Brymen EEVblog BM235, BM231, BM233 User Manual

USER'S
MANUAL

BM235

Revision: 5th March 2016

INTRODUCTION

Congrats on purchasing the EEVblog BM235 mutlimeter. It's a beaut little meter, one of
the safest and well built meters in a small form factor. You've made a wise choice
buying this instead of some questionable quality cheapie. It should return the favor with
many years of safe and accurate service.

That UL logo you see stamped on the front of the meter ensures that the meter design
has been independently tested to the latest IEC/UL/EN61010-1 3.0 safety standard.
With the CAT IV rating (exceptional for this size of meter), you can feel confident and
safe that you can use this meter on any high energy mains rated equipment in almost
any scenario.

The highest quality and fully rated silicone test probes have also been provided with
the meter. They aren't just some cheapies thrown in to make it useful.

Enjoy.

And remember, don't turn it on, take it apart!

Regards
Dave Jones
That EEVblog Bloke
www.eevblog.com

SAFETY

This manual contains information and warnings that must be followed for operating the
meter safely and maintaining the meter in a safe operating condition. If the meter is
used in a manner not specified by the manufacturer, the protection provided by the
meter may be impaired.

Terms in this manual

WARNING identifies conditions and actions that could result in serious injury or even

death to the user.

CAUTION identifies conditions and actions that could cause damage or malfunction

in the instrument.

WARNING
To reduce the risk of fire or electric shock, do not expose this product to rain or
moisture. The meter is intended only for indoor use.

Keep your hands/fingers behind the hand/finger barriers (of the meter and the test
probe assembly, where applicable) that indicate the limits of safe access of the hand­held parts during measurements. Inspect lead wires, connectors, and probes for
damaged insulation or exposed metal before using the meter. If any defects are found,
replace them immediately. Only use the probe assembly provided with the meter or a
UL Listed Probe Assembly to the same meter ratings or better.

IEC 61010-031 requires exposed conductive test probe tips to be ≤ 4mm for CAT III &
CAT IV ratings. Refer to the category markings on your probe assemblies as well as on
the add-on accessories (like detachable Caps or Alligator Clips), if any, for applicable
rating changes.

Observe proper safety precautions when working with voltages above 33 Vrms, 46.7
Vpeak or 70 VDC. These voltage levels pose a potential shock hazard to the user.
Before and after hazardous voltage measurements, check the voltage function on a
known source such as line voltage to determine proper meter functioning.

CAUTION

Disconnect the test leads from the test points before changing functions.

International Electrical Symbols

Marking of Electrical and Electronic Equipment (EEE). Do not dispose of this

product as unsorted municipal waste. Contact a qualified recycler
Caution! Refer to the explanation in this Manual
Caution! Possibility of electric shock
Earth (Ground)
Meter protected throughout by Double Insulation or Reinforced insulation
Fuse
Direct Current (DC)
Alternating Current (AC)

3 Three-phase Alternating Current

Brief Information about Measurement Categories
Measurement Category IV is applicable to test and measuring circuits connected at

the source of the building’s low-voltage MAINS installation. Examples are
measurements on devices installed before the main fuse or circuit breaker in the
building installation.
Measurement Category III is applicable to test and measuring circuits connected to
the distribution part of the building’s low-voltage MAINS installation. Examples are
measurements on distribution boards (including secondary meters), circuit-breakers,
wiring, including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed
installation, and equipment for industrial use and some other equipment such as
stationary motors with permanent connection to the fixed installation.
Measurement Category II is applicable to test and measuring circuits connected
directly to utilization points (socket outlets and similar points) of the low-voltage MAINS
installation. Examples are measurements on MAINS CIRCUITS of household
appliances, portable tools and similar equipment.

2) CENELEC DIRECTIVES

The instruments conform to CENELEC Low-voltage directive 2006/95/EC,
Electromagnetic compatibility directive 2004/108/EC and RoHS directive 2011/65/EU.

