HT Instruments MACROEVTEST Professional Installation Safety Tester
Sònrachaidhean ELECTRICAL
- Accuracy is indicated as ± (% readings + no. of digits*resolution) at 23°C ± 5°C, <80%RH
Voltage (RCD, LOOP, Phase sequence)
Raon [V] | Fuasgladh [V] | Cruinneas |
15 gu 460 | 1 | ±(3.0% rdg + 2dgt) |
Tricead
Raon [Hz] | Rùn [Hz] | Cruinneas |
47.0 gu 63.6 | 0.1 | ±(0.1% rdg + 1dgt) |
Continuity test on protective and equalizing conductors
Raon [WΩ] | Resolution [Ω] | Cruinneas (*) |
0.01 gu 99.99 | 0.01 | ±(5.0%rdg + 3dgt) |
(*) calibrate the cables to null their resistance
- Test current: > 200mA DC for R≤5Ω (calibration included) ; Resolution for DC current :1mA
- Open-circuit voltage: 4V ≤ V0 ≤ 12V
Frith-aghaidh insulation (DC voltage)
Deuchainn voltage[V] | Range [MΩ] | Resolution [MΩ] | Cruinneas |
50 |
0.01 gu 9.99 | 0.01 | ±(2.0%rdg + 2dgt) |
10.0 gu 49.9 | 0.1 | ||
50.0 gu 99.9 | 0.1 | ±(5.0%rdg + 2dgt) | |
100 |
0.01 gu 9.99 | 0.01 | ±(2.0%rdg + 2dgt) |
10.0 gu 99.9 | 0.1 | ||
100.0 gu 199.9 | 0.1 | ±(5.0%rdg + 2dgt) | |
250 |
0.01 gu 9.99 | 0.01 | ±(2.0%rdg + 2dgt) |
10.0 gu 99.9 | 0.1 | ||
100 gu 499 | 1 | ±(5.0%rdg + 2dgt) | |
500 |
0.01 gu 9.99 | 0.01 |
±(2.0%rdg + 2dgt) |
10.0 gu 199.9 | 0.1 | ||
200 gu 499 | 1 | ||
500 gu 999 | 1 | ±(5.0%rdg + 2dgt) | |
1000 |
0.01 gu 9.99 | 0.01 |
±(2.0%rdg + 2dgt) |
10.0 gu 199.9 | 0.1 | ||
200 gu 999 | 1 | ||
1000 obh
1999 |
1 | ±(5.0%rdg + 2dgt) |
- Open-circuit voltage: nominal test voltage –0% +10%
- Short circuit current: <6.0mA at 500V test voltage
- Nominal test current: >1mA if load= 1kΩ*Vnom (Vnom=50V, 100V, 250V, 500V, 1000V)
- Safety protection: the display shows an error message for input voltage> 10V
Loidhne Z (Loidhne-Loidhne, Loidhne-Neodrach, Loidhne-PE)
Range [Ω] | Fuasgladh [Ω] | Cruinneas |
0.00 ¸ 199.9 mΩ (*) | 0.1 mΩ (*) | ±(5.0% rdg + 1mΩ) (*) |
200 ¸ 1999 mΩ (*) | 1 mΩ (*) | |
0.01¸9.99 Ω | 0.01 Ω | ±(5.0% rdg + 3dgt) |
10.0¸199.9 Ω | 0.1 Ω |
(*) By means of the IMP57 optional accessory
- An sruth deuchainn as àirde: 5.81A (at 265V); 10.10A (at 457V)
- Deuchainn voltage raointean: 100÷265V (Line-Neutral) / 100÷460V (Line-Line); 50/60Hz ± 5%
- Seòrsa dìon: MCB (B, C, D, K), Fuse (gG, aM)
- Stuthan insulation: PVC, Rubber butyl, EPR, XLPE
A’ chiad sruth locht (siostaman IT)
Raon (mA) | Rùn (mA) | Cruinneas |
0.1¸0.9 | 0.1 | ±(5.0% rdg + 1dgt) |
1¸999 | 1 | ±(5.0% rdg + 3dgt) |
- Cuir crìoch air conaltradh voltage (ULIM) : 25V, 50V
Deuchainn RCD (Seòrsa cùis mhúnlaichte)
- RCD type: AC (
), A (
), B(
) – General (G), Selective (S) and Delayed (
)
- Rated tripping currents (I
N):: 6mA, 10mA, 30mA, 100mA, 300mA, 500mA, 650mA, 1000mA
- Loidhne-PE, Loidhne-N voltage: 100V÷ 265V RCD type AC and A, 190V÷ 265V RCD type B
- Frequency: 50/60Hz ± 5%
RCD tripping current (Molded case type – RCD General)
Seòrsa RCD | I![]() |
Raon I![]() |
Rùn [mA] | Accuracy I![]() |
AC, A, B | 6mA, 10mA |
(0.2 ÷1.1) I |
£ 0.1 I |
– 0%, +10%I![]() |
AC, A, B | 30mA ≤I![]() |
