|
|
/ |4 T& s% t F9 v8 x
Standard(s): Generality No. Year
: v6 D1 G% m$ D0 c* {' c, E1 _DSH
) G8 R7 D# z( e- G; x- t/ N251B
: U2 G2 K( c+ ?- u0 `+ }. E) s2009
5 K7 W0 H" T5 M7 N# V' ]( y$ OCategory: Various
+ f! S' R: i/ b$ z6 I t, j: QSubclause(s): ---: o& S1 I! F/ v0 J
Developed by:
! F+ P* v' x+ r. n% N5 R ?WG4 – WG1
* j! M4 r) X2 M3 K5 rSubject: Measurement accuracy Key words:
1 W6 B$ k+ M6 }( x( ~) @- Measuring range6 v: T( K* u8 i$ v5 s
- Accuracy8 h$ R; L- S3 q* Y; f
- Instrument8 F. C" Z! Z& I6 k+ E' _+ B1 U0 P
Decision confirmed at the 46th
2 b0 E* m& Y& T/ eCTL Plenary Meeting, in 2009
3 g9 M7 s. ^0 p! b+ ~) NInstrument Accuracy Limits
0 \! Q! m v9 _0 fMeasurement values stated in a CB Test Report shall be made with instruments with accuracies within
/ N7 b, K5 o6 l! J! @the limits stated below. These values apply unless more stringent requirements are given in the
. p$ m3 D5 I! x; k1 ireference standard.8 h( T: r6 O4 W, w9 k9 v! \
Parameter Range Instrument accuracy of* o- N3 S& a2 q) N9 t! I
Measuring Range3 c1 b: j" Q' s9 N, h3 c" `2 v
Voltage
3 A4 J: v' M7 g! @/ \- Up to 1000 V up to 1 kHz ± 1,5%
# f: c' p7 @ l" P5 Q! \- u1kHz up to 5 kHz ± 2%
+ ?6 d: c5 s* b/ A5 c, a3 G7 S+ u& ]5 kHz up to 20 kHz ± 3%
0 r6 `$ u4 X3 h! k- ?7 Q20 kHz and above ± 5%
`+ q/ t+ o" _- 1000 V and above dc up to 20 kHz ± 3%9 G4 q5 q: m3 f* v3 R, @! j
20 kHz and above ± 5%! j; v9 C! Y! J3 Z
Current, j7 `) P2 h3 Z$ Q) A$ B4 A' S
Up to 5 A dc up to 60 Hz ± 1,5%" f) `: Q5 l P1 C Z1 Z
60 Hz up to 5 kHz ± 2,5%* ?0 G- R4 [ U' I2 e" Y
5 kHz up to 20 kHz ± 3,5%
4 K+ L N- n. `; A* m20 kHz and above ± 5%
# z4 b9 m3 r. A& @, ~% L# X& ~5 A and above dc up to 5 KHz ± 2,5%
8 @" V: n4 m7 U ]6 i5 kHz up to 20 kHz ± 3,5%
2 J9 T4 f* r# e( q; M. R8 p$ T4 @20 kHz and above ± 5%$ x7 d$ P/ B) ^$ [# X2 D
Leakage current
* x' Q) A0 g, {2 J$ u0 l- up to 30 mA 50/60 Hz ± 3,5%
; R( l! V! X0 C- 30 mA and above 50 Hz - 5 kHz ± 5%. \$ m: T- d3 @/ ^
Power (50/60 Hz) up to 1 W ± 3%
3 ~) o& Q. t" P4 @; y4 P1 W up to 3 kW ± 3%
1 @: D& u, T- Q3 E" V0 G3 kW and above ± 5%
2 Q% k) k+ v: x2 j) @+ D' mPower Factor (50/60 Hz) ± 0,05
, P1 o( i7 U4 J; wFrequency up to 10 kHz ± 0,2%+ E" k, d$ u2 V
Resistance 1 m up to 100 m and above 1 M up to 1 T ± 5%- r$ g6 Q/ B( m- `& H8 N) d! p
above 1 T ± 10%2 T4 j8 M d1 Q, I6 G, {7 _; B
for all other cases ± 3%8 Z* _3 ?4 a" P! Z0 N5 u8 m
Parameter Range Instrument accuracy of. E0 M8 m' m% `3 ~2 }* b8 A
Measuring Range
* w( Q+ R' ?. ?Temperature 1,2
+ {0 v. V8 Y! }& }% |2 {below 100° C ± 2°C
2 K9 M3 \+ ?" {9 e100° C up to 500° C ± 3%
! J' m: n7 h% {* U2 P/ }- 35°C down to – 50°C ± 3°C
, g6 R, G7 ^( u+ u" gTime 10 ms up to 200 ms ± 5%
1 E! a6 h+ X) N$ H& w d200 ms up to 1 s ± 10 ms
7 r9 a3 B, X' K# \6 S1 s and above ± 1%; M1 k! T4 \/ W/ V2 b5 J" g
Linear dimensions up to 1 mm ± 0,05 mm) i0 R* H6 _; x5 \5 v
1 mm up to 25 mm ± 0,1 mm
^3 v# x$ P4 d, P4 T25 mm and above ± 0,5%
0 M% B' Z/ r3 kMass above 10 g and up to 100 g ± 1%
3 s& r5 Y+ ? _" N1 V/ W; x100 g up to 5 kg ± 2%0 k$ ~" C, j: X3 ^) a: `
5 kg and above ± 5%$ ]6 j: c M$ P: R* f
Force for all values ± 6%4 o: V& u% K% y1 Y# o! H; S
Mechanical energy for all values ± 10%6 I; x; W; D- t5 Z" s' \
Torque ± 10%
- P3 j6 J% m# ?7 X( P' H$ vAngles ± 1 degree
1 |* {. n- W( p4 P4 W- `8 P1 o& uRelative humidity 30% to 95% RH ± 6% RH
' ?7 @2 U* H% W# g1 J' sBarometric air pressure ± 10 kPa1 B u4 u+ f. n2 ]
Gas & fluid pressure for static measurement ± 5%
4 R4 K3 E, z6 F. I) Q h1 Thermocouple not included in the Instrument accuracy of measuring range. Thermocouples type “K”,
( k/ `+ E) K5 r/ S$ e; L, g' R“T” and “ J”, premium grade, are recommended.$ B4 o# c0 M% A3 S4 ^4 w' L, A
2 Not for measurements related to relative humidity.
1 a7 H2 W5 R/ ]9 O0 M" C' c6 P' l& w" c
L6 b' D# K8 j3 Q( j4 l" {
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-11-8 21:15
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
发表于 2019-11-17 15:44