1) 3-5/6 digits 6000
counts LCD display

2) Push-buttons for
special functions &
features

3) Selector to turn the
Power On or Off and
Select a function

4) Input Jack for 10A
(20A for 30sec) current
function

5) Input Jack for all
functions EXCEPT A,

mA & A current
functions

6) Common (Ground
reference) Input Jack for
all functions

7) Input Jack for A and
mA current function

True RMS

RMS (Root-Mean-Square) is a term used to describe the effective or equivalent
DC value of an AC signal. True RMS is the term which identifies a DMM that responds
accurately to the effective RMS value regardless of the waveforms such as: square,
sawtooth, triangle, pulse trains, spikes, as well as distorted waveforms with the
presence of harmonics. Harmonics may cause :

1) Overheated transformers, generators and motors to burn out faster than normal

2) Circuit breakers to trip prematurely

3) Fuses to blow

4) Neutrals to overheat due to the triplen harmonics present on the neutral

5) Bus bars and electrical panels to vibrate

Crest Factor

Crest Factor is the ratio of the Crest (instantaneous peak) value to the True RMS
value, and is commonly used to define the dynamic range of a True RMS DMM. A pure
sinusoidal waveform has a Crest Factor of 1.414. A badly distorted sinusoidal
waveform normally has a much higher Crest Factor.

OPERATION CAUTION

Before and after hazardous voltage measurements, test the voltage function on a
known source such as line voltage to determine proper meter functioning.

AutoV (LoZ) (Model 235 only)
AutoV automatically selects measurement function of DCV or ACV based, on their

input levels via the test leads. The input also provides a low ramp-up impedance (LoZ)
to drain ghost voltages*.

●With no input, the meter displays “- - - -” when it is ready.

●When a signal above the voltage threshold of 1V DC or AC up to the rated 1000V is
present, the meter displays the voltage value in appropriate DC or AC, whichever
larger in peak magnitude.

Note:
*Ghost-voltage Buster: Ghost-voltages are unwanted stray signals coupled from
adjacent hard signals, which confuse common multimeter voltage measurements. The
AutoV mode provides low (ramp-up) input impedance (approx. 2.1kΩ at low voltage)
to drain ghost voltages leaving mainly hard signal values on meter readings. It is an
invaluable feature for precise indication of hard signals, such as distinguishing
between hot and open wires (to ground) in electrical installation applications.

*Only HOLD, EF & Backlight push-button features are available in AutoV mode.

WARNING:
AutoV mode input impedance increases abruptly from initial 2.1kΩ to a few hundred

kΩ’s on high voltage hard signals. “LoZ” displays on the LCD to remind the users of
being in such low impedance mode. Peak initial load current, while probing 1000VAC
for example, can be up to 673mA (1000V x 1.414 / 2.1kΩ), decreasing abruptly to
approx. 2.4mA (1000V x 1.414 / 580kΩ) within a fraction of a second. Do not use
AutoV mode on circuits that could be damaged by such low input impedance. Instead,
use rotary selector or high input impedance voltage modes to minimize loading for
such circuits.

ACV, DCV & VFD-ACV

Press the SELECT button momentarily to select the subject functions in sequence.
Last selection will be saved as power up default for repeat measurement convenience.

Note:
VFD-ACV and the associated Hz are equipped with digital low-pass filter (DSP), and
are capable of handling VFD (Variable Frequency Drives) signals for fundamental V &
Hz readings. It also improves ACV and Hz reading stability when being used in most
noisy electrical environments.

Line Frequency (Models 233 & 235 only)

Press the Hz push-button momentarily to toggle Hz function. It is only available to
Voltage and Current related ranges.

Input sensitivity varies automatically with the function range selected while activating
the Hz function. 6V function range has the highest and the 1000V range has the
lowest. When activated under DCV, ACV or VFD-ACV voltage function, the trigger
voltage range will be displayed right before starting the Hz readings. Press
momentarily the RANGE button can manually select another trigger voltage range (not
available to current ranges). It is recommended to first measure the signal voltage (or
current) level and activate Hz function in that range to get the most appropriate trigger
level. If the Hz reading becomes unstable, select lower sensitivity to avoid electrical
noise. If the reading shows zero, select higher sensitivity.