– 0%, +5%I![]() |
||
AC, A | 500mA ≤I![]() |
RCD molded-type tripping time range [ms] (TT/TN system)
x 1/2 | x 1 | x 2 | x 5 | AUTO | ![]() |
FÈIN-GHNÌOMHACH+![]() |
||||||||||||||||
\ | G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
|
6mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
|||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
||||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | |||||||||||||||
10mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
|||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
||||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | |||||||||||||||
30mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
|||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
||||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | |||||||||||||||
100mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ||||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | |||||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | |||||||||||||||
300mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ||||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | |||||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | |||||||||||||||
500mA
650mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ||||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 310 | |||||||||||||
B | ||||||||||||||||||||||
1000mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | |||||||||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | ||||||||||||||||
B |
Resolution: 1ms, Accuracy: ±(2.0%rdg + 2dgt)
RCD Molded type tripping time range [ms] (IT system)
x 1/2 | x 1 | x 2 | x 5 | AUTO | ![]() |
FÈIN-GHNÌOMHACH+![]() |
||||||||||||||||
\ | G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
|
6mA 10mA
30mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ![]() |
|||||||
A | ||||||||||||||||||||||
B | ||||||||||||||||||||||
100mA
300mA 500mA 650mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | 50 | 150 | ![]() |
![]() |
310 | ||||||||
A | ||||||||||||||||||||||
B | ||||||||||||||||||||||
1000mA |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 160 | 210 | |||||||||||||
A | ||||||||||||||||||||||
B |
- Fuasgladh: 1ms, Accuracy: ± (2.0%rdg + 2dgt)
Deuchainn air RCDan deuchainn dàil aodion talmhainn (le goireas roghainneil RCDX10)
- Seòrsa RCD: AC (
), A (
), B(
) – General (G), Selective (S) and Delayed ( )
- Rated tripping currents (I
N): 0.3A gu 10A
- Loidhne-PE, Loidhne-N voltage: 100V÷ 265V RCD type AC and A, 190V÷265V RCD type B
- Tricead: 50/60Hz ± 5%
Neach-deuchainn dàil aodion talmhainn sruth-tharraing RCDn (RCD Coitcheann)
Seòrsa RCD | IDN | Raon IDN [mA] | Rùn [mA] | Accuracy IDN |
AC, A, B | 300mA ≤IDN £1A | (0.3 ÷ 1.1) IDN | ≤ 0.1i![]() |
– 0%, +5%I![]() |
AC, A | 1.1A ≤IDN £10A |
Raon ùine briseadh a-mach RCDan deuchainn dàil aodion talmhainn [ms] (siostam TT/TN)
x 1/2 | x 1 | x 2 | x 5 | AUTO | ![]() |
FÈIN-GHNÌOMHACH+![]() |
|||||||||||||
