diff --git a/src/components/d3/monitoring/D3MonitoringLimitChart.tsx b/src/components/d3/monitoring/D3MonitoringLimitChart.tsx
index be88683..97dc80c 100644
--- a/src/components/d3/monitoring/D3MonitoringLimitChart.tsx
+++ b/src/components/d3/monitoring/D3MonitoringLimitChart.tsx
@@ -1,9 +1,9 @@
-import { memo, useEffect, useMemo, useState } from 'react'
+import { CSSProperties, memo, useEffect, useMemo, useState } from 'react'
 import * as d3 from 'd3'
 
 import { Grid, GridItem } from '@components/Grid'
+import { formatDate, makeDisplayValue } from '@utils'
 import { TelemetryDataSaubDto } from '@api'
-import { formatDate } from '@utils'
 
 type LimitChartData = {
     id: number
@@ -77,6 +77,8 @@ export type D3MonitoringLimitChartProps<DataType> = {
 const tooltipWidth = 270
 const tooltipHeight = 120
 
+const displayValue = makeDisplayValue()
+
 const _D3MonitoringLimitChart = <DataType extends TelemetryDataSaubDto>({
     yAxis,
     data: chartData,
@@ -85,7 +87,7 @@ const _D3MonitoringLimitChart = <DataType extends TelemetryDataSaubDto>({
     left,
     top,
     regulators,
-    zoneWidth = 0
+    zoneWidth = 0,
 }: D3MonitoringLimitChartProps<DataType>) => {
     const [ref, setRef] = useState<SVGGElement | null>(null)
     const [selected, setSelected] = useState<LimitChartData & { x: number, y: number, visible: boolean }>()
@@ -108,22 +110,37 @@ const _D3MonitoringLimitChart = <DataType extends TelemetryDataSaubDto>({
                 const y = yAxis(d.dateStart) - tooltipHeight
                 setSelected({ ...d, y, x: -tooltipWidth - 10, visible: true })
             })
-            .on('mouseout', (_, d) => setSelected((pre) => pre ? ({ ...pre, visible: false }) : undefined))
+            .on('mouseout', () => setSelected((pre) => pre ? ({ ...pre, visible: false }) : undefined))
     }, [yAxis, data, ref, width])
 
     const zoneY1 = useMemo(() => yAxis && selected ? yAxis(selected.dateStart) : 0, [yAxis, selected])
     const zoneY2 = useMemo(() => yAxis && selected ? yAxis(selected.dateEnd) : 0, [yAxis, selected])
 
-    const tooltipStyle = useMemo(() => ({ transition: 'opacity .1s ease-in-out', opacity: selected?.visible ? 1 : 0 }), [selected])
+    const opacityStyle: CSSProperties = useMemo(() => ({
+        transition: 'opacity .1s ease-in-out',
+        opacity: selected?.visible ? 1 : 0,
+    }), [selected])
+
+    const tooltipStyle: CSSProperties = useMemo(() => ({
+        ...opacityStyle,
+        display: 'flex',
+        flexDirection: 'column',
+        alignItems: 'center',
+    }), [opacityStyle])
 
     return (
         <g transform={`translate(${left}, ${top})`} stroke={'#333'} strokeWidth={1} fill={'none'}>
             <g ref={setRef} >
                 <g className={'bars'} strokeWidth={0} />
                 {selected && (
-                    <g strokeDasharray={'6, 3, 3, 3'} style={tooltipStyle} stroke={regulators[selected.id].color}>
-                        <line x1={-zoneWidth} y1={zoneY1} y2={zoneY1} />
-                        <line x1={-zoneWidth} y1={zoneY2} y2={zoneY2} />
+                    <g
+                        style={opacityStyle}
+                        pointerEvents={'none'}
+                        strokeDasharray={'6, 3, 3, 3'}
+                        stroke={regulators[selected.id].color}
+                    >
+                        <line x1={-zoneWidth} x2={0} y1={zoneY1} y2={zoneY1} />
+                        <line x1={-zoneWidth} x2={0} y1={zoneY2} y2={zoneY2} />
                         <rect
                             opacity={0.1}
                             stroke={'none'}
@@ -139,17 +156,17 @@ const _D3MonitoringLimitChart = <DataType extends TelemetryDataSaubDto>({
             <rect x={0} y={0} width={width} height={height} />
             {selected && (
                 <foreignObject width={tooltipWidth} height={tooltipHeight} x={selected.x} y={selected.y} pointerEvents={'none'}>
-                    <div className={'tooltip bottom'} style={{ ...tooltipStyle, display: 'flex', flexDirection: 'column', alignItems: 'center'}}>
+                    <div className={'tooltip bottom'} style={tooltipStyle}>
                         <span>Ограничивающий параметр</span>
                         <span>{regulators[selected.id].label}</span>
-                        <Grid style={{ margin: 0 }}>
+                        <Grid style={{ margin: 0, padding: 0 }}>
                             <GridItem row={1} col={1}>Начало:</GridItem>
                             <GridItem row={1} col={2}>{formatDate(selected.dateStart)}</GridItem>
-                            <GridItem row={1} col={3}>{selected.depthStart?.toFixed(2) ?? '---'}</GridItem>
+                            <GridItem row={1} col={3}>{displayValue(selected.depthStart)}</GridItem>
                             <GridItem row={1} col={4}>м.</GridItem>
                             <GridItem row={2} col={1}>Конец:</GridItem>
                             <GridItem row={2} col={2}>{formatDate(selected.dateEnd)}</GridItem>
-                            <GridItem row={2} col={3}>{selected.depthEnd?.toFixed(2) ?? '---'}</GridItem>
+                            <GridItem row={2} col={3}>{displayValue(selected.depthEnd)}</GridItem>
                             <GridItem row={2} col={4}>м.</GridItem>
                         </Grid>
                     </div>
diff --git a/src/utils/functions/numbers.tsx b/src/utils/functions/numbers.tsx
index c60a46e..6e6ca26 100644
--- a/src/utils/functions/numbers.tsx
+++ b/src/utils/functions/numbers.tsx
@@ -35,7 +35,11 @@ export const makeDisplayValue = ({
     def = '----',
     inf = (v) => `${v < 0 ? '-' : ''}\u221E`,
     fixed = 2
-}: DisplayValueOptions) => (v: unknown): ReactNode => {
+}: DisplayValueOptions = {
+    def: '----',
+    inf: (v) => `${v < 0 ? '-' : ''}\u221E`,
+    fixed: 2
+}) => (v: unknown): ReactNode => {
     if (typeof v === 'undefined' || v === null || String(v) === 'NaN') return def
     let f = Number(v)
     if (typeof v === 'string') {