Protek Digital Multimeter Selection Guide

• Selection Guide

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Feature/Model	506	608	B4100	B845	B940	D901
Type (Bench-Top/Hand-Held)	HH	HH	BT	BT	BT	HH
No.Digits	3-3/4	4-4/5	5-1/2	4-1/2	4-1/2	3-1/2
No.Counts	4,000	50,000	100,000	20,000	4,000	2,000
Dual Display	.	.	.
Alalog Bar Graph	.	.	.		60
DC V Accuracy	±0.5%	±0.05%	±0.05%	±0.05%	±0.3%	±0.7%
Auto/Manual Ranging	.	.	.	Manual	.	Manual
True RMS	.	AC & (AC+DC)	.		.
Conductance		.
Capacitance	.	.			.
Inductance	.
Frequency	.	.	.		.
Temperature	.	.
Diode Test	.	.	.		.	.
Continuity Buzzer	.	.		.	.
Pulse Width		.
Duty Cycle		.
1 mS Peak Detect		.
Data Hold	.	.	.	.	.
Memory Sto/RCL	.	.	.		.
Min/Max/Avg	.	.	.		Min/Max
Relative Mode	.	.	.		.
Go/No-Go Testing		.	.
GPIB Interface			.
RS-232 Interface	.	.	.		.
Programmable			.
Auto Power Off	.	.
Max Amps	20A	10A	10A	10A	10A	10A
Back Lit	.	.	.		*
Holster	.	.
Approvals (*Pending)	CE	CE	CE*		CE	CE/UL

Feature/Model	D905	D930A	D935A	D980	D981
Type (Bench-Top/Hand-Held)	HH	HH	HH	HH	HH
No.Digits	3-1/2	3-1/2	3-1/2	3-3/4	3-3/4
No.Counts	3,200	2,000	2,000	3,200	4,000
Dual Display
Alalog Bar Graph				.	.
DC V Accuracy	±0.5%	±1.0%	±1.0%	±0.5%	±0.3%
Auto/Manual Ranging	Manual	Auto Only	Auto Only	.	.
True RMS
Conductance
Capacitance					.
Inductance
Frequency					.
Temperature					.
Diode Test	.	.	.	.	.
Continuity Buzzer	.	.		.	.
Pulse Width
Duty Cycle
1 mS Peak Detect
Data Hold	.	.	.	.	.
Memory Sto/RCL					.
Min/Max/Avg					Min/Max
Relative Mode					.
Go/No-Go Testing
GPIB Interface
RS-232 Interface
Programmable
Auto Power Off				.	.
Max Amps	12A	0.2A	N/A	10A	10A
Back Lit
Holster	.			.	.
Approvals (*Pending)		CE	CE	UL	CE

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