ES-9426 Rev.5

43AL1-B

Digital Panel Meters 43 Series

LOOP POWERED DIGITAL METER

(explosion-proof; outdoor enclosure; process meter)
Functions & Features
• Loop powered -1999 to 9999 compact digital meter
• No external power source needed
• Optional stainless steel enclosure

MODEL:43AL1–B–[1][2][3][4][5]

ORDERING INFORMATION

• Code number: 43AL1–B-[1][2][3][4][5]
Specify a code from below for each of [1] through [5].
  (e.g. 43AL1-B-0001/S/Q)
• Specify the specification for option code /Q
  (e.g. /SET)

[1] SAFETY APPROVAL

0: None
3: FM explosion-proof
8: TIIS flameproof (CE not available)
Confirm selectable combinations of approval and wiring conduit types in the table.

[2] TERMINAL BLOCK

0: None (Connection to the rear of digital  meter module)
(TIIS approval not selectable)
T: Incorporated

[3] WIRING CONDUIT

0: G 1/2
1: 1/2 NPT
2: M20 × 1.5
3: PG 13.5
Confirm selectable combinations of approval and wiring conduit types in the table.

[4] MOUNTING BRACKET

0: Without
1: With

[5] OPTIONS (multiple selections)

Enclosure Materials
Blank: Diecast aluminium enclosure
/S: Stainless steel enclosure
(TIIS flameproof approval not selectable)
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q

EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-9426)

RELATED PRODUCTS

• Cable gland (model: BX-E-EXP)
• Stopping plug (model: BX-E-SBP)

PACKAGE INCLUDES...

• Cable gland: Two provided for TIIS flameproof type
  Model No.: BX-E-EXP
  Cable entries: Elastomeric sealing rings
  Wiring conduit size: G 1/2
  Material: Chrome-plated brass (entry)
  CR (sealing ring)
  Applicable wire size: 8 - 12 dia.
• Stopping plug: One provided for TIIS flameproof type
  Model No.: BX-E-SBP
  Wiring conduit size: G 1/2
  Material: Diecast aluminium (plug)
  NBR (O-ring)
• Mounting screws
    Bolt (M8 x 15): 4 pcs.
    Spring washer for M8: 4 pcs.
    Material: Stainless steel 304
• Mounting bracket assembly (option)
    Mounting bracket: 1 pcs.
    M10 U-bolt: 2 pcs.
    Nut for M10: 4 pcs.
    Spring washer for M10: 4 pcs.
  Material:  Stainless steel 304
  Applicable pipe: 1 1/2” min.; 2” max.
• Engineering unit label (1)

GENERAL SPECIFICATIONS

Degree of protection: NEMA 4X, IP66/IP67
Wiring conduit: See ‘Ordering information.’
Connection:
• Without terminal block : Screwless spring terminal in Digital meter
Applicable wire size: 1.0 to 1.3 mm2, stripped length 8 mm
• With Terminal block : Euro terminal
Applicable wire size: 0.2 to 4 mm2, stripped length 8 mm
Materials
  Meter housing: Flame-resistant resin (gray)
  Enclosure: Diecast aluminium standard; stainless steel casting optional (equivalent to type 316); silver color, epoxy resin coated
Isolation: Input to FE (Functional Earth) to outdoor enclosure
A/D conversion: Σ – Δ
Sampling rate: 10 times/sec. (100 msec.)
Averaging: None or moving average
Setting: (Front button)
• Scaled range
• Moving average

DISPLAY

Display: 4 digits of 10.2 mm (.4”) height, 7-segment, red LED
Display range: -1999 to 9999
Scaling range for measurement range: -1999 to 9999 counts
Decimal point position: 10-1, 10-2, 10-3 or none
Zero indication: Higher-digit zeros are suppressed.
Over-range indication: '-1999' or '9999' blinking for display values out of the display range.  'S.ERR' blinks surpassing the permissible range.
Engineering unit indication: Sticker label attached
DC, AC, mV, V, kV, μA, mA, A, kA, mW, W,
kW, var, kvar, Mvar, VA, Hz, Ω, kΩ, MΩ,
cm, mm, m, m/sec, mm/min, cm/min, m/min,
m/h, m/s2, inch, ℓ, ℓ/s, ℓ/min, ℓ/h, m3, m3/sec,
m3/min, m3/h, Nm3/h, N·m, N/m2, g, kg, kg/h,
N, kN, Pa, kPa, MPa, t, t/h, ℃, °F, %RH, J,
kJ, MJ, rpm, sec, min, pH, %, ppm, etc.

INPUT SPECIFICATIONS

■ DC Current
Current range: 3.75 to 22 mA DC
Voltage drop: Approx. 3.5 V with 4 mA; approx. 3.7 V with 20 mA (Equivalent input impedance: Approx. 185 Ω)
(Use of the unit causes voltage drop. For 2-wire transmitter, be sure that the voltage by which 2-wire transmitter can operate is ensured including the voltage drop by other devices and wiring resistance.)

INSTALLATION

Operating temperature
  No safety approval: -40 to +70°C (-40 to +158°F)
  FM approval: 
  -40 to +70°C (T5)
  -40 to +60°C (T6)
  TIIS approval: -20 to +60°C (T6)
Weight: 
• Unit
  Approx. 1.5 kg (3.3 lb), aluminium
  Approx. 4.0 kg (8.8 lb), stainless steel
  Approx. 2.0 kg (4.4 lb), TIIS flameproof
• Mounting bracket assembly (option)
  Approx. 0.78 kg (1.72 lb)

PERFORMANCE

Accuracy:  ±0.1 % rdg ±1 digit× scaling-multiple
(When the scaling-multiple is less than 1, rounded up to 1.)
Temp. coefficient: ±0.3 digits× scaling-multiple/℃
(When the scaling-multiple is less than 1, rounded up to 1.)
Scaling-multiple = | (Display Scaling Value B - Display Scaling Value A) ÷ (default Display Scaling Value B - default Display Scaling Value A) |
Dielectric strength: 1500 V AC @ 1 minute (input to
enclosure; when FE (Functional Earth) is not connected to
the enclosure.)
500 V DC @ 1 minute
(input to FE (Functional Earth))

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
Safety approval:
FM: Explosion-proof and Dust-ignition proof
  Class I, Division 1, Groups B, C and D
  Class II, Division 1, Groups E, F and G
  Class III, Division 1
  T5 and T6
  (Class 3615)
TIIS: Flameproof
  Ex d IIC T6

EXTERNAL DIMENSIONS unit: mm [inch]

CONNECTION DIAGRAM