Electrical
Our Accredited Calibration Services (typical turnaround time 1020 working days):
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Specific Criteria / Service 
Range/Conditions 
Least Uncertainty 
NZ Price (excl GST) 
5.82 (a) Precision resistors, resistance boxes and conductance boxes 
0.1 Ω to 1 Ω (Current ≤ 100 mA) 
0.2 µΩ/Ω 
Please enquire 

1 Ω to 10 kΩ (Power dissipation ≤ 10 mW) 
0.12 µΩ/Ω 
Please enquire 

10 mΩ to 1000 mΩ (Current ≤ 1A) 
25 µΩ/Ω 
Please enquire 

0.1 mΩ to 1000 mΩ (Current = 1 A to 875 A) 
63 R^{0.35} µΩ/Ω, R in mΩ values range from 141 µΩ/Ω to 6 µΩ/Ω 
Please enquire 

0.01 MΩ to 1 MΩ (Applied voltages = 5 V to 100 V) 
0.7 µΩ/Ω 
Please enquire 

0.001 GΩ to 1 GΩ (Applied voltages = 5 V to 100 V) 
(0.7 + 27 R – 20 R^{3}) µΩ/Ω, R in GΩ, values range from 0.7 µΩ/Ω to 8 µΩ/Ω 
Please enquire 

1 MΩ to 5 TΩ (Applied voltages = 100 V to 1000 V) 
(35 + 6.9 x 10^{11} R^{2} + 9.4 µΩ/Ω x 10^{4}R) µΩ/Ω, R in MΩ, values range from 35 µΩ/Ω to 6460 µΩ/Ω 
Please enquire 

0 MΩ to 1 MΩ (frequency, f = 40 Hz to 2 kHz) 
(2000/f + 19 R) µΩ, f in Hz R in Ω, values range from 1 µΩ to 19 Ω 
Please enquire 

0 Ω to 400 Ω (frequency, f = 0.01 Hz to 100 Hz) 
(6 + 0.3 R) µΩ, R in Ω, values range from 6 µΩ to 126 µΩ 
Please enquire 
5.82 (b) Volt ratio boxes and potential dividers 
1 V/V to 1000 V/V (Input voltage ≤ 1100 V, output voltage ≥ 1 V) 
0.4 x 10^{6} 
Please enquire 

0 kV to 50 kV 
3 mV/V 
Please enquire 
5.82 (c) DC shunts 
0.1 mΩ to 1 Ω (Applied current 1 A to 875 A) (Applied voltage 10 mV to 1 V)

63 R^{0.35} µΩ/Ω, R in mΩ values range from 141 µΩ/Ω to 6 µΩ/Ω 
Please enquire 
5.82 (d) AC shunts 
0 Ω to 100 Ω (frequency, f = 40 Hz to 2 kHz) 
(2000/f + 19R) µΩ, f in Hz, R in Ω, values range from 1 µΩ to 1900 µΩ 
Please enquire 

0.2 A to 100 A (frequency, f = 47 Hz to 75 Hz) 
25 µΩ/Ω 
Please enquire 
5.84 (a) Precision capacitors 
0 µF to 100 µF (frequency, f = 40 Hz to 2 kHz) 
(0.2/f + 22C) pF, f in Hz C in µF, values range from 0.0001 pF to 2200 pF 
Please enquire 
5.84 (x) Dissipation Factor 
0 to 0.2 (frequency, f = 40 Hz to 2 kHz) (capacitance, C = 0.5 pF to 100 µF) 
(0.000027 + 0.00027/C) C in pF, values range from 0.00057 to 0.000027 
Please enquire 
5.84 (c) Capacitance potential dividers 
1 kV rms to 35 kV rms (frequency, f = 50 Hz to 3 kHz) 
1 mV/V 
Please enquire 
5.85 (a) Inductors, self and mutual 
0 H to 100 H (frequency, f = 40 Hz to 2 kHz) 
(0.2/f + 14L)H µH, f in Hz L in H, values range from 0.0001 µH to 1400 µH 
Please enquire 
5.85 (x) Equivalent series resistance 
0 Ω to 1 MΩ (frequency, f = 40 Hz to 2 kHz) 
(2000/f + 19R) µΩ, f in Hz R in Ω, values range from 1 µΩ to 19 Ω 
Please enquire 
5.85 (d) Current transformers: protection and measurement 
Primary currents 1 A to 4000 A, ratios 0.2 A/A to 4000 A/A
Ratio error 25 % to 25 % Phase error 36 crad to 36 crad (frequency, f = 50 Hz; secondary currents 1 A, 5 A) 
0.0010 % to 0.13 % 0.0010 crad to 0.18 crad 
Please enquire 
5.86 (b) Electronic emf reference devices 
1 V 1.018 V 10 V 
0.1 µV 0.1 µV 1.5 µV 
Please enquire 
5.87 Transfer Instruments (AC/DC) 
0.002 V to 0.6 V > 0.6 V to 6 V > 6 V to 1000 V (frequency, f = 10 Hz to 1 MHz) 
11 µV/V to 321 µV/V 6 µV/V to 77 µV/V 9 µV/V to 76 µV/V