Resistance & BeepLitTM Continuity

Press the SELECT button momentarily to toggle the functions.

Last selection will be saved as power up default for repeat measurement convenience.

BeepLitTM Continuity function is having improved convenience for checking wiring
connections and operation of switches. A continuous beep tone together with flashing
display backlight indicate a complete wire. Such audible and visible indications
improve continuity readabilities in noisy working environments.

CAUTION

Using resistance and continuity function in a live circuit will produce false results and
may damage the instrument. In many cases the suspected component must be
disconnected from the circuit to obtain an accurate reading

Capacitance (Models 235 & 233 only); Diode

Press the SELECT button momentarily to toggle the functions.

Last selection will be saved as power up default for repeat measurement convenience.

In Diode function, the normal forward voltage drop (forward biased) for a good silicon
diode is between 0.400V to 0.900V. A reading higher than that indicates a leaky diode
(defective). A zero reading indicates a shorted diode (defective). An OL indicates an
open diode (defective). Reverse the test leads connections (reverse biased) across the
diode. The digital display shows OL if the diode is good. Any other readings indicate
the diode is resistive or shorted (defective).

CAUTION

Discharge capacitors before making any measurement. Large value capacitors should
be discharged through an appropriate resistance load.

Dave's Note: You can use the AutoV LowZ mode to discharge capacitors! (Can
be slow on big caps) You'll even get a handy voltage reading to know when it's
safely discharged.

ACmV & DCmV; Temperature oC & oF (Model 235 only)

Press the SELECT button momentarily to select the subject functions in sequence.

Last selection will be saved as power up default for repeat measurement convenience.

Note: Be sure to insert the banana plug type-K temperature bead probe Bkp60 with
correct polarities. You can also use a plug adapter Bkb32 (Optional purchase)

with banana pins to type-K socket to adapt other standard type-K mini plug
temperature probes.



A, mA and A Current

Press SELECT button momentarily to toggle between DC and AC.

Last selection will be saved as power up default for repeat measurement convenience.

Application notes for flame sensors:
DCA function is useful for HVAC/R flame sensor applications. The 0.1A resolution

can identify the minute current changes in flame detector applications. Flame signal
current check should indicate steady flame signal of at least 2A for a rectification
type, or 1.5A for an ultraviolet type (8A for self checking systems). If a flame signal

current with inadequate strength or fluctuation beyond 10%, check the following to
avoid the risk of unwanted flame relay dropout :

For gas or oil flames (Minipeeper):

 Low supply voltage
 Detector location
 Defective detector wiring
 Dirty viewing windows
 Faulty Minipeeper

For oil flames (Photocell):

 Detector location & wiring
 Smoky flame or poorly adjusted air shutter

 Faulty Photocell
 Temperature over 165 oF (74 oC) at photocell

For gas flames (Flame Rod):
 Ignition interference (A flame signal current difference with the ignition both on and

off greater than 0.5A indicates the presence of ignition interference)

 Insufficient ground (must be at least 4 times the detector area)
 Flame lifting off burner head (ground), or not continuously in contact with the flame

rod

 Temperature in excess of 600 oF (316 oC) at the flame electrode insulator causing

short to ground.

Electric Field EF-Detection

Press the EF button momentarily to toggle EF-Detection feature. The meter displays
“EF-H” when it is ready. If it is too sensitive for your applications, press (Level) button
momentarily toggles to lower sensitivity “EF-L”. The detected Electric Field strength is
indicated as a series of bar-graph segments on the display plus variable beep tones.

●Non-Contact EF-Detection: An antenna is located along the top-left end of the
meter, which detects electric field surrounding energized live conductors. It is ideal for
tracing live wiring connections, locating wiring breakages and to distinguish between
live and earth connections.

●Probe-Contact EF-Detection: For more precise indication of live wires, such as
distinguishing between Live and Ground connections, use direct contact testing with
one single test-probe via the input terminal COM or V. The COM terminal (Black) has
the best sensitivity.