\ | G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
G | S | ![]() |
|
0.3A
÷ 1.0A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | |||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | ||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | 310 | ||||||||||||
1.1A
÷ 3.0A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | |||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | ||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | |||||||||||||
3.1A
÷ 6.5A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | |||||
A | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | ||||||
B | 999 | 999 | 999 | 999 | 999 | 999 | |||||||||||||
6.6A
÷ 10.0A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | ||||||||||
A | 999 | 999 | 999 | 999 | 999 | 999 | |||||||||||||
B |
Fuasgladh: 1ms, Accuracy: ±(2.0%rdg + 2dgt)
Earth leakage delay tester RCDs trip out time range [ms] (IT system)
x 1/2 | x 1 | x 2 | x 5 | AUTO | |||||||||||||||
\ | G | S | G | S | G | S | G | S | G | S | G | S | |||||||
0.3A
÷ 3.0A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | |||||
A | |||||||||||||||||||
B | |||||||||||||||||||
3.1A
÷ 6.5A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | 50 | 150 | ![]() |
![]() |
310 | |||||
A | |||||||||||||||||||
B | |||||||||||||||||||
6.6A
÷ 10.0A |
AC | 999 | 999 | 999 | 999 | 999 | 999 | 200 | 250 | ||||||||||
A | |||||||||||||||||||
B |
Fuasgladh: 1ms, Accuracy: ±(2.0rdg + 2dgt)
NoTripTest – Non-trip earth loop impedance
- Deuchainn voltage: 100÷265V (Line-PE), 50/60Hz ± 5%
NoTripTest – Systems with Neutral wire
Raon [Ω] | Fuasgladh [Ω] | Cruinneas (*) |
0.01 ÷ 9.99 | 0.01 | ±(5% reading + N/10) |
10.0 gu 199.9 | 0.1 | ±(5% reading + N) |
200 gu 1999 | 1 | ±(5% reading + 3N) |
- Ma tha mi
N <30mA, test current = I
N/2 and N[Ω]=30/I
N Ω; if I
N ≥ 30mA, test current <15mA and N=1Ω
NoTripTest – Systems without Neutral wire
Raon [Ω] | Fuasgladh [Ω] | Cruinneas (*) |
1 gu 1999 | 1 | -0%, +(5.0% lettura +N) |
Cuir fios gu voltage (RCD agus NoTripTest) | ||
Raon [V] | Fuasgladh [V] | Cruinneas |
0 ÷ Utlim | 0.1 | -0%, +(5.0% rdg + 3V) |
Cuir fios gu voltage (EARTH test – TT system) | ||
Raon [V] | Fuasgladh [V] | Cruinneas |
0 gu 99.9 | 0.1 | -0%, +(5.0% rdg + 3V) |
Cuir fios gu voltage (EARTH test – TN system) | ||
Raon [V] | Fuasgladh [V] | Cruinneas |
0 gu 99.9 | 0.1 | -0%, +(5.0% rdg + 3V) |
100 gu 999 | 1 |
Frith-aghaidh talmhainn leis an dòigh 3-uèir | ||
Raon [Ω] | Fuasgladh [Ω] | Cruinneas (*) |
0.01 gu 9.99 | 0.01 |
±(5.0% rdg + 3dgt) |
10.0 gu 99.9 | 0.1 | |
100 gu 999 | 1 | |
1.00k agus 49.99k | 0.01k |
- Test current: <10mA – 77.5Hz, Open-circuit voltage: < 20Vrms
- (*) Cuir 5% ris a’ chruinneas ma tha strì an t-sùla (Rs no Rh) > 100 x Rmeas
Frith-sheasmhachd na h-ùire le modh 4-uèir Wenner | ||
Raon [Ωm] | Fuasgladh [Ωm] | Cruinneas (*) |
0.06 gu 9.99 | 0.01 |
±(5.0% rdg + 3dgt) |
10.0 gu 99.9 | 0.1 | |
100 gu 999 | 1 | |
1.00k agus 9.99k | 0.01k | |
10.0k agus 99.9k | 0.1k | |
100k agus 999k | 1k | |