Please enquire 

1 V and 3 V (frequency, f = 1 MHz to 100 MHz) 
0.16 mV/V to 2.6 mV/V 
Please enquire 

0.1 mA to 0.01 A (frequency, f = 40 Hz to 2 kHz) 
15 µA/A to 38 µA/A 
Please enquire 

0.01 A to 20 A (frequency, f = 40 Hz to 100 kHz) 
15 µA/A to 70 µA/A 
Please enquire 
5.88 (a) DC voltage 
0 V to 12 V 
(0.05 + 0.15U) µV, U in V, values range from 0.05 µV to 1.85 µV 
Please enquire 

12 V to 1100 V 
0.5 µV/V 
Please enquire 
5.88 (b) AC voltage 
0.002 V to 1000 V (frequency, f = 10 Hz to 1 MHz) 
6 µV/V to 650 µV/V 
Please enquire 

1 V and 3 V (frequency, f = 1 MHz to 100 MHz) 
0.3 mV/V to 8 mV/V 
Please enquire 
5.88 (c) DC current 
1 x 10^{11} A to 1 x 10^{5} A 
values range from 5 µA/A to 560 µA/A 
Please enquire 

0.01 mA to 0.1 mA 
5 µA/A 
Please enquire 

>0.1 mA to 1 A 
5 µA/A 
Please enquire 

>1 A to 20 A 
5 I^{0.43} µA/A, I in A, values range from 5 µA/A to 18µA/A 
Please enquire 

20 A to 1000 A 
5 I^{0.43} µA/A, I in A, values range from 18 µA/A to 97 µA/A 
Please enquire 
5.88 (d) AC current 
0.1 mA to 2 A (frequency, f = 40 Hz to 2 kHz) 
35 µA/A to 170 µA/A 
Please enquire 

0.01 A to 100 A (frequency, f = 47 Hz to 75 Hz) 
25 µA/A 
Please enquire 
5.88 (e) Resistance 
0 Ω to 10 Ω 
40 µΩ 
Please enquire 

0.01 kΩ to 1 MΩ 
3 µΩ/Ω 
Please enquire 

1 MΩ to 100 MΩ 
(2 + R^{0}^{.8}) µΩ/Ω, R in MΩ, values range from 3 µΩ/Ω to 42 µΩ/Ω 
Please enquire 
5.88 (f) AC power sources 



Wattmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and PF 1 to 0, inductive or capacitive 



Single phase 0 W to 24000 W 
(40 μW/VA + 6(1PF)), values range from 40 µW/VA to 46 µW/VA 
Please enquire 

Three phase 0 W to 72000 W 
(40 μW/VA + 6(1PF)), values range from 40 µW/VA to 46 µW/VA 
Please enquire 

(The range and uncertainties for star and delta are the same as for singlephase) 


Varmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and QF 1 to 0, inductive or capacitive 



0 W to 24000 W 
(40 μVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 

0 W to 72000 W 
(40 µVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 
5.89 (a) DC voltmeters 
0 V to 0.001 V 
0.05 µV 
Please enquire 

0.001 V to 12 V 
(0.05 + 0.15 U) µV, U in V, values range from 0.05 µV to 1.85 µV 
Please enquire 

12 V to 1100 V 
0.5 µV/V 
Please enquire 
5.89 (b) AC voltmeters 
0.002 V to 1000 V (frequency, f = 10 Hz to 1 MHz) 
9 µV/V to 862 µV/V 
Please enquire 

1 V and 3 V (frequency, f = 1 MHz to 100 MHz) 
0.3 mV/V to 8 mV/V 
Please enquire 
5.89 (c) DC ammeters 
1 x 10^{11 }A to 1 x 10^{5} A 
Values range from 5 µA/A to 560 µA/A 
Please enquire 

