MicSig MOIPO SigOFIT Gen3 Optical-Fiber Isolated Probes

MicSig MOIPO SigOFIT Gen3 Optical-Fiber Isolated Probes

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MicSig MOIPO SigOFIT Gen3 Optical-Fiber Isolated Probes

The Micsig MOIP series consists of third-generation optically isolated oscilloscope probes. It offers a bandwidth range from 200 MHz to 1 GHz and supports differential measurements from ±0.01 V to ±20 kV. Based on Micsig SigOFIT technology, the MOIP series offers an exceptionally high CMRR of up to 128 dB at 100 MHz, an isolation voltage of up to 85 kV, and an extremely low noise level of less than 0.3 mV_RMS. The probes reproduce signal details across their entire bandwidth range and serve as the ultimate benchmark for verifying the accuracy of signals measured with other voltage probes.

Automatic calibration: Ready for measurement upon power-on, no manual calibration required.
Complete electrical isolation with isolation voltage up to 85 kV.
Ultra-high common-mode rejection ratio (up to 180 dB).
High-speed response for accurate and reliable high-frequency signal measurement.
Low noise and strong immunity to electromagnetic interference.
DC gain accuracy better than 1%.
Fiber length: 2 m (customizable fiber length available).
Compatible with various attenuators, supporting measurement from ±0.01 V to ±20 kV (differential-mode signals; measurement voltage range is customizable).

Probe Model Overview

Model	MOIP1000P	MOIP500P	MOIP350P	MOIP200P
Bandwidth	1 GHz	500 MHz	50 MHz	200 MHz
Rise time	≤450 ps	≤800 ps	≤1 ns	≤1.75 ns
CMRR	DC: 180 dB 1 GHz: 108 dB	DC: 180 dB 500 MHz: 114 dB	DC: 180 dB 350 MHz: 118 dB	DC: 180 dB 200 MHz: 122 dB
Differential voltage range	Standard: OP50(MMCX), ±25 V OP5000(MCX), ±2500 V Other test ranges: customizable	Standard: OP50(MMCX), ±25 V OP5000(MCX), ±2500 V Other test ranges: customizable	Standard: OP50(MMCX), ±25 V OP5000(MCX), ±2500 V Other test ranges: customizable	Standard: OP50(MMCX), ±25 V Other test ranges: customizable
Noise	<0.3 mV_RMS
DC gain accuracy	1%
Common mode voltage range	85 kV_peak
Power supply	12 VDC
Optical/fiber cable length	2 m (customizable)
Interface	Universal BNC
Optical-electrical (O-E) converter size (cm)	9.8 x 4.5 x 2.3
Electrical–optical (E-O) converter size (cm)	11 x 4 x 2.4

Probe Connector Overview

Attenuator		Characteristics
1	Standard model attenuator	SigOFIT probe can be used with different attenuator tips to test differential mode signals from ±0.01 V to ±20 kV. Test voltage range are customizable
2	Ultra-high voltage attenuator	Supports up to 20 kV_peak high-voltage input and a 200 MHz bandwidth limit, enabling high-voltage signal measurement, equipment protection, and high-energy testing
3	Continuous RF ultra-high-voltage attenuator	Maximum supported voltage: 5 kV, frequency range: 300 kHz...50 MHz, accuracy: 1%, no heating or breakdown
4	Long type attenuator (typical 1 M)	1 m extended attenuator, suitable for applications with limited internal equipment space or longer signal transmission distances
5	SMA adaptor	SMA direct connection to the optical isolation probe, with 2x~ attenuation, for low-level signal measurement

