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标题: DSH 251B Measurement accuracy [打印本页]
作者: 小米    时间: 2012-11-8 21:15
标题: DSH 251B Measurement accuracy
DSH 251B
! i# K/ ?1 e5 q# _3 r
, t/ e: n% \5 G! M		Measurement accuracy
& `; Y0 f! X( ?& V6 _& {		N/A
$ ^: X- p* Y- _+ l( g# e6 l* M" ^		Generality* f% z" k* L1 v# x3 a/ s. R" S
* B1 z& u" ]) S# Z6 ^5 d0 w/ b
Standard(s): Generality No. Year1 m( z+ Q. M. |; C6 v
DSH6 D  l  ]) T9 H  v
251B6 D3 J" `: j3 K/ a+ `4 p$ m
2009
# Z7 X8 g" n! n. wCategory: Various+ n7 X- T- {9 Q$ W" F0 s
Subclause(s): ---1 s, Y; m2 _; a# ?
Developed by:# P0 z. f2 Y2 q" q
WG4 – WG17 ~6 R" ^5 s7 ~1 Q1 |
Subject: Measurement accuracy Key words:) a$ R. h9 D* w0 C5 y
- Measuring range2 {( v: b  T% W: g! F" S) Y: }" W
- Accuracy
& Z, `$ V+ O1 |* C' v. s- Instrument3 C. [6 q$ H- ~% ^
Decision confirmed at the 46th
+ Y3 [' Q# T- h' r& S( ICTL Plenary Meeting, in 2009# ~1 b- A1 v/ g
Instrument Accuracy Limits+ N8 A7 `, M' x. [0 Z* u- X1 [
Measurement values stated in a CB Test Report shall be made with instruments with accuracies within8 u9 C0 G2 M% i1 p4 Q" J# B$ }3 n
the limits stated below. These values apply unless more stringent requirements are given in the
$ |% `2 \) I2 j' f' x# g9 Nreference standard.1 [$ ?8 D4 P- V7 i
Parameter Range Instrument accuracy of
) ]# p! i! [: S+ l4 O& V6 cMeasuring Range
& C9 F% ]* I, A9 i8 BVoltage: e% a( p* z9 ]4 Q
- Up to 1000 V up to 1 kHz ± 1,5%: ^, F' S4 D2 x& T( ^& p
1kHz up to 5 kHz ± 2%# c; ^2 P% L) @5 L4 _# n
5 kHz up to 20 kHz ± 3%
2 _+ a7 t! t  j% w: [20 kHz and above ± 5%" h4 d$ G8 ^; @8 A2 |- z6 V
- 1000 V and above dc up to 20 kHz ± 3%0 ^+ v2 w7 J* o9 A& W) I
20 kHz and above ± 5%, v1 a! }( f2 W! l1 f5 H- V
Current# a! [( w% f! \& q' ?
Up to 5 A dc up to 60 Hz ± 1,5%
$ U# Z5 J& Q! P' ^/ L7 P, z60 Hz up to 5 kHz ± 2,5%8 [( n8 o5 o4 |4 R3 d
5 kHz up to 20 kHz ± 3,5%
7 H& D* S: U6 k  N% E& i( U20 kHz and above ± 5%
$ ], L* x: ~8 Y/ J0 ?7 ]: f* [5 A and above dc up to 5 KHz ± 2,5%- I; p) Z9 j2 S* B; D; ^. g3 m
5 kHz up to 20 kHz ± 3,5%
4 Y- v' [7 u: R' k! q/ I' O; D6 G20 kHz and above ± 5%; O% D, [1 j& \
Leakage current
# X; `5 y8 f  D/ |! Y: ?- up to 30 mA 50/60 Hz ± 3,5%
; b7 x: C4 O( F" A7 b; p/ g- 30 mA and above 50 Hz - 5 kHz ± 5%
* f0 ]5 ~+ p% G, f9 d2 KPower (50/60 Hz) up to 1 W ± 3%( {1 G; D' S1 m& a+ M9 G; @: Y4 a
1 W up to 3 kW ± 3%
/ x( ^( I# Z, J3 B# G3 kW and above ± 5%
& Q9 O8 t9 d" Q: ]3 V+ N( cPower Factor (50/60 Hz) ± 0,05; s2 \; X& {# f2 u% q
Frequency up to 10 kHz ± 0,2%
5 u/ D" I2 q. w# P0 w7 N8 \- AResistance 1 m up to 100 m and above 1 M up to 1 T ± 5%
1 {% `& M) s! O8 \6 Vabove 1 T ± 10%
1 K; B9 @0 g. o- Afor all other cases ± 3%; C* Y6 S, C4 G/ L$ F* z) z
Parameter Range Instrument accuracy of
5 n/ T) u! I. ^  aMeasuring Range, S1 W( o4 A5 c5 M/ \2 t
Temperature 1,2
8 j" R; X+ h) I& S/ `below 100° C ± 2°C5 K2 z3 J& w# U, M
100° C up to 500° C ± 3%* w, D; d0 x* B
- 35°C down to – 50°C ± 3°C  B; A) \- l$ ]; l/ [3 p$ C8 q
Time 10 ms up to 200 ms ± 5%9 V% J, m1 z! |6 G; z- M1 N% B/ @+ g
200 ms up to 1 s ± 10 ms
' e0 X6 W5 j8 v$ b- l+ b1 s and above ± 1%
8 w) o: x- I# T) J- ~; |Linear dimensions up to 1 mm ± 0,05 mm; ]0 S1 h+ X. C
1 mm up to 25 mm ± 0,1 mm/ R$ K/ N0 m! j' [9 s
25 mm and above ± 0,5%
, d( T. Z5 `1 S2 D0 R5 w: f+ [Mass above 10 g and up to 100 g ± 1%
8 V3 S$ k, ?* U100 g up to 5 kg ± 2%
8 |  T+ e: v9 ~* ^1 v$ \5 kg and above ± 5%
' C: q: t3 O8 iForce for all values ± 6%* G- r4 }: y" g9 h2 u, {6 ]! s
Mechanical energy for all values ± 10%) e5 U6 n, Z, d6 p) C" K3 E
Torque ± 10%7 o; R. E1 g8 K- p) u' m
Angles ± 1 degree; P. N) \8 F8 o( ?& K- M! X. H
Relative humidity 30% to 95% RH ± 6% RH6 F* ?7 t; ]0 G8 b7 C
Barometric air pressure ± 10 kPa. w, M$ Z! x" M$ s5 a6 b
Gas & fluid pressure for static measurement ± 5%
* ~' V1 D' I9 X# X- i9 z8 Q1 Thermocouple not included in the Instrument accuracy of measuring range. Thermocouples type “K”,
8 w. m6 C% ^7 ], k( Q% I$ l“T” and “ J”, premium grade, are recommended.
' X# O! Y5 S* p7 Z8 d) q2 Not for measurements related to relative humidity.
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作者: ljbxki    时间: 2013-5-9 23:03
好东西！
作者: dengwx    时间: 2014-5-5 09:17
官网下不了，只能花8个金币了，好东西，谢了！
作者: plmijb    时间: 2014-6-4 10:44
本帖最后由 plmijb 于 2014-6-4 10:46 编辑 * w0 c6 D1 x% z; n; \

( g4 u6 E* e' y1 u/ C; ], U现在的新版本是CTL-251C
作者: liujy611    时间: 2019-11-17 15:44
筹备CNAS，正需要这个



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