0.01 mA to 0.1 mA 
5 µA/A 
Please enquire 

>0.1 mA to 1 A 
5 µA/A 
Please enquire 

>1 A to 20 A 
5 I^{0.43} µA/A, I in A, values range from 5 µA/A to 18µA/A 
Please enquire 

20 A to 875 A 
5 I^{0.43} µA/A, I in A values range from 18 µA/A to 92 µA/A 
Please enquire 
5.89 (d) AC ammeters 
0.1 mA to 2 A (frequency, f = 40 Hz to 2 kHz) 
60 µA/A to 140 µA/A 
Please enquire 

0.2 A to 100 A (frequency, f = 47 Hz to 75 Hz) 
25 µA/A 
Please enquire 
5.89 (e) Wattmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and PF 1 to 0, inductive or capacitive 



Single phase 0 W to 24000 W 
(40 μW/VA+ 6(1PF)), values range from 40 µW/VA to 46 µW/VA 
Please enquire 

Three phase 0 W to 72000 W 
(40 μW/VA + 6(1PF)),values range from 40 µW/VA to 46 µW/VA 
Please enquire 
5.89 (f) Varmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and QF 1 to 0, inductive or capacitive 



0 W to 24000 W 
(40 μVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 

0 W to 72000 W 
(40 µVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 
5.89 (g) Phase angle indicators (source or meter) 
Conditions: Current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, Voltage 0.7 V to 7 V, 42 V to 240 V 



3.14 rad to 3.14 rad 
40 µrad 
Please enquire 
5.89 (h) Power factor meters 
Same conditions, range and uncertainty as 5.89 (g) above 



3.14 rad to 3.14 rad 
40 µrad 
Please enquire 
5.89 (i) Ohmmeters 
0.1 mΩ to 1000 mΩ (applied current 875 A to 1 A) 
63R^{0.35} µΩ, R in mΩ values range from 141 µΩ to 6 µΩ 
Please enquire 

0.1 Ω to 1 Ω 
0.2 µΩ/Ω 
Please enquire 

1 Ω to 10 kΩ 
0.12 µΩ/Ω 
Please enquire 

10 kΩ to 1 GΩ 
(1 + 27R 20R^{3}) µΩ/Ω, R in GΩ, values range from 1 µΩ/Ω to 8 µΩ/Ω 
Please enquire 

1 GΩ to 100 GΩ 
(0.07R^{2} + 22R 15) µΩ/Ω, R in GΩ, values range from 6.9 µΩ/Ω to 1485 µΩ/Ω 
Please enquire 

100 GΩ to 1200 GΩ 
(1300R + 2.2R) µΩ/Ω, R in GΩ, values range from 1520 µΩ/Ω to 3940 µΩ/Ω 
Please enquire 
5.89 (k) Galvanometers and null detectors 
Same range and least uncertainties from 5.89 (a) DC voltmeters 



0 V to 0.001 V 
0.05 µV 
Please enquire 

0.001 V to 12 V 
(0.05 + 0.15 U) µV, U in V, values range from 0.05 µV to 1.85 µV 
Please enquire 

12 V to 1100 V 
0.5 µV/V 
Please enquire 
5.89 (L) Energy Meters 
Same as 5.89 (e) and (f)



Wattmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and PF 1 to 0, inductive or capacitive 



Single phase 0 W to 24000 W 
(40 μW/VA+ 6(1PF)), values range from 40 µW/VA to 46 µW/VA 
Please enquire 

Three phase 0 W to 72000 W 
(40 μW/VA + 6(1PF)), values range from 40 µW/VA to 46 µW/VA 
Please enquire 
Varmeters 
Conditions: Voltage 60 V to 240 V, current 0.01 A to 100 A, frequency 45 Hz to 75 Hz, and QF 1 to 0, inductive or capacitive 



0 W to 24000 W 
(40 μVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 

0 W to 72000 W 
(40 µVar/VA + 90QF), values range from 40 µVar/VA to 130 µVar/VA 
Please enquire 
5.90 (a) DC bridges 
Same as 5.89 (i) Ohmmeters above 



0.1 mΩ to 1000 mΩ (applied current 875 A to 1 A) 
63R^{0.35} µΩ, R in mΩ values range from 141 µΩ to 6 µΩ 
Please enquire 

