AEMC Instruments CMGRT-100 vs 6416 vs DET14C

Ground Testers/Ground Clamp Meters

Model	Megger DET14C	Greenlee CMGRT-100	AEMC Instruments 6416
Product	DET14C Clamp-on Earth Tester	TESTER, GROUND ROD (CMGRT-100)	Ground Resistance Tester Model 6416 (Clamp-on, Alarm, Memory) Catalog #: 2141.01
Rating	(2)	(0)	(6)
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Maximum Ground Resistance	1500 Ohms (1.5 K Ohms)	1200 Ohms (1.2 K Ohms)	1500 Ohms (1.5 K Ohms)
Minimum Ground Resistance	0.05 Ohms	0.1 Ohms	0.01 Ohms
Resolution	0.01 Ohms	0.01 Ohms	0.001 Ohms
Resistance Measurement Frequency		2403 Hz	2083 Hz
Current Measurement Frequency	60 Hz	47 Hz	800 Hz
Maximum Current Range	35 A	29.99 A	40 A
Display Hold	Yes	Yes	Yes
Resistance Accuracy	1.5%	0.02	+/-1.5% +/-.01
Jaw Capacity Conductor Size	39 MM (39.37 IN)	1.25 IN	35 MM (39.37 IN)
CAT Rating	IV	II	IV
CAT Voltage	600 V	300 V	600 V
Alarms	Yes	Yes	Yes
Test Equipment General Attributes
Unique Features	Large elliptical clamp, smooth contact surfaces on clamp head, data storage with time and date stamp.		ETL approved loop impedance detection OLED display voltage/resistance/ current measurement and alarm indication ground voltage detection test frequency selection inductance measurement
Warranty	12 MONTHS (1 YEARS)	1 YEARS	12 MONTHS (1 YEARS)
Safety Approval			CE
Storage	N/A		Compact Flash
IP Rating	IP30		IP40
Product Weight	2.17 LBS		2.06 LBS
Product Height	2 IN	3.70 IN	2.16 IN
Product Length	9.7 IN	14.90 IN	10.31 IN
Product Width	4.4 IN	10.80 IN	3.74 IN
Data Logging	Yes Data Logging 200 records data storage	Yes	No
HTS/Schedule B Number	9030390000		9030.31.0000
ECCN Number	EAR99		EAR99
Calibration Included	None		Factory Calibration
Battery Type	AA Battery Type 4 AA batteries		AA
Power Supply Voltage	Battery Powered		Battery Powered
Country of Origin	United Kingdom		France
Shipping Height		3.70 IN
UPC			68538130485
Shipping Length		14.90 IN
Shipping Width		10.80 IN