detailed specifications |
general |
display:1999 digit lcd |
display with special symbols, digit height 25 mm, fluorescent backlight |
user interface |
instant measurement through turn and start one button concept. the only operating elements are rotary switch and start button |
robust, water and dust resistant |
instrument is designed for tough environmental conditions (rubber protective cover, ip56) |
memory |
internal memory storage up to 1500 records accessible via usb port |
temperature range |
operating temperature |
-10 °c to 50 °c (14 °f to 122 °f) |
storage temperature |
-30 °c to 60 °c (-22 °f to 140 °f) |
temperature coefficient |
± 0.1 % of reading/°c <18 °c >28 °c |
intrinsic error |
refers to the reference temperature range and is guaranteed for 1 year |
operating error |
refers to the operating temperature range and is guaranteed for 1 year |
climatic class |
c1 (iec 654-1), -5 °c to +45 °c (23° to +115° f), 5 % to 95 % rh |
protective type |
ip56 for case, ip40 for battery door according to en60529 |
safety |
protection by double and/or reinforced insulation. max. 50 v to earth. iec61010-1: pollution degree 2 |
emc (emission immunity) |
iec61326-1: portable |
quality system |
developed, designed and manufactured according to din iso 9001 |
external voltage |
v ext, max = 24 v (dc, ac < 400 hz), measurement inhibited for higher values |
v ext rejection |
> 120 db (162⁄3, 50, 60, 400 hz) |
卡塔尔世界杯中国足球赛事 time |
typical 6 seconds |
max. overload |
250 v rms (pertains to misuse) |
auxiliary power |
6 x 1.5 v alkaline (type aa lr6) |
battery life span |
typical > 3,000 measurements |
dimensions (wxhxd) |
250 mm x 133 mm x 187 mm (9.75 in x 5.25 in x 7.35 in) |
weight |
1.1 kg (2.43 lb) including batteries 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case |
ra 3-pole ground resistance measurement (iec 1557-5) |
switch position |
ra3-pole |
resolution |
0.001 ω to 10 ω |
卡塔尔世界杯中国足球赛事 range |
0.020 ω to 19.99 kω |
accuracy |
± (2 % rdg + 3 d) |
operating error |
± (5 % rdg + 3 d) |
卡塔尔世界杯中国足球赛事 principle: current and voltage measurement |
卡塔尔世界杯中国足球赛事 voltage |
vm = 48 v ac |
short-circuit current |
> 50 ma |
measure frequency |
128 hz |
probe resistance (rs) |
max 100 kω |
auxiliary earth electrode resistance (rh) |
max 100 kω |
additional error from rhand rs |
rh[kω]•••rs[kω]/ra[ω]•••0.2 % |
monitoring of rsand rhwith error indicator. automatic range selection. measurement is not performed if the current through the current clamp is too low. |
ra4-pole ground resistance measurement (iec 1557-5) |
switch position |
ra4-pole |
resolution |
0.001 ω to 10 ω |
卡塔尔世界杯中国足球赛事 range |
0.020 ω to 19.99 kω |
accuracy |
± (2 % rdg + 3 d) |
operating error |
± (5 % rdg + 3 d) |
卡塔尔世界杯中国足球赛事 principle: current and voltage measurement |
卡塔尔世界杯中国足球赛事 voltage |
vm = 48 v ac |
short-circuit current |
> 50 ma |
measure frequency |
128 hz |
probe resistance (rs +res) |
max 100 kω |
auxiliary earth electrode resistance (rh) |
max 100 kω |
additional error from rhand rs |
rh[kω]•••rs[kω]/ra[ω]•••0.2 % |
monitoring of rsand rhwith error indicator. automatic range selection. |
ra 3-pole selective ground resistance measurement with current clamp (rawith clamp ) |
switch position |
ra3-pole with clamp |
resolution |
0.001 ω to 10 ω |
卡塔尔世界杯中国足球赛事 range |
0.020 ω to 19.99 kω |
accuracy |
± (7 % rdg + 3 d) |
operating error |
± (10 % rdg + 5 d) |
卡塔尔世界杯中国足球赛事 principle: current/voltage measurement (with external current clamp) |
卡塔尔世界杯中国足球赛事 voltage |
vm = 48 v ac |
short-circuit current |
> 50 ma |
measure frequency |
128 hz |
probe resistance (rs) |
max 100 kω |
auxiliary earth electrode resistance (rh) |
max 100 kω |
monitoring of rsand rhwith error indicator. automatic range selection. measurement is not performed if the current through the current clamp is too low. |
ra 4-pole selective ground resistance measurement with current clamp (rawith clamp ) |
switch position |
ra4-pole with clamp |
resolution |
0.001 ω to 10 ω |
卡塔尔世界杯中国足球赛事 range |
0.020 ω to 19.99 kω |
accuracy |
± (7 % rdg + 3 d) |
operating error |
± (10 % rdg + 5 d) |
卡塔尔世界杯中国足球赛事 principle: current/voltage measurement (with external current clamp) |
卡塔尔世界杯中国足球赛事 voltage |
vm = 48 v ac |
short-circuit current |
> 50 ma |
measure frequency |
128 hz |
probe resistance (rs) |
max 100 kω |
auxiliary earth electrode resistance (rh) |
max 100 kω |
monitoring of rsand rhwith error indicator. automatic range selection. measurement is not performed if the current through the current clamp is too low. |
stakeless ground loop measurement (2 clamps ) |
switch position |
ra4-pole 2 clamps |
resolution |
0.001 ω to 10 ω |
卡塔尔世界杯中国足球赛事 range |
0.020 ω to 19.99 kω |
accuracy |
± (7 % rdg + 3 d) |
operating error |
± (10 % rdg + 5 d) |
卡塔尔世界杯中国足球赛事 principle: stakeless measurement of resistance in closed loops using two current transformers |
卡塔尔世界杯中国足球赛事 voltage |
vm = 48 v ac |
measure frequency |
128 hz |
noise current (iext) |
max. iext= 10 a (ac) (ra< 20 ω) |
max. iext= 2 a (ac) (ra> 20 ω) |
automatic range selection. the information regarding stakeless ground loop measurements is only valid when used in conjunction with the recommended current clamps at the minimum distance specified. |