diff --git a/nodejs/c8y-codec-interface/package-lock.json b/nodejs/c8y-codec-interface/package-lock.json
index 7b1b82c81..b44de31bc 100644
--- a/nodejs/c8y-codec-interface/package-lock.json
+++ b/nodejs/c8y-codec-interface/package-lock.json
@@ -14,7 +14,6 @@
         "express": "^4.17.1",
         "inversify": "^5.0.5",
         "node-cron": "^3.0.0",
-        "reflect-metadata": "^0.1.13",
         "source-map-support": "^0.5.19",
         "winston": "^3.7.2"
       },
@@ -24,8 +23,9 @@
         "concurrently": "^6.0.0",
         "jest": "^26.6.3",
         "nodemon": "^2.0.7",
+        "reflect-metadata": "^0.1.13",
         "ts-node": "^9.1.1",
-        "typescript": "^4.2.3"
+        "typescript": "^4.2.4"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -6013,7 +6013,8 @@
     "node_modules/reflect-metadata": {
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.1.13.tgz",
-      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg=="
+      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg==",
+      "dev": true
     },
     "node_modules/regex-not": {
       "version": "1.0.2",
@@ -12749,7 +12750,8 @@
     "reflect-metadata": {
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.1.13.tgz",
-      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg=="
+      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg==",
+      "dev": true
     },
     "regex-not": {
       "version": "1.0.2",
diff --git a/nodejs/lora-codec-adeunis/src/AdeunisCodec.spec.ts b/nodejs/lora-codec-adeunis/src/AdeunisCodec.spec.ts
index ea04f1db9..3ff744f5f 100644
--- a/nodejs/lora-codec-adeunis/src/AdeunisCodec.spec.ts
+++ b/nodejs/lora-codec-adeunis/src/AdeunisCodec.spec.ts
@@ -4,7 +4,10 @@ import { IManagedObject } from "@c8y/client";
 
 class TestCodec extends AdeunisCodec {
   testDecode(model: string, payload: string): C8YData {
-    let mo: Partial<IManagedObject> = { id: "test" };
+    let mo: Partial<IManagedObject> = {
+      id: "test",
+      c8y_RequiredAvailability: { responseInterval: 10 },
+    };
     return this._decode(null, mo, model, 1, new Date(), payload);
   }
 }
@@ -34,4 +37,13 @@ describe("Test Adeunis Codec", () => {
     console.log(c8yData);
     expect(c8yData.measurements.length).toBe(2);
   });
+  test("Test Pulse 4 with historic data", () => {
+    let codec: TestCodec = new TestCodec(null);
+    let c8yData: C8YData = codec.testDecode(
+      "pulse4",
+      "5A8400000127000100020003000414ABA3E9"
+    );
+    console.log(c8yData);
+    expect(c8yData.measurements.length).toBe(5);
+  });
 });
diff --git a/nodejs/lora-codec-adeunis/src/AdeunisCodec.ts b/nodejs/lora-codec-adeunis/src/AdeunisCodec.ts
index 3175cfb63..268b42f3a 100644
--- a/nodejs/lora-codec-adeunis/src/AdeunisCodec.ts
+++ b/nodejs/lora-codec-adeunis/src/AdeunisCodec.ts
@@ -93,15 +93,30 @@ export class AdeunisCodec extends DeviceCodec {
         time
       );
     }
-    if (result.counterValues) {
-      c8yData.addMeasurements(
-        mo,
-        "Pulse",
-        ["Channel A", "Channel B"],
-        ["", ""],
-        [result.counterValues[0], result.counterValues[1]],
-        time
-      );
+    if (
+      (result.type?.includes("0x5a") || result.type?.includes("0x5b")) &&
+      result.counterValues
+    ) {
+      if (!mo.c8y_RequiredAvailability?.responseInterval) {
+        console.error("Device must first retrieve its configuration.");
+      }
+      let channel = "Channel A";
+      if (result.type?.includes("0x5b")) {
+        channel = "Channel B";
+      }
+      result.counterValues.forEach((c, i) => {
+        c8yData.addMeasurement(
+          mo,
+          "Pulse",
+          channel,
+          "",
+          c,
+          new Date(
+            time.getTime() -
+              mo["c8y_RequiredAvailability"]["responseInterval"] * i * 60000
+          )
+        );
+      });
     }
     if (result.type?.includes("configuration")) {
       mo["c8y_Configuration"] = { config: JSON.stringify(result) };
@@ -139,8 +154,7 @@ export class AdeunisCodec extends DeviceCodec {
     }
     if (result.type?.includes("0x48") && result.channels) {
       result.channels.forEach((channel) => {
-        let i = 1;
-        channel.deltaValues.forEach((value) => {
+        channel.deltaValues.forEach((value, i) => {
           c8yData.addMeasurement(
             mo,
             channel.name,
@@ -149,7 +163,6 @@ export class AdeunisCodec extends DeviceCodec {
             channel.index + value,
             new Date(time.getTime() + result.baseTime * i * 60000)
           );
-          i++;
         });
       });
     }