MAX/MIN/AVG Record mode

Press REC button momentarily to activate MAX/MIN/AVG recording mode. The LCD
“MAX MIN AVG” turn on. The meter beeps when new MAX (maximum) or MIN
(minimum) reading is updated. Press the button momentarily to read the MAX, MIN,
AVG readings in sequence. Press the button for 1 second or more to exit
MAX/MIN/AVG recording mode. Auto-ranging remains, and Auto-Power-Off is disabled
automatically in this mode.

Backlighted LCD display

Press the SELECT button for 1 second or more to toggle the LCD backlight. The

backlight will also be turned off automatically after 10 minutes to extend battery life.

Hold

The hold feature freezes the display for later view. Press the HOLD button

momentarily to toggle the hold feature.

Relative Zero ( ) mode

Relative Zero allows the user to offset the meter consecutive measurements with
the displaying reading as the reference value. Practically all displaying readings can be
set as relative reference value including MAX/MIN/AVG feature readings. Press the
button for one second or more to toggle Relative Zero mode.

Manual or Auto-ranging

For most auto-ranging functions (LCD turns on by default), press the
RANGE button momentarily to select manual-ranging override. The meter will remain
in the range it was in, the LCD turns off. Press the button momentarily again to
select the next range. Press and hold the button for 1 second or more to resume auto­ranging.
Note: Manual-ranging feature is not available to Auto-V, Capacitance & Hz functions.

Beep-Jack™ Input Warning

The meter beeps as well as displays “InEr” (insertion error) to warn the user against
possible damage to the meter due to improper connections to the A, mA, or A input

jacks when another function, especially a voltage function, is selected.

Intelligent Auto-Power-Off (APO)
The Auto-Power-off (APO) mode turns the meter off automatically to extend battery life
after approximately 32 minutes of no specified activities, where applicable:

1) Rotary switch or push button operations

2) Significant measuring readings of above 8.5% of ranges

3) Non-OL readings for Resistance, Continuity or Diode function

4) Non-zero readings for Hz function

5) Electric field signal present for EF function

6) Significant movement indication as in Phase Rotation functions
In other words, the meter will intelligently avoid entering the APO mode when it is
under normal measurements. To wake up the meter from APO, press the SELECT
button momentarily and release, or turn the rotary switch OFF and then back on.
Always turn the rotary switch to the OFF position when the meter is not in use

APO is switched OFF in REC MIN/MAX mode

5) MAINTENANCE

WARNING

To avoid electrical shock, disconnect the meter from any circuit, remove the test leads
from the input jacks and turn OFF the meter before opening the case. Do not operate
with open case. Install only the same type of fuse(s) or equivalent

Cleaning and Storage

Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives
or solvents. If the meter is not to be used for periods of longer than 60 days, remove
the battery and store it separately

Trouble Shooting

If the instrument looks to be buggered, check battery, fuses, leads, etc., and replace as
necessary. Double check operating procedure as described in this user’s manual

Battery:

1.5V AAA Size battery x 2
240 hours continuous use on
Alkaline cells

Fuse F1 for AmA current input:

0.4A/1000V DC/AC, IR
30kA FAST fuse or better;
Dimension: 6 x 32 mm

SIBA 70-172-40 FF400mA

Fuse F2 for A current input:
11A/1000V DC/AC, IR 20kA F
fuse or better; Dimension: 10 x
38mm

Bussman DMM-B-11A
Littlefuse FLU011

Battery and Fuse replacement:

Loosen the screw from the
access cover of the case bottom. Lift the access cover. Replace the batteries or
fuse(s). Re-fasten the screw.

Both fuses can be tested by inserting a probe into the A or mA/uA jack. If the IrEr
warning message and beep is not displayed, then the fuse on that input is blown.

Dave's Note: Proper ceramic HRC (High Rupture Capacity) fuses are expensive,
but they are designed to fail safe and not explode. That makes you safer.
Don't be a tight arse and put cheap glass fuses in there instead! If you wanted
cheap you should have bought a cheap arse meter instead of this one.
Beware the fakes on ebay!

The 400mA will still be able to handle a 600mA (full scale) input for some time,
so no worries measuring full scale mA current. Fuses don't magically blow at
their rated current, it's a more complicated process than that!