Attenuator Model Overview

Model	Jack type	Attenuation ratio	Voltage range	Non-destructive voltage (max.)	Input impedance
OP20-3	MMCX	20:1 at 0 dB	±10 V	1000 V_peak	4.47 MΩ \|\| ≤4 pF
		2:1 at 20 dB	±1 V
OP50-3	MMCX	50:1 at 0 dB	±25 V	1000 V_peak	4.19 MΩ \|\| ≤2 pF
		5:1 at 20 dB	±2.5 V
OP100-3	MMCX	100:1 at 0 dB	±50 V	1000 V_peak	4.10 MΩ \|\| ≤2 pF
		10:1 at 20 dB	±5 V
OP1000-3	MCX	1000:1 at 0 dB	±500 V	2500 V_peak	20.94 MΩ \|\| ≤1 pF
		100:1 at 20 dB	±50 V
OP2000-3	MCX	2000:1 at 0 dB	±1000 V	2500 V_peak	20.52 MΩ \|\| ≤1 pF
		200:1 at 20 dB	±100 V
OP5000-3	MCX	5000:1 at 0 dB	±2500 V	2500 V_peak	40.82 MΩ \|\| ≤1 pF
		500:1 at 20 dB	±250 V
OP10000-3	LCX	10000:1 at 0 dB	±5000 V	8000 V_peak	40.82 MΩ \|\| ≤1 pF
		1000:1 at 20 dB	±500 V
OP20-5	MMCX	20:1 at 0 dB	±10 V	1000 V_peak	4.47 MΩ \|\| ≤4 pF
		2:1 at 20 dB	±1 V
OP50-5	MMCX	50:1 at 0 dB	±25 V	1000 V_peak	4.19 MΩ \|\| ≤2 pF
		5:1 at 20 dB	±2.5 V
OP100-5	MMCX	100:1 at 0 dB	±50 V	1000 V_peak	4.10 MΩ \|\| ≤2 pF
		10:1 at 20 dB	±5 V
OP1000-5	MCX	1000:1 at 0 dB	±500 V	2500 V_peak	20.94 MΩ \|\| ≤1 pF
		100:1 at 20 dB	±50 V
OP2000-5	MCX	2000:1 at 0 dB	±1000 V	2500 V_peak	20.52 MΩ \|\| ≤1 pF
		200:1 at 20 dB	±100 V
OP5000-5	MCX	5000:1 at 0 dB	±2500 V	2500 V_peak	40.82 MΩ \|\| ≤1 pF
		500:1 at 20 dB	±250 V
OP10000-5	LCX	10000:1 at 0 dB	±5000 V	8000 V_peak	40.82 MΩ \|\| ≤1 pF
		1000:1 at 20 dB	±500 V
OP20-1G	MMCX	20:1 at 0 dB	±10 V	1000 V_peak	4.47 MΩ \|\| ≤4 pF
		2:1 at 20 dB	±1 V
OP50-1G	MMCX	50:1 at 0 dB	±25 V	1000 V_peak	4.19 MΩ \|\| ≤2 pF
		5:1 at 20 dB	±2.5 V
OP100-1G	MMCX	100:1 at 0 dB	±50 V	1000 V_peak	4.10 MΩ \|\| ≤2 pF
		10:1 at 20 dB	±5 V
OP1000-1G	MCX	:1 at 0 dB	±500 V	2500 V_peak	20.94 MΩ \|\| ≤1 pF
		100:1 at 20 dB	±50 V
OP2000-1G	MCX	2000:1 at 0 dB	±1000 V	2500 V_peak	20.52 MΩ \|\| ≤1 pF
		200:1 at 20 dB	±100 V
OP5000-1G	MCX	5000:1 at 0 dB	±2500 V	2500 V_peak	40.82 MΩ \|\| ≤1 pF
		500:1 at 20 dB	±250 V
OP10000-1G	LCX	10000:1 at 0 dB	±5000 V	8000 V_peak	40.82 MΩ \|\| ≤1 pF
		1000:1 at 20 dB	±500 V
OP20000		20000:1 at 0 dB	±10000 V	15000 V_peak	120 MΩ \|\| ≤2 pF
		2000:1 at 20 dB	±1000 V
OP30000		30000:1 at 0 dB	±15000 V	20000 V_peak	180 MΩ \|\| ≤1 pF
		3000:1 at 20 dB	±1500 V
OP40000		40000:1 at 0 dB	±20000 V	30000 V_peak	240 MΩ \|\| ≤1 pF
		4000:1 at 20 dB	±2000 V

Information on product safety:

Manufacturer:
Shenzhen Micsig Technology Co., Ltd., 6F, Jinhuanyu Building, No. 56, Tiezai Rd, Bao'an District, Shenzhen, Guangdong/CHN
www.micsig.com

Responsible person:
Meilhaus Electronic GmbH, Am Sonnenlicht 2, 82239 Alling/DEU
info@meilhaus.com

Brochure_Micsig_SigOFIT_Gen_3_en.pdf

Datasheet_Micsig_SigOFIT_Gen_3_en.pdf