LEM HEME2000 Current Clamp Multimeter and Insulation Tester LEM HEME 2000 HEME-2000 HEME2000

LEM HEME2000 Current Clamp
Multimeter and Insulation Tester

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LEM HEME2000 Current Clamp
Multimeter and Insulation Tester

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LEM HEME ISO 2000

Datasheet

Features:

Easy to use handheld design measuring V, A, Ω, MΩ
Large dual display with bright EL backlight, 17mm character size and bargraph
General protection against external voltages without fuse damage
Insulation measurements up to 20 GΩ with 100, 250, 500, 1000V DC test voltages and display of insulation test current
Current measurement with 20 / 200 / 1000 A ranges for AC, DC and true RMS readings with dual display for frequency up to 1000Hz
Voltage measurement with 2V / 20V / 200V / 600V ranges for AC, DC and true RMS readings with frequency measurement up to 1000Hz
Resistance measurements ranges from 20Ω to 200kΩ with automatic 200mA test for low resistance and test lead compensation
Continuity check with adjustable threshold and fastresponding buzzer
LIMIT (alarm) to quickly and reliably identify fault conditions
REC function for determining MIN, MAX, AVG values of resistance, current and voltage
Intelligent auto power off to extend battery life
Simple storage of up to 350 insulation test results to internal memory with on screen viewing or PC download
Intelligent SMART HOLD for hands free operation
On screen calculation of the time dependant Polarisation
Index and the Dielectric Absorption Ratio according to the national standard for determining insulation quality
Extended current measurement up to 2000A
Internal datalogging of current and voltage (up to 1000 readings) for trend and intermittent fault analysis
External datalogging of insulation resistance to a PC with optional WINLOG software + interface

Application:

Inspection of new electrical installations
Maintenance of electrical equipment and installations
Troubleshooting and repair of electrical equipment
Documentation of multiple safety tests
Detection of trends and intermittent faults

Description

The HEME ISO series – is unique in providing 3 instruments in 1, a compact hand-held insulation tester, a TRMS current clamp and a TRMS multimeter.

This unique combination satisfies universal applications in: Insulation measurement up to 20GΩ with test voltages of 100V, 250V, 500V and 1000V. Low-resistance measurement according to IEC 61557 with a short-circuit current of >200mA, for applications with non-fused earth conductor connections and equipotential bus bars.

Fast continuity testing with selectable buzzer threshold between 0,2 Ω and 50 Ω and a maximum response time of 100ms meeting all test standards.

TRMS current and voltage measurement with display of AC, DC and AC+DC values to ensure safe and accurate measurement of distorted and complex waveforms common place in today’s electrical systems.

With various additional functions including ZERO (test lead null / relative), REC (Min, Max, Avg), LIMIT (Alarm) and SMART HOLD (hands free), the HEME ISO series sets new standards in all in one measurement technology providing convenience ease of use.

Models, Options, & Accessories

Model	Description	List Price	Sale Price
HEME ISO 2000	AC/DC CURRENT CLAMP DMM + INSUL TESTER - Discontinued - suggested replacement: Fluke 345
HEME ISO 1000	AC/DC CURRENT CLAMP DMM + INSUL TESTER - Discontinued - suggested replacement: Fluke 345
Model	Accessories	List Price	Sale Price
60.98.69.010.0	Please call or email us for pricing and availability.
WINLOG S/W	60.98.69.010.0, PC SW + CBL LH1050/60, AN2050/60 - Discontinued - no replacement

Specifications

General
Display	1999 digit dual LC-display with special symbols, digit height 17 mm, 30 segment analogue bar with over- and underflow and special display sign, EL backlight
Temperature ranges	Working temp.: -10° C ...+50° C (+14° F ...+122° F ) Operating temp.: 0° C ...+35° C (+32° F ...+95° F ) Storage temp.: -20° C ...+60° C ( -4° F ...+140° F ) Reference temp.: +23° C ± 2° C (+73° F ± 4° F )
Temperature coefficient of A	± 0.1% of rdg / K
Temperature coefficient of V, Ω, MΩ	0.1 x operating error/K
Climatic class	B2 (IEC 654-1), -5° C..+45°C, 5%...85% RH, no dew
Operating altitude	max. 2000m
Protection type	IP40 according to EN 60529
Safety	Protection by double insulation 600V CATIII pollution degree 2
Test voltage	5550 V AC, measuring circuit to enclosure
EMC (Emission)	IEC 61326-1/ EN 55011 class B
EMC (Immunity)	EN 61000-4-2:8kV-class B,
EN 61000-4-3	3V/m-class A
Intrinsic error	Refers to the reference temperature range and is guaranteed for 2 years.
Operating error	Refers to the operating temperature range and is guaranteed for 2 years.
Quality system	developed, designed and manufactured according to DIN ISO 9001
External voltage	measurement inhibited for external voltage Ux >10% of UN for MΩ and >3V for R
Max. overload	800 Veff RMS or RMS x frequency < 5x104VHz 10kAeff RMS or RMS x frequency < 4 x105AHz
Auxiliary power	4 x 1,5 V mignon cells alkali-manganese (IEC LR6)
Battery life span	typical (no backlight) > 2000 measurements in MΩ. Battery life typically 100 hours continuous operation for resistance and voltage measurements, 60 hours in current
Fuse	1,25A quick acting 600V 10kA / 32x6.3mm
Jaw opening	60mm
Conductor	diameter max. 58mm
Dimensions	300 x 98 x 52 mm (12 x 3.75 x 2 inches)
Weight	0.8 kg / 1.8 lbs (including batteries)
Warranty	2 years
Calibration interval	2 years recommended
MΩ - RISO Insulation Resistance
Method	Voltage/current measurement as per EN 61557–2
Nominal test voltage	UN = 100V, 250V, 500V, 1000V DC
Open circuit voltage	U0 < 1.1 x UN
Nominal current	IN ≥ 1mA DC at UN IN &ge 2.5mA DC at 100kΩ at 250V
Short circuit current	<10mA DC
R – Low Resistance Measurement
Method	Voltage/current measurement as per EN 61557–4
Open circuit voltage	U0 ≥ 4V
Short circuit current	Ik ≥ 200mA DC up to 2Ω as per EN61557
Continuity check	Buzzer activated for external resistance within 100ms Buzzer level adjustable with LIMIT function from 0,2...50Ω. Test lead compensation (ZERO) from 0.01...5Ω.
V – TRMS Voltage Measurement
DC	Input resistance:1MΩ / 100pF
SMR	Serial mode rejection approx. 60dB at 50 and 60Hz for DC (influence of AC signals to DCV-display)
CMR	Common mode rejection approx. 80dB at 50 and 60Hz
Auto range setting time	1.5s
Max. voltage frequency product	5x104 VHz Over-range up to 1000V with flashing symbol.
AC	Specifications valid for AC RMS >5% of range
Measuring range Resolution Intrinsic error VAC	15Hz – 1kHz 2V 1mV ±(3% of rdg+20D) 20V 10mV ±(2% of rdg+5D) 200V 100mV ±(2% of rdg+3D) 600V 1V ±(2% of rdg+2D)
Displayed values for voltage measurements	AC, DC and AC+DC+F. Crest factor 3 for values at the end of the ranges
Vpeak	1200VP
Over-range	up to 800V with flashing symbol. Continuous logging and output through RS232 interface possible.

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