GENERAL SPECIFICATION
Display: 3-5/6 digits 6,000 counts
Update Rate: 5 per second nominal
Operating Temperature: -10oC to 45oC
Relative Humidity: Maximum relative humidity 80% for temperature up to 31oC

decreasing linearly to 50% relative humidity at 45oC

Altitude: Operating below 2000m
Storage Temperature: -20oC ~ 60oC, < 80% R.H. (with battery removed)
Temperature Coefficient: Nominal 0.15 x (specified accuracy)/ oC @ (-10oC ~ 18oC

or 28oC ~ 45oC), or otherwise specified

Sensing: True RMS sensing
Ingress Protection: IP40
Pollution Degree: 2
Safety: Certified per IEC/UL/EN61010-1 Ed. 3.0, IEC/UL/EN61010-2-030 Ed. 1.0,

IEC/UL/EN61010-2-033 Ed. 1.0, IEC/UL/EN61010-031 Ed. 1.1 and the corresponding
CAN/CSA-C22.2 regulations to Measurement Categories:

CAT II 1000V, CAT III 600V and CAT IV 300V AC & DC

Transient Protection: 6.0kV (1.2/50s surge)
E.M.C. : Meets EN61326-1:2013

In an RF field of 3V/m:

Temperature function is not specified
Ohm function:

Total Accuracy = Specified Accuracy + 15 digits

Other functions:

Total Accuracy = Specified Accuracy

Performance above 3V/m is not specified

Overload Protection:

A & mA: 0.4A/1000V DC/AC rms, IR 30kA, F fuse or better
A: 11A/1000V DC/AC rms, IR 20kA, F fuse or better
V & AutoV: 1100V DC/AC rms

mV, Ohm & others: 1000V DC/AC rms
Low Battery: Below approx. 2.5V
Power Supply: 1.5V AAA Size battery X 2
Power Consumption (typical): 3.2mA

APO Consumption (typical): 10A
APO Timing: Idle for 30 minutes
Battery Life: 240 hours nominal continuous use on Alkaline cells (Dave measured)
Dimension: 161*80*50mm L*W*H (With Holster)

Weight: Approx. 334 gm (With Holster)
Special Features: AutoV (LoZ) (Model 235 only); VFD; BeepLitTM Continuity; Auto-

ranging MAX/MIN/AVG Record; Backlighted LCD; Auto-ranging Relative Zero mode;
Display Hold; EF-Detection (NCV); BeepJack™ on AmA/A terminals

Accessories: Test lead pair; Batteries installed; User’s manual; BKP60 banana plug type-K
thermocouple (Model 235 only)
Optional Purchase Accessories: BKB32 banana plug to type-K socket plug adaptor
(Model 235 only); BMH-01 magnetic hanger; BMP-25x soft carrying pouch

Electrical Specification

Accuracy is given as (% of reading digits + number of digits) or otherwise specified @
23oC  5oC

ACV & ACA accuracies are specified from 1 % to 100 % of range or otherwise
specified. Maximum Crest Factor <2:1 at full scale & <4:1 at half scale, and with
frequency components fall within the meter specified frequency bandwidth for non­sinusoidal waveforms

AC Voltage

RANGE Accuracy

50Hz ~ 60Hz

6.000V

1)

, 60.00V, 600.0V, 1000V 0.7% + 3d

45Hz ~ 440Hz

6.000V

1)

, 60.00V, 600.0V, 1000V 2.0% + 3d

Input Impedance: 10M, 54pF nominal

1)

<5d non-zero residue may appear when backlight is on, which will not affect the

specified measuring range and accuracy

ACmV

RANGE Accuracy

10Hz ~ 500Hz

60.00mV

1) 2)

, 600.0mV

3)

1.0% + 3d

500Hz ~ 800Hz

60.00mV

1) 2)

, 600.0mV

3)

2.0% + 3d

Input Impedance: 10M, 54pF nominal

1)

<5d non-zero residue may appear when backlight is on, which will not affect the

specified measuring range and accuracy

2)

Signal peak absolute values, including DC bias, less than 130mV

peak

3)