1.00M ÷ 3.14M | 0.01m |
(*) with distance d=10m, Distance “d” range: 1 ÷ 10m
Test current: <10mA – 77.5Hz, Open-circuit voltage: < 20Vrms
Cuairteachadh sreath ìrean leis an dòigh 1-uèir | |
Voltagraon PN, P-PE[V] | Raon tricead |
100 gu 265 | 50Hz/60Hz ± 5% |
Chan eil tomhas air a dhèanamh ach le conaltradh dìreach ri pàirtean beò meatailt (chan ann air còmhdach inslitheachaidh)
Voltage drop on main power lines (DV%) | ||
Raon (%) | Rùn (%) | Cruinneas |
0 gu 100 | 0.1 | ±(10.0% rdg + 4dgt) |
Sruth aodion (le HT96U roghainneil clamp inneal-tionndaidh) | ||
Raon [mA] | Rùn [mA] | Cruinneas |
0.5 gu 999.9 | 0.1 | ±(5.0% rdg + 2dgt) |
Paramadairean àrainneachdail (gnìomh AUX) | |||
Paramadair | Raon | Fuasgladh | Cruinneas |
Teòthachd [°C] | -20 ° C ¸ 80 ° C | 0.1°C |
±(2.0%rdg+2dgt) |
Teòthachd [°F] | -4°F ¸ 176°F | 0.1 °F | |
Taiseachd coimeasach [%HR] | 0 ¸ 100%HR | 0.1% UR | |
Toradh DC voltage | 0.1mV ¸ 1.0V | 0.1 mV | |
Soilleireachd [Lux] |
0.001Lux ¸ 20.00 Lux (*) | 0.001 ¸ 0.02 Lux | |
0.1 Lux ¸ 2000 Lux (*) | 0.1 ¸ 2 Lux | ||
1 Lux ¸ 20 kLux (*) | 1 ¸ 20 Lux |
- (*) Tha cruinneas probe sòghail HT53 a rèir Clas AA
Tomhas nam prìomh pharaimeatairean agus nan co-sheirmean (PQA)
AC TRMS Voltage
Raon [V] | Fuasgladh [V] | Cruinneas |
15.0 gu 459.9 | 0.1V | ±(1.0%rdg + 1dgt) |
- Allowed crest factor ≤ 1,5 ; Frequency: 42.5 ÷ 69.0 Hz
Tricead
Raon [Hz] | Rùn [Hz] | Cruinneas |
42.5 gu 69.0 | 0.01 | ±(2.0%rdg + 2dgt) |
- Ceadaichte voltage: 15.0 ÷ 459.9V ; Allowed current: 5%FS clamp ÷ FS clamp
AC TRMS an-dràsta
FS clamp | Raon [A] | Fuasgladh [A] | Cruinneas |
≤ 10A | 5% FS ÷ 9.99 | 0.01 | 1Ph: ±(1.0%rdg + 3 dgt) 3Ph: ±(2.0%rdg + 5 dgt) |
10A ≤ FS ≤ 200 | 5% FS ÷ 199.9 | 0.1 | |
200A ≤ FS ≤ 3000 | 5% FS ÷ 2999 | 1 |
- Range: 5 ÷ 999.9 mV; Values under 5mV are zeroed
- Allowed crest factor ≤ 3; Frequency: 42.5 ÷ 69.0 Hz
Active power (@ 230V in 1Ph systems, 400V in 3Ph systems, cosθ=1, f=50.0Hz)
FS clamp | Raon [kW] | Rùn [kW] | Cruinneas |
≤10a | 0.000 gu 9.999 | 0.001 |
1Ph: ±(2.0%rdg + 5 dgt) 3Ph: ±(2.5%rdg + 8 dgt) |
10A ≤ FS ≤ 200 | 0.00 gu 999.99 | 0.01 | |
200A ≤ FS ≤ 1000 | 0.0 gu 999.9 | 0.1 | |
1000A ≤ FS ≤ 3000 | 0 gu 9999 | 1 |
Reactive power (@ 230V in 1Ph systems, 400V in 3Ph systems, cosθ=0, f=50.0Hz)
FS clamp | Raon [kVAr] | Rùn [kVAr] | Cruinneas |
≤ 10A | 0.000 gu 9.999 | 0.001 |
1Ph: ±(2.0%rdg + 7 dgt) 3Ph: ±(3.0%rdg + 8 dgt) |
10A ≤ FS ≤ 200 | 0.00 gu 999.99 | 0.01 | |
200A ≤ FS ≤ 1000 | 0.0 gu 999.9 | 0.1 | |
1000A ≤ FS ≤ 3000 | 0 gu 9999 | 1 |
Factar cumhachd (@ 230V ann an siostaman 1Ph, 400V ann an siostaman 3Ph, f=50.0Hz)
Raon | Fuasgladh | Cruinneas |
0.70c ¸ 1.00 ¸ 0.70i | 0.01 | ±(4.0%rdg + 10dgt) if I £ 10%FS
±(2.0%rdg + 3dgt) if I > 10%FS |
cosθ (@ 230V in 1Ph systems, 400V in 3Ph systems, f=50.0Hz)
Raon | Fuasgladh | Cruinneas |
0.70c ÷ 1.00 ÷ 0.70i | 0.01 | ±(4.0%rdg + 10dgt) if I £ 10%FS
±(1.0%rdg + 7dgt) if I > 10%FS |
Voltagco-sheirmean e (@ 230V ann an siostaman 1Ph, 400V ann an siostaman 3Ph, f=50.0Hz)
