE = 10;
+const PEAK_SCALE = 4095 / (4 * 3.3);  // ≈ 310.227
+
+function rawFreqToHz(x) { return x * FREQ_SCALE; }
+function hzToRawFreq(hz) { return Math.round(hz / FREQ_SCALE); }
+function rawPeakToV(x) { return parseFloat(((x * 3.3) / 4095 * 4).toFixed(2)); }
+function vToRawPeak(v) { return Math.round(v * PEAK_SCALE); }
+
 let editId = null;  // null=新增, number=编辑
 
 // ─── Toast ───────────────────────────────────
@@ -36,8 +47,8 @@ function renderTable(data) {
             <td>${t.type_num}</td>
             <td>${esc(t.dev_name)}</td>
             <td>${t.SensMin} ~ ${t.SensMax}</td>
-            <td>${t.FreMin} ~ ${t.FreMax}</td>
-            <td>${t.PeakMin} ~ ${t.PeakMax}</td>
+            <td>${rawFreqToHz(t.FreMin)} ~ ${rawFreqToHz(t.FreMax)}</td>
+            <td>${rawPeakToV(t.PeakMin)} ~ ${rawPeakToV(t.PeakMax)}</td>
             <td>${esc(t.remark || '-')}</td>
             <td>
                 <button class="btn-edit" onclick="openModal(${t.id})">编辑</button>
@@ -63,10 +74,10 @@ function openModal(id = null) {
                 document.getElementById("edit-dev-name").value = data.dev_name;
                 document.getElementById("edit-sens-min").value = data.SensMin;
                 document.getElementById("edit-sens-max").value = data.SensMax;
-                document.getElementById("edit-fre-min").value = data.FreMin;
-                document.getElementById("edit-fre-max").value = data.FreMax;
-                document.getElementById("edit-peak-min").value = data.PeakMin;
-                document.getElementById("edit-peak-max").value = data.PeakMax;
+                document.getElementById("edit-fre-min").value = rawFreqToHz(data.FreMin);
+                document.getElementById("edit-fre-max").value = rawFreqToHz(data.FreMax);
+                document.getElementById("edit-peak-min").value = rawPeakToV(data.PeakMin);
+                document.getElementById("edit-peak-max").value = rawPeakToV(data.PeakMax);
                 document.getElementById("edit-remark").value = data.remark || "";
             });
     } else {
@@ -96,10 +107,10 @@ async function saveRecord() {
         dev_name: document.getElementById("edit-dev-name").value.trim(),
         SensMin: parseInt(document.getElementById("edit-sens-min").value) || 0,
         SensMax: parseInt(document.getElementById("edit-sens-max").value) || 0,
-        FreMin: parseInt(document.getElementById("edit-fre-min").value) || 0,
-        FreMax: parseInt(document.getElementById("edit-fre-max").value) || 0,
-        PeakMin: parseInt(document.getElementById("edit-peak-min").value) || 0,
-        PeakMax: parseInt(document.getElementById("edit-peak-max").value) || 0,
+        FreMin: hzToRawFreq(parseFloat(document.getElementById("edit-fre-min").value) || 0),
+        FreMax: hzToRawFreq(parseFloat(document.getElementById("edit-fre-max").value) || 0),
+        PeakMin: vToRawPeak(parseFloat(document.getElementById("edit-peak-min").value) || 0),
+        PeakMax: vToRawPeak(parseFloat(document.getElementById("edit-peak-max").value) || 0),
         remark: document.getElementById("edit-remark").value.trim(),
     };