Signal peak absolute values, including DC bias, less than 1300mV

peak

VFD_ACV (with Low Pass Filter )

RANGE Accuracy

1)

10Hz ~ 100Hz (fundamental)

600.0V, 1000V 1.0% + 3d

100Hz ~ 400Hz (fundamental)

600.0V, 1000V 10% + 3d

2)

1)

Not specified for fundamental frequency > 400Hz

2)

Accuracy linearly decreases from 1% + 3d @100Hz to 10% + 3d @400Hz

AutoV_ACV (Model 235 only)

RANGE Accuracy

1)

45Hz ~ 440Hz

600.0V, 1000V 2.0% + 3d

1)

Not specified at <1VAC

Threshold: > 1VAC nominal

Input Impedance:

Initially approx. 2.1k, 164pF nominal; Impedance increases abruptly within a
fraction of a second as display voltage is above 50V (typical). Ended up impedances
vs display voltages typically are:

12k @100V
100k @300V
240k @600V
580k @1000V

DC Voltage

RANGE Accuracy

60.00mV, 600.0mV, 6.000V 0.3% + 2d

60.00V 0.4% + 2d

600.0V 0.2% + 2d
1000V 0.4% + 2d

Input Impedance: 10M, 54pF nominal

21

AutoV_DCV (Model 235 only)

RANGE Accuracy

1)

600.0V, 1000V 2.0% + 3d

1)

Not specified at <1VDC

Threshold: > +1.0VDC or < -1.0VDC nominal

Input Impedance:

Initially approx. 2.1k, 164pF nominal; Impedance increases abruptly within a
fraction of a second as display voltage is above 50V (typical). Ended up impedances
vs display voltages typically are:

12k @100V
100k @300V
240k @600V
580k @1000V

Ohm

RANGE

1)

Accuracy

600.0, 6.000k

0.3% + 3d

60.00k, 600.0k

0.5% + 3d

6.000M

2)

, 60.00M

3)

0.9% + 2d

4)

1)

Open Circuit Voltage: 1.6VDC typical

2)

Constant Test Current: 0.2A Typical

3)

Constant Test Current: 0.02A Typical

4)

5%+20d @ >30M

BeepLit™ Continuity Tester

Continuity Threshold: Between 30 and 480

Continuity ON Response Time: <15ms
Audible Indication: Beep sound
Visible Indication: LCD Backlight

Capacitance (Models 233 & 235 only)

RANGE Accuracy

20.00nF, 200.0nF 1.5% + 8d
2000nF, 20.00F, 200.0F, 2000F

1.5% + 2d

10.00mF 4.5% + 10d
Accuracies with film capacitor or better

22

Diode Tester

RANGE Accuracy

3.000V 0.9% + 2d

Test Current: 0.3mA typical
Open Circuit Voltage: < 3.2VDC typical

Dave's Note: You can dimly light up most LED's with the Diode range

DC Current

RANGE Accuracy Burden Voltage

600.0A

6000A

1.0% + 3d

0.1mV/A (100 ohms)

60.00mA

600.0mA

0.7% + 3d

1.9mV/mA (1.9 ohms)

6.000A

10.00A

1)

0.04V/A (40mOhms)

1)

10A continuous, >10A to 20A for 30 seconds max with 5 minutes cool down interval

Dave's Note: It's important to understand Burden Voltage. This is the voltage
drop across the internal current shunt resistor (see values above). When
measuring current this resistor will be in series with your circuit under test and
hence will drop voltage to your circuit based on the current drawn.
For example: On the 600mA range, if your circuit takes 500mA then the voltage
to your circuit drops by 1.9mA * 500 = 0.95V!
So if you have a 3.3V supply, your circuit is only getting 3.3V – 0.95V = 2.35V and
can fail to work properly or at all!
Obviously that's pretty much worst case, at low displayed currents the burden
voltage is pretty negligible, but gets worse the closer to full scale you get.
In this case you can switch to the 6A range and the burden voltage becomes a
negligible 20mV. But you loose a digit of resolution doing this.
All multimeters are the same and have this limitation. Beware
Dave has designed the µCurrent project to overcome this problem. Google it.