Raon [%] | Rùn [%] | Òrdugh | Cruinneas |
0.1 gu 100.0 | 0.1 | 01 gu 25 | ±(5.0%rdg + 5dgt) |
- Frequency of fundamental: 42.5 ÷ 69.0 Hz, DC accuracy not declared
Co-sheirmean gnàthach (f=50Hz)
Raon [%] | Rùn [%] | Òrdugh | Cruinneas |
0.1¸100.0 |
0.1 |
01 gu 9 | ±(5.0%rdg + 5dgt) |
10 gu 17 | ±(10.0%rdg + 5dgt) | ||
18 gu 25 | ±(15.0%rdg + 10dgt) |
Sònrachaidhean coitcheann
TAISBEANADH AGUS MOLADH
- Feartan: Touch screen, color graphic LCD, 320x240mm
- Cuimhne: 999 locations, 3 marker levels
- Conaltradh: Optical-USB and built-in WiFi
SOLAR CUMHACHD
- Batteries: 6 x 1.2V(rechargeable) type AA or 6 x 1.5V type AA
- Battery life: > 500 test for each funtions
- Auto Power OFF: after 5 min of idleness (disabled)
FEARTAN MHIC CHEUDNA
- Meudan (L x W x H): 225 x 165 x 75mm
- Weight (included batteries): 1.2kg
WORKING ENVIRONMENTAL CONDITIONS
- Teòthachd iomraidh: 23 ° C ± 5°C
- Working temperature: 0°C ÷ 40°C
- Taiseachd coimeasach: <80% RH
- Storage temperature: -10°C ÷ 60°C
- Taiseachd stòraidh: <80% RH
TEST VERIFIES REFERENCE STANDARDS
- Continuity test with 200mA: IEC/EN61557-4
- Insulation resistance: IEC/EN61557-2
- Earth resistance: IEC/EN61557-5
- Fault loop impedance: IEC/EN61557-3
- RCD test: IEC/EN61557-6
- Phase sequence: IEC/EN61557-7
- Multifunction: IEC/EN61557-10
- Prospective short circuit current: EN60909-0
- Earth resistance on TN systems: EN61936-1 + EN50522
- Test on EVSE devices: IEC/EN61851-1, IEC/EN60364-7-722 (with EV-TEST100)
GENERAL REFERENCE STANDARDS
- Safety of measuring instruments: IEC/EN61010-1, IEC/EN61010-031, IEC/EN61010-2-032
- Product type standardIEC/EN61557-1
- Sgrìobhainnean teicnigeach: IEC / EN61187
- Insaladh: double insulation
- Ìre truailleadhaig: 2
- Encapsulation: IP40
- Overvoltage roinn-seòrsa: CAT IV 300V∼ (to ground), max 415V between inputs
- An àirde cleachdaidh as àirde:2000m
Tha an ionnstramaid seo a’ coinneachadh ri riatanasan Ìosal Voltage Stiùireadh 2014/35/EU (LVD) agus Stiùireadh EMC 2014/35/EU Tha an ionnstramaid seo a’ coinneachadh ri riatanasan Stiùireadh Eòrpach 2011/65/EU (RoHS) agus 2012/19/EU (WEEE)
- Rivium 2e straat 12 2909 LG Capelle a/d IJssel
- T: 010-2 888 OOO
- F: 010-2 888 010
- verkoop@euro-index.nl
- www.euro-index.nl
Ceistean Cumanta
Q: What should I do if the tester displays an error message for input voltage?
A: Ma tha an cuir a-steach voltage exceeds 10V, disconnect the tester immediately to prevent damage and ensure safety.
Q: How do I select the appropriate test voltage range for insulation resistance testing?
A: Refer to the insulation materials used and choose the corresponding test voltage range as per the specifications provided.
Q: What are the recommended safety protections for conducting electrical tests?
A: Use MCB (B, C, D, K) or Fuse (gG, aM) as safety protection measures during testing to prevent electrical hazards.
Sgrìobhainnean/Goireasan
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