0.1 Ω to 1 Ω 
0.2 µΩ/Ω 
Please enquire 

1 Ω to 10 kΩ 
0.12 µΩ/Ω 
Please enquire 

10 kΩ to 1 GΩ 
(1 + 27R 20R^{3}) µΩ/Ω, R in GΩ, values range from 1 µΩ/Ω to 8 µΩ/Ω 
Please enquire 

1 GΩ to 100 GΩ 
(0.07R^{2} + 22R 15) µΩ/Ω, R in GΩ, values range from 6.9 µΩ/Ω to 1485 µΩ/Ω 
Please enquire 

100 GΩ to 1200 GΩ 
(1300R + 2.2R) µΩ/Ω, R in GΩ, values range from 1520 µΩ/Ω to 3940 µΩ/Ω 
Please enquire 
DC Bridges for thermometry Resistance Ratio 
0 Ω/Ω to 13 Ω/Ω 
2 x 10^{8 } 
Please enquire 
5.90 (b) DC potentiometers 
Same as 5.89 (a) DC Voltmeters above 



0 V to 0.001 V 
0.05 µV 
Please enquire 

0.001 V to 12 V 
(0.05 + 0.15 U) µV, U in V, values range from 0.05 µV to 1.85 µV 
Please enquire 

12 V to 1100 V 
0.5 µV/V 
Please enquire 
5.90 (c) AC bridges 
0 Ω to 1 MΩ 
(2000/f + 19R) µΩ, f in Hz, R in Ω, values range from 1 µΩ to 19 Ω 
Please enquire 

0 µF to 100 µF 
(0.2/f + 22C) pF, f in Hz, C in µF, values range from 0.0001 pF to 2200 pF 
Please enquire 

0 H to 1 H
(frequency, f = 40 Hz to 2 kHz) 
(0.2/f + 14L) H µH, f in Hz, L in H, values range from 0.0001 µH to 14 µH 
Please enquire 
AC Bridges for thermometry 
0 Ω/Ω to 13 Ω/Ω (frequency, f = 0 Hz to 100 Hz) 
2 x 10^{8} 
Please enquire 
5.90 (f) Current transformer testing sets 
Ratio error: ± (0 to 0.002) ± (0.002 to 0.02) ± (0.02 to 0.2) 
5.0 x 10^{7} to 1.0 x 10^{6} 2.0 x 10^{6} to 8.0 x 10^{6} 2.0 x 10^{5} to 8.0 x 10^{5} 
Please enquire 

Phase error: ± 0 rad to 0.002 rad
± 0.002 rad to 0.02 rad
± 0.02 rad to 0.2 rad

5.0 x 10^{7 }rad to 1.0 x 10^{6} rad 5.0 x 10^{6} rad to 9.0 x 10^{6} rad 5.0 x 10^{5} rad to 9.0 x 10^{5} rad 
Please enquire 
5.90 (g) Voltage transformer testing sets 
Ratio error: ± (0 to 0.002) ± (0.002 to 0.02) ± (0.02 to 0.2) 
5.0 x 10^{7} to 1.0 x 10^{6} 2.0 x 10^{6} to 8.0 x 10^{6} 2.0 x 10^{5} to 8.0 x 10^{5} 
Please enquire 

Phase error: ± 0 rad to 0.002 rad
± 0.002 rad to 0.02 rad
± 0.02 rad to 0.2 rad

5.0 x 10^{7 }rad to 1.0 x 10^{6} rad 5.0 x 10^{6} rad to 9.0 x 10^{6} rad 5.0 x 10^{5} rad to 9.0 x 10^{5} rad 
Please enquire 
5.97 (a) High Voltage Testing DCV 
0 kV to 50 kV 
3 mV/V 
Please enquire 
5.97 (b) High Voltage Testing ACV 
1 kV rms to 35 kV rms (frequency, f = 50 Hz to 3 kHz) 
1 mV/V 
Please enquire 
Note: All calibrations of instruments sent from overseas will be priced on application.
Shipping details:
Measurement Standards Laboratory
Callaghan Innovation
69 Gracefield Road
Lower Hutt 5010
New Zealand
Please be in touch for advice on packing and shipping your equipment to us.
Terms and Conditions:
Prices and typical turnaround times only apply to equipment suitable for calibration using our standard methods and booked in advance.
All other terms and conditions as per our standard work order agreement.
Other IANZaccredited laboratories with similar services:
Link to a table listing the accredited laboratories with services in this area (updated March 2018 [XLSX, 11 KB]).
Full uptodate schedules including detailed measurement capabilities are available from IANZ.(external link)