Martel LC-100 Current Loop Calibrator vs. Altek 334 vs. Druck UPSIII

The Current Loop Calibrator is superior to other leading manufacturers including Altek and Druck. View some of the features comparison below.

View Complete Product Comparison (.pdf)

	Martel LC-100	Altek 334	Druck/Unomat UPSIII
Input Range	0.000 to 24.000 -25.00% to 125.00%	0.00 to 52.0 mA -25.0 to 300.0% of 4-20mA	0 to 24mA
Read VDC	0 to 28.000 VDC	-99.99 to +99.99 VDC	0 to 60VDC
Accuracy	±0.015% of reading ±2µA	±0.05% of reading ±10mA	±0.01% of rdg ±2µA
Resolution	1µA	10µA	1µA
Loop Supply Voltage	24 VDC	27 VDC	24 VDC
Built-in Resistor for HART Communications	Yes	No	Yes
Typical Drive Capability	1200Ω w/o HART 950Ω w/ HART	1200Ω @ 20 mA Fresh Batteries 800Ω @ 20 mA Low Batteries	1200Ω w/o HART 965Ω w/ HART
Auto % Error Function	Yes	No	No
Selectable Decade Adjustment	Yes	No	No
Auto Step/Ramp	Yes	No	No
Preset Outputs	5	3	5
Operating Temperature	-10°C to 55°C	-20°C to 60°C	-10°C to 50°C
Power Supply	(1) 9V Battery	(3) 9V Batteries	(4) AA Batteries
Optional Rechargeable Battery	Yes	No	Yes

Martel Calibrators
3 Corporate Park Dr., Unit 1
Derry, NH 03038
Toll Free: (800) 821-0023
Phone: (603) 434-1433
Fax: (603) 434-1653
Email: sales@martelcorp.com

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