23

AC Current

RANGE Accuracy Burden Voltage

50HZ ~ 400HZ

600.0A, 6000A

1.5% + 3d

0.1mV/A

60.00mA, 600.0mA

1.0% + 3d

1.9mV/mA

6.000A

1)

, 10.00A

2)

0.04V/A

1)

<5d non-zero residue may appear when backlight is on, which will not affect the

specified measuring range and accuracy

2)

10A continuous, >10A to 20A for 30 seconds max with 5 minutes cool down interval

Temperature (Model 235 only)

RANGE Accuracy

1) 2)

-40.0 oC ~ 99.9oC
1% + 1 oC

100 oC ~ 400oC

-40.0 oF ~ 99.9 oF
1% + 2 oF

100 oF ~ 752 oF

1)

Accuracies assume meter interior and the ambient have reached the same
temperature (isothermal stage) for a correct junction voltage compensation. Allow
enough settling time for a significant change of ambient temperature. It can take up to
an hour for changes > 5°C.

2)

Type-K thermocouple range & accuracy not included

24

Line Frequency (Models 233 & 235 only)

Function Sensitivity (Sine RMS) Range

60mV, 600mV 50mV 10Hz - 50kHz
6V 5V 10Hz - 50kHz
60V 10V 10Hz - 50kHz
600V 50V 10Hz - 1kHz
1000V 500V 10Hz - 1kHz
VFD 600V 50V 10Hz - 1kHz
VFD 1000V 500V 10Hz - 1kHz

600A, 6000A 500A

10Hz - 5kHz
60mA, 600mA 50mA 10Hz - 5kHz
6A, 10A 8A 50Hz - 1kHz

Accuracy: 0.03% + 2d

Non-Contact EF-Detection

Bar-Graph

Indication

EF-H (Hi Sensitivity) EF-L (Lo Sensitivity)

Typical Voltage (Tolerance)

- 10V (3V ~ 19V) 40V (16V ~ 71V)

- - 20V (10V ~ 38V) 80V (32V ~ 142V)

- - - 40V (21V ~ 79V) 160V (63V ~ 285V)

- - - - 80V (40V ~ 156V) 300V (105V ~ 608V)

- - - - - 160V (>80V) 500V (>300V)

Indication: Bar-graph segments & audible beep tones proportional to the field strength
Detection Frequency: 50/60Hz
Detection Antenna: Top-left end of the meter
Probe-Contact EF-Detection: For more precise indication of live wires, such as
distinguishing between live and ground connections, use direct contact testing with one
single test-probe via the input terminal COM or V. The COM terminal (Black) has the
best sensitivity.

25

Teardown Photos

LIMITED WARRANTY

Dave's Note: A Warranty VOID if NOT Removed policy applies to the screws on

this product.

You are encouraged to open it up and have a look at the quality of the design &

construction

BRYMEN warrants to the original product purchaser that each product it manufactures will
be free from defects in material and workmanship under normal use and service within a
period of one year from the date of purchase. BRYMEN's warranty does not apply to
accessories, fuses, fusible resistors, spark gaps, batteries or any product which, in
BRYMEN's opinion, has been misused, altered, neglected, or damaged by accident or
abnormal conditions of operation or handling.

To obtain warranty service, contact your nearest BRYMEN authorized agent or send the
product, with proof of purchase and description of the difficulty, postage and insurance
prepaid, to BRYMEN TECHNOLOGY CORPORATION. BRYMEN assumes no risk for
damage in transit. BRYMEN will, at its option, repair or replace the defective product free of
charge. However, if BRYMEN determines that the failure was caused by misused, altered,
neglected, or damaged by accident or abnormal conditions of operation or handling, you will
be billed for the repair.

THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR
USE. BRYMEN WILL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES.

BRYMEN TECHNOLOGY CORPORATION

TEL:[phone]
FAX:[phone]

http://www.brymen.com

PRINTED ON RECYCLABLE PAPER, PLEASE RECYCLE

COPYRIGHT © MMXV BTC, ALL RIGHTS RESERVED

P/N: 7M1C-1501-0000 PRINTED IN